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YT Introduces New Capra and Jeffsy Uncaged Models with RockShox Flight Attendant Technology 1

YT pushes its Uncaged concept higher with RockShox's new, electronically controlled suspension components.

YT Introduces New Capra and Jeffsy Uncaged Models with RockShox Flight Attendant Technology

October 5, 2021 – Forchheim, Germany: YT Industries has teamed up with RockShox to create spectacular versions of the CAPRA and JEFFSY. The Uncaged 6 models are mountain bikes that do the thinking for you thanks to the groundbreaking new RockShox suspension technology.

YT Industries have released their latest Uncaged models named CAPRA 29 Uncaged 6 (200 pcs. worldwide) and JEFFSY 29 Uncaged 6 (300 pcs. worldwide). Both the Enduro and All-Mountain platform feature the game-changing RockShox suspension technology Flight Attendant, based on the AXS platform. It allows mountain bikers to customize their suspension so that the technology does the on-trail analysis and adjustments automatically without them lifting a finger.

YT Capra Uncaged 6
YT Jeffsy Uncaged 6

CAPRA Uncaged 6 – Switched on enduro beast

YT’s CAPRA just took this year's evolution to the next level thanks to the latest suspension technology from RockShox. The new generation of the legendary Enduro bike has refined geometry and kinematics that are unique to the MX and 29er versions. Purposely built seatstays, shock yokes, and specific end-progression cater to each playground individually.


The CAPRA 29 Uncaged 6 is a pure 29er with extraordinary capabilities: a super-fast, hard-hitting machine to conquer the most technical Enduro trails and racetracks to be found. The high-end Ultra Modulus Carbon Frame offers maximum strength and stiffness at minimum weight. The ultimate level of performance this bike has to offer is highlighted by the best and latest electronic SRAM RockShox technology. Spec’d with the RockShox ZEB Ultimate Flight Attendant with its 170mm of travel and the RockShox Super Deluxe Ultimate Flight Attendant delivering 165 mm of travel riders can concentrate on what matters most: the ride itself. SRAM Reverb AXS and SRAM X01 Eagle AXS drivetrain complete the AXS ecosystem. SRAM Code RSC brakes allow for perfect modulation and powerful braking. The Crankbrothers Synthesis Enduro Carbon I9 Hydra wheelset and its front and rear-specific wheel tune adding compliance in the front and increased stiffness in the rear enhance the MAXXIS Assegai and MAXXIS Minion DHR II tires performance. This Uncaged model of the CAPRA is as powerful and uncompromising as it gets.


JEFFSY Uncaged 6 – The most thoughtful best friend

YT’s All-Mountain JEFFSY is the rider’s ultimate friend and paired with the latest technology from RockShox this bunch of mates will keep you entertained all day long. Or as a famous Hollywood actor once described in the launch campaign video Friendship Redefined: “They’ll know what you’re thinking before you’ve thought it, anticipating your every move. (…) And together, you’ll uncage a thrill that makes you surge with life.”


The JEFFSY 29 Uncaged 6 features an Ultra Modulus Carbon Frame and comes with the brand-new RockShox Lyrik Ultimate Flight Attendant. Its 150mm of travel will iron out the toughest trails, while the latest shock development RockShox Super Deluxe Ultimate Flight Attendant supports the smooth ride with 150 mm worth of travel of its own. This unique JEFFSY model also sports a full AXS package thanks to the SRAM Reverb AXS and SRAM XX1 Eagle AXS drivetrain. Since JEFFSY is also capable enough to take you on hard-hitting enduro adventures, the JEFFSY Uncaged 6 is also spec’d with the specifically tuned Crankbrothers Synthesis Enduro Carbon I9 Hydra wheelset. This wheelset enhances stability and improves handling and combined with MAXXIS Minion DHF and DHR II tires they build the dream team to deliver an exceptional ride feeling.






Weights and Pricing

JEFFSY 29 Uncaged 6: 13.9 kgs
CAPRA 29 Uncaged 6: 14.8 kgs

JEFFSY 29 Uncaged 6: 8,999.00 € / £7,799.00 / $9,499.00 USD / $13,299.00 CAD
CAPRA 29 Uncaged 6: 8,999.00 € / £7,799.00 / $9,499.00 USD / $13,299.00 CAD

View specs, compare, and rate the Uncaged Models in the Vital MTB Product Guide.

RockShox Flight Attendant

Developed over thousands of trail miles around the world, this game-changing tech senses and analyzes every bump, pitch, and pedal stroke via modules on the rear shock, fork, and a sensor in the crankset to automatically adjust the suspension setting to an Open, Pedal or Lock position in an instant. All settings, including the possibility to customize the system to be biased toward the open or locked position, can be done manually via the control module on the fork or via the SRAM AXS Mobile App. After setting up the system, riders can let the bike do the thinking while unlocking their full riding potential on the trail.


RockShox Flight Attendant FAQ


What information is Flight Attendant using to make decisions?
Flight Attendant analyses data from sensors in the fork, rear shock, and crank to adjust each component into the three suspension positions (Open, Pedal, and Lock) to suit the terrain and rider needs.

How fast do the sensors open the damping? And how long does it take to lock the damper out?
With the combination of sensors and the Flight Attendant algorithm, we feel there is much more to Flight Attendant than speed alone. However, if we are looking at raw data, the system analyses terrain and rider inputs and makes suspension-position decisions every 5 milliseconds. For a frame of reference, the average time for a blink is between 300 and 400 milliseconds; so, in the time it takes to blink, Flight Attendant has made about 80 suspension state decisions based on input from the rider and terrain.

Does Flight Attendant learn from my riding style and adjust its behaviour?
Flight Attendant does not learn from the given rider’s style, rather, it is an algorithm developed over hundreds of thousands of trail miles around the world. This algorithm is continually evolving and updated with new firmware. Flight Attendant makes adjustments by continually analysing data input and terrain changes. The bias for how quickly or sensitively these changes are made can be adjusted within the system.

How does the algorithm prioritize the different inputs to control damping for the best riding experience?
Flight Attendant’s algorithm is highly sophisticated and born from thousands of hours of rider input and data analysis. The system utilizes data from all sensors to paint a picture of the terrain and adjusts the damping according to the input received. Flight Attendant’s highest priority is adjusting the system to the open position when bumps or disturbances are detected and will adjust the system to be more efficient when it senses the rider pedalling.

What’s the difference between Flight Attendant and other electronically-controlled suspension?

  • Flight Attendant is predictive; it adjusts damping based on input from the rider and the terrain.
  • Wireless integration of Flight Attendant components means a cleaner, quieter bike and ride experience.
  • Flight Attendant offers three compression positions: Open, Pedal, and Lock.
  • Firmware updates over the course of time will allow your Flight Attendant system to learn, receive new features, and become more valuable over time.
  • Being a part of the AXS Ecosystem means you can control, personalize, and monitor all your AXS components together.
  • You can say “Prepare for take-off” when Flight Attendant is a part of your crew.

How significant is the pedal sensor in terms of data input?
The pedal sensor gathers data from the rider and is the key component to the human part of the system. The pedal sensor is why Flight Attendant is predictive rather than reactive, and is an essential part of the system, ensuring the most efficient ride.

Will Flight Attendant make my bike more efficient?
Flight Attendant’s “Auto Mode” is designed to maximize rider efficiency. In Auto Mode, Flight Attendant adapts as you go, adjusting the fork and rear shock between Open, Pedal, and Lock compression. By putting your suspension in the right position at exactly the right time, Auto Mode gives you the most return on every pedal stroke, weight shift, and micro adjustment all while you ride.

Can Flight Attendant components analyse my ride data to help me become a better rider?
Flight Attendant uses data input to manage the damping positions between Open, Pedal, and Lock. It does not provide data to deliver recommendations on initial setup or a rider’s performance.

Does the lockout force vary across the fork offerings (Pike to ZEB)?
All Flight Attendant fork models (Pike Ultimate, Lyrik Ultimate, and ZEB Ultimate) have the same lockout force; they are tuned to have a firmer lockout than Charger 2.1 RCT3, but a softer lockout than our XC forks.

Is the compression damping adjustment range the same as Charger 2.1 RC2? How does it differ?
The Flight Attendant fork damper is similar to RCT3 in that it offers three suspension positions: Open, Pedal, and Lock. The damping adjustment range across rebound and low-speed compression is similar to that of our RC2 damper. This damper features 20 clicks of independent rebound adjust and 10 clicks of Low Speed Compression for both the fork and rear shock.

Does Flight Attendant optimize rebound damping on trail?
Flight Attendant does not make any adjustments to the rebound damping; however, rebound can be manually adjusted on the bottom of the lower leg. From Turtle to Jackalope, RockShox’s wide rebound adjustment range has a consistent feel, click-by-click, to make sure you can dial in your suspension.

Are Flight Attendant parts waterproof?
All AXS components are completely water and dust proof to the IPX7 international standard. Initially developed for construction vehicles and food sanitization, the IPX7 standard validates systems that require regular pressurized cleaning. For a mountain biker, it means no hesitation to head out when the weather looks less than ideal.

Can I connect my Flight Attendant parts with the other AXS parts on my bike?
Flight Attendant is an integrated part of the SRAM AXS Ecosystem, therefore all parts can be connected and managed as one bike profile within the SRAM AXS mobile app. The controller options are adjustable and can be customized for each rider.

How do the Flight Attendant parts communicate to one another?
Each component is a part of the SRAM AXS Ecosystem, which can connect to one another using our proprietary encryption wireless network.

How does Flight Attendant interact with the SRAM AXS mobile app?
Flight Attendant is an integrated part of the AXS Ecosystem. Use the SRAM AXS mobile app to adjust settings for the entire AXS system, Flight Attendant included. Control, personalize, and monitor components with the SRAM AXS mobile app, where you can also check battery charge status, and perform any firmware updates right from your phone.

The pedal sensor insert seems to only fit certain DUB cranks?
The pedal sensor is designed to work with our XX1 and X01 DUB spindles, but is compatible with most DUB spindles except the DUB 83 (DH) spindles.

Can I test function of an individual component without pairing the entire system?
The system needs to be paired for full functionality, but the fork and rear shock will function without pairing.

Does changing sag affect calibration?
Large changes in sag will require the calibration to be reset, but not necessarily immediately (i.e., if you’re out on the trail). Make sure to complete calibration on a level surface.

How does Bias Adjustment compare/relate to Low Speed Compression (LSC)? Does Bias change LSC?
Low Speed Compression (LSC) settings function independently of Flight Attendant Modes. This means that the LSC settings will be maintained while in the Open position even if the rider switches between the Auto, Manual, and Override Modes. Bias Adjust affects the system as a whole and how often it switches between Open, Pedal, and Lock positions when in Auto Mode.

Does changing Bias affect system calibration?
Changing bias settings will not affect the previously-set system calibration.

Why am I unable to adjust my settings in the SRAM AXS mobile app?
If the Open, Pedal, or Lock LED is orange, the system is in Override Mode - a shortcut to your desired suspension position. Settings are not adjustable from Override Mode. If the Open, Pedal, and Lock LEDs are all yellow, the system is in Safe Mode, and settings are not adjustable. Check out the Flight Attendant User Manual for Safe Mode Troubleshooting.

What does each LED indicate on my Flight Attendant components?
Control Module LEDs:

  • Green LEDs indicate you are in AUTO Mode.
  • Orange LEDs indicate you are in Override Mode.
  • Red LEDs indicate you are in Manual Mode.
  • Yellow LEDs indicate you are in Safe Mode.
  • Magenta LEDs indicate you are in the Bias Adjustment setting.
  • Blue LEDs indicate you are adjusting the Low Speed Compression Setting for the front fork.
  • Cyan LEDs indicate you are adjusting the Low Speed Compression Setting for the rear shock.
  • White LEDs indiciate you are in calibration mode.

Can I manually adjust or tune Flight Attendant compression and rebound settings?
Rebound is manually adjusted using the rebound adjuster knob found on the rear shock and on the bottom of the fork’s lower leg. This can be adjusted any time by the ride. Low Speed Compression can be manually adjusted for the rear shock and fork using the Control Module or SRAM AXS mobile app. Your Flight Attendant system automatically controls your suspensions 3 position threshold compression, shifting between Open, Pedal, and Lock positions while in Auto Mode. The rider can manually shift between these positions while in Manual mode.

Can I tune the air spring in the Flight Attendant fork or rear shock?
Yes! For token installation and removal, check out the service manual for your fork or rear shock on

Is Flight Attendant compatible with Eagle AXS and Reverb AXS controllers?
Yes! Functionality of all AXS components can be customized in the SRAM AXS mobile app.

Can I use Flight Attendant without a handlebar mounted controller?
Yes! In Auto Mode, no additional controller is needed. While in Manual Mode, you can either use the Control Module “+” or “–“ buttons, or the new left hand, 2-position AXS controller to cycle through suspension positions.

Can Flight Attendant be used on an e-bike?
Yes, Flight Attendant will be available on select e-bikes in the near future.

By using Flight Attendant on an e-bike, can I better conserve battery power (meaning longer rides)?
Flight Attendant increases the efficiency of both the rider and the entire system, so there’s no energy wasted. A more composed and efficient rider can pedal through tricky sections of trail with more control and stability, leading to a more controlled cadence. Therefore, e-bikes using Flight Attendant will be slightly more efficient when it comes to battery usage.

Can I use Flight Attendant with a non-SRAM drivetrain equipped mountain bike?
Flight Attendant components can be used with another drivetrain system. However, Flight Attendant will be available only on complete bikes rather than aftermarket upgrade components. These complete bikes will have the full AXS Ecosystem.


How long can I expect the batteries to last on the fork and rear shock?
There are several variables that will affect the length of time the batteries will hold a charge for a given rider; however, we expect the batteries to last an average of 20-30 hours before requiring a charge.

What type of batteries do the Flight Attendant components use and what is the expected lifespan?

  • Fork: rechargeable SRAM AXS battery, 20-30 hours
  • Rear shock: rechargeable SRAM AXS battery, 30-40 hours
  • Pedal sensor: AAA lithium, 200 hours
  • Controller: CR2032, 200 hours

Can I use alkaline AAA batteries in the pedal sensor?
No, the use of alkaline batteries in the pedal sensor is NOT approved. Alkaline AAA batteries have a significantly decreased battery life, trigger low battery messages almost immediately, and are susceptible to corrosion and leakage that can damage the electronics. Always use AAA lithium batteries.

What happens if a battery loses power / dies?
Before a SRAM AXS battery (in the fork and rear shock) loses power, Flight Attendant’s Safe Mode automatically places the suspension system into the Open position so you can get home safe to recharge. If the pedal sensor battery dies while the fork and rear shock SRAM AXS batteries still maintain power, the rider can use Manual Mode to change the damping state of the fork and rear shock. If the rider stays in Auto Mode, the system will stay in the Open position until the pedal sensor battery is replaced.

Will cold temperatures affect the battery life of Flight Attendant parts?
RockShox products and SRAM AXS batteries have optimal performance in temperatures ranging from 0° C (32° F) to 38° C (100° F). Product performance will degrade in temperatures outside this range. We don’t recommend use in temperatures below -12° C (10° F) and above 49° C (120° F).

Should I always remove the batteries and replace with covers when transporting my bike?
For extended transportation, we recommend that you remove the SRAM AXS batteries and replace them with the red battery blocks to keep the battery contacts clean. This will also remind you to install your batteries before you ride.

What happens if I lose or forget a SRAM AXS battery? Can I use one battery to move each component into open?
If a SRAM AXS battery is forgotten, whichever component is powered up will switch to Safe Mode. You can then install that same battery into the other component to switch that component to Safe Mode, if it’s not there already.

Can I replace the battery latch on my Flight Attendant Control Module?
Battery latches are not replaceable.

Are batteries included?
The SRAM AXS batteries are included separately and must be fully charged before installation and use. The AXS Controller and Pedal Sensor batteries are pre-installed, however, the Pedal Sensor must be activated prior to pairing or use.

How do I know the battery life of my components?
The AXS component LED indicators, located near the AXS logo, illuminate when the component AXS button is pressed. The color of the LED indicates the battery charge level. You can also use the SRAM AXS mobile app to monitor battery life for all your AXS components. Check out the Flight Attendant User Manual for more information on battery life.

Are Flight Attendant batteries cross-compatible with Reverb AXS seatposts and Eagle AXS derailleurs?
Yes, SRAM AXS batteries are compatible with any AXS derailleur, seatpost, or Flight Attendant forks and rear shocks.


How do I pair Flight Attendant?
AXS systems are motion activated. Before connecting to your system, shake or move the bicycle to wake the system components.

Before the Flight Attendant system can be paired, the new pedal sensor must be activated. Pedal sensor activation only needs to occur once prior to initial pairing, never again. Press and hold the AXS button on the sensor, located inside the spindle of the cranks, for 5 seconds until the LED illuminates solid, then release. The pedal sensor is now ready to be paired.

Begin the pairing session with the Flight Attendant Control Module on the fork. Press and hold the AXS button on the module until the AXS LED blinks slowly, then release. Press and hold the AXS button on the next device to be paired in until the AXS LED illuminates green and then flashes quickly. The Flight Attendant Control Module’s AXS LED will also flash quickly indicating that the device was paired successfully.

Continue this process for all other AXS components, then press and release the AXS button on the Flight Attendant Control Module to end the pairing session, or wait 30 seconds for the session to timeout. The AXS LED will stop blinking.

Successful pairing can be verified within the AXS app. All AXS components should be paired into a single system, ensuring optimized functionality and customization within the AXS app. All paired components will be listed below the Flight Attendant fork.

If using in combination with AXS drivetrain or seat post, the pairing session must start with the Flight Attendant control module. After initiating pairing session with one of these the rest of the components may be paired in any order.

For more information, check out the user manuals and videos on

What do I need to do to set up Flight Attendant and ride?
Set up is simple. Pair your AXS components (including Flight Attendant as a part of the AXS Ecosystem), set up your suspension by setting your air pressure and rebound for both the fork and rear shock, calibrate the Flight Attendant system, and you’re ready to ride. Flight Attendant will remember everything next time.

For more information on set up and calibration, check out the Set-Up Video, and the Flight Attendant User Manual on

If my damper control module fails to respond, what should I do to fix it?
If a control unit fails to respond in normal usage, remove the battery for 10 seconds, then re-install. If removing the battery doesn’t resolve the issue, fully charge the batteries and re-install. For further troubleshooting, check out the Flight Attendant User Manual or reach out to your local bike shop for assistance.

Can I upgrade my current RockShox fork to Flight Attendant?
Flight Attendant operates as a complete 3-part system, including the fork, rear shock, and crank set. We are currently focusing on complete bikes for Flight Attendant, but we are exploring aftermarket offerings in the future.

Can Flight Attendant help me set up my suspension?
No. However, the RockShox Trailhead app can be used for initial suspension settings, or check out the RockShox Suspension Setup and Tuning Guide on Flight Attendant in Auto Mode will do the rest to ensure the best possible experience on trail.

Can I service the fork and shock damper myself? Do I need to remove the Control Modules for suspension service?
Service kits will be available for Flight Attendant suspension components at the usual 50- and 200-hour intervals. The Control Module and Rear Shock Module will need to be removed before service. Check out the Service Manual for your product on

What are the limiting factors in terms fitting Flight Attendant on any given bike?
The Super Deluxe Ultimate Flight Attendant rear shock uses more space than non-Flight Attendant Super Deluxe. The fork offerings and crank sets are a consistent size with non-Flight Attendant counterparts.

If my Control Module or Rear Shock Module breaks, can it be replaced?
Yes. Please bring your SRAM product and original receipt to a local shop. The shop will work with SRAM Technical Support to initiate the warranty claim.

How should I clean Flight Attendant after a ride?
We recommend that you wipe down your FA components after every ride and inspect for debris or damage. Doing so will help keep your seals and stanchions clean and extend premium fork performance. Make sure to clean the components with soap and water only. Rinse thoroughly with water and allow the parts to dry.

NOTE: Remove the SRAM batteries and install the red battery blocks into the Flight Attendant Control Module and Rear Shock Module before cleaning. Do not clean the components with a power washer. Do not use acidic or grease-dissolving agents. Do not soak or store Flight Attendant components or the AXS Controller in any cleaning product or liquid. Chemical cleaners and solvents can damage plastic components.

Do I need to do anything different when washing my bike with Flight Attendant components?
While Flight Attendant components can withstand pressure washing and submersion, each component should be treated the same way you would treat ball bearing-equipped components such as a hub, headset, or bottom bracket. That is, avoid blasting water directly at the seals on the modules or at junction points between component assemblies. Make sure to remove the SRAM AXS batteries and install the red battery blocks into the fork Control Module and Rear Shock Module before cleaning.


Which RockShox models are a part of the Flight Attendant offering?
Fork options are: Pike Ultimate Flight Attendant, Lyrik Ultimate Flight Attendant, and ZEB Ultimate Flight Attendant. The rear shock option is Super Deluxe Ultimate Flight Attendant.

Are Flight Attendant-specific DUB cranks offered in different lengths or models?
Flight Attendant cranks are offered in XX1 and X01 models with either 165mm, 170mm or 175mm crank arm lengths and are available with the following chainring size options: 30T, 32T, 34T, and 36T.

What data does SRAM receive and store about me and my bike?
SRAM only collects component data from the SRAM AXS mobile app if permitted by the rider. Check out the privacy policy on the SRAM AXS mobile app here:

How much weight does the system add over the same product without Flight Attendant?
Comparing the same bike with or without Flight Attendant, Flight Attendant components have a small weight increase of approximately 308 grams, depending on the spec. That includes the fork, rear shock, pedal sensor, both SRAM AXS batteries and the difference in weight between a 1- and 2- button left controller.

Can we expect to see more bikes equipped with Flight Attendant in the future?
Yes. Flight Attendant will be seen across a greater range of bikes in the future.

Can I purchase Flight Attendant parts and fit to my bike?
At this time, there will not be Flight Attendant systems available in the aftermarket due to specific rear shock fitment and tuning required by frame manufacturers. This may change in the future.

XC racing seems to be the perfect application for Flight Attendant, but there is no XC offering. Can we expect to see that soon?
The current offering for Flight Attendant is across Pike, Lyrik, and ZEB chassis with Super Deluxe shocks. We are always working on new things and will share more when we have more to share.

Can we expect to see an extension of the technology to the air spring to optimize set up, such as ShockWiz integration?
AXS technology opens the doors to endless possibilities of future integration of components to deliver enhanced rider benefits. It’s entirely possible that we will see additional technologies to further improve the rider experience, but we cannot comment on any current or future developments.

Is Flight Attendant a product designed for athletes, and can we expect to see it winning world cups or EWS?
Flight Attendant creates a more efficient ride and our riders are faster overall on Flight Attendant. We expect to see Flight Attendant on the podium.

Are the Pike and Lyrik forks entirely new models? Can we expect to see non-Flight Attendant-equipped Pike and Lyrik models soon?
Pike Ultimate Flight Attendant and Lyrik Ultimate Flight Attendant feature new chassis and many new technologies. We are always working on new product and cannot comment on any current or future developments.

Will the Pressure Relief Valves be carried over onto all other Signature Series forks, and if so, when?
We have introduced new technologies with the new chassis, which includes the new Pressure Relief Valves. We are always working on new product and cannot comment on any current or future developments.

What do the new Pressure Relief Valves do?
Pressure Relief Valves eliminate unwanted air pressure build up in the lower leg caused by variations in altitude or temperature. With the press of a button or two, Pressure Relief Valves restore premium fork feel.

How do ButterCups enhance my ride?
ButterCups block 20% of high frequency “trail chatter”. Limiting these vibrations massively reduces hand and arm fatigue leaving you feeling fresh with more control.

For more Information about YT Industries:

ABOUT YT Industries

YT Industries was founded by Markus Flossmann in 2008 to give talented riders access to competitive dirt jump bikes. YT stands for Young Talent and reflects its founder’s approach to life: No matter the age, it is never too late to explore your hidden talent or passion and to try something new. It is never too late to LIVE UNCAGED. To this day, YT focuses on mountain biking and offers a wide range of products from downhill and enduro to trail bikes as a direct-to-consumer brand. YT bikes are distinguished by high quality for an exceptional price. Be it Red Bull Rampage, Downhill World Championships, or World Cups, YT bikes have dominated at world-class events and carried the best athletes to major titles.

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