2024 Trek Rail 9.9 X0 AXS T-Type Gen 4 E-Bike

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Trek


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Specifications

Product

Trek Rail 9.9 X0 AXS T-Type Gen 4 E-Bike

Model Year

2024

Intended Use

Enduro / All-Mountain

Rider

Unisex

Sizes and Geometry

SM (High, Low)

MD (High, Low)

LG (High, Low)

XL (High, Low)

View Full Geometry

Size	SM (High, Low)	MD (High, Low)	LG (High, Low)	XL (High, Low)
Top Tube Length	579mm, 580mm	600mm, 601mm	638mm, 639mm	671mm, 673mm
Head Tube Angle	64.6°, 64.2°	64.6°, 64.2°	64.6°, 64.2°	64.6°, 64.2°
Head Tube Length	105mm	110mm	125mm	140mm
Seat Tube Angle	77.1°, 76.7°	77.1°, 76.7°	77.1°, 76.7°	77.1°, 76.7°
Seat Tube Length	410mm	420mm	450mm	500mm
Bottom Bracket Height	346mm (27mm drop), 341mm (33mm drop)	346mm (27mm drop), 341mm (33mm drop)	346mm (27mm drop), 341mm (33mm drop)	346mm (27mm drop), 341mm (33mm drop)
Chainstay Length	447mm, 448mm	447mm, 448mm	447mm, 448mm	447mm, 448mm
Wheelbase	1231mm, 1214mm	1236mm, 1236mm	1277mm, 1278mm	1313mm, 1314mm
Standover	761mm, 756mm	773mm, 768mm	770mm, 765mm	768mm, 763mm
Reach	436mm, 432mm	456mm, 452mm	491mm, 487mm	521mm, 517mm
Stack	625mm, 628mm	629mm, 633mm	643mm, 646mm	656mm, 660mm
Additional Info	• Geometry adjustable via Mino Link flip chip in rear rocker link pivot. • All specifications listed are with 160mm travel fork with 43mm offset, for trail values of 130mm (High) and 133mm (Low) for all sizes.

Sizes Additional Info

• Geometry adjustable via Mino Link flip chip in rear rocker link pivot.
• All specifications listed are with 160mm travel fork with 43mm offset, for trail values of 130mm (High) and 133mm (Low) for all sizes.

View Full Geometry

Size	SM (High, Low)	MD (High, Low)	LG (High, Low)	XL (High, Low)
Top Tube Length	579mm, 580mm	600mm, 601mm	638mm, 639mm	671mm, 673mm
Head Tube Angle	64.6°, 64.2°	64.6°, 64.2°	64.6°, 64.2°	64.6°, 64.2°
Head Tube Length	105mm	110mm	125mm	140mm
Seat Tube Angle	77.1°, 76.7°	77.1°, 76.7°	77.1°, 76.7°	77.1°, 76.7°
Seat Tube Length	410mm	420mm	450mm	500mm
Bottom Bracket Height	346mm (27mm drop), 341mm (33mm drop)	346mm (27mm drop), 341mm (33mm drop)	346mm (27mm drop), 341mm (33mm drop)	346mm (27mm drop), 341mm (33mm drop)
Chainstay Length	447mm, 448mm	447mm, 448mm	447mm, 448mm	447mm, 448mm
Wheelbase	1231mm, 1214mm	1236mm, 1236mm	1277mm, 1278mm	1313mm, 1314mm
Standover	761mm, 756mm	773mm, 768mm	770mm, 765mm	768mm, 763mm
Reach	436mm, 432mm	456mm, 452mm	491mm, 487mm	521mm, 517mm
Stack	625mm, 628mm	629mm, 633mm	643mm, 646mm	656mm, 660mm
Additional Info	• Geometry adjustable via Mino Link flip chip in rear rocker link pivot. • All specifications listed are with 160mm travel fork with 43mm offset, for trail values of 130mm (High) and 133mm (Low) for all sizes.

Wheel Size

29"

E-Bike Class

Class 1: Pedal Assist (Pedelecs)

Motor

Bosch Performance Line CX, Smart System, magnesium motor body, 250W power, 85 Nm max torque

Battery

Bosch PowerTube, Smart System, integrated, removable

Battery Capacity

Size SM: 625 Wh

Sizes MD-XL: 750 Wh

Display/Remote

Bosch top tube System Controller BRC3100, Smart System, Bluetooth connectivity; Bosch Mini Remote BRC3300 switch, Smart System

Modes

Turbo, Sport/eMTB, eMTB Lite, Eco, Walk Assist

Max Speed with Assist

EU and APAC: 15.5 mph (25 km/h)

All other countries: 20 mph (32.2 km/h)

Frame Material

Carbon Fiber

Frame Material Details

OCLV Mountain Carbon main frame, carbon rear triangle, magnesium rocker link, Motor Armor, molded seatstay and chainstay protection

Rear Travel

150mm

Rear Shock

RockShox Super Deluxe Ultimate RT, DebonAir spring, Thru Shaft damper, AirWiz electronic pressure indicator, 230mm length x 57.5mm stroke

Fork

RockShox ZEB Ultimate, DebonAir spring, Charger 3 RC2 damper, lockout, AirWiz electronic pressure indicator, oversized crown for e-MTB, 44mm offset, Maxle Stealth thru-axle

Fork Travel

160mm

Head Tube Diameter

Tapered, 1.125" top, 1.8" bottom

Headset

Trek Knock Block integrated, 72° radius rotation limiter, cartridge bearings

Handlebar

Bontrager RSL Integrated bar/stem, OCLV Carbon, 820mm width, 27.5mm rise

Stem

Bontrager RSL Integrated bar/stem, OCLV Carbon, 45mm virtual length, 0° rise

Grips

Bontrager XR Trail Elite, nylon lock-on

Brakes

SRAM Code Silver Stealth, 4-piston, SRAM HS2 6-bolt rotors (220mm front, 200mm rear)

Brake Levers

SRAM Code Silver Stealth, reach and contact point adjustment

Drivetrain

Shifters

SRAM Eagle Pod Ultimate Controller, 12-speed, AXS electronic wireless

Front Derailleur

None

Rear Derailleur

SRAM X0 Eagle Transmission, 12-speed, AXS electronic wireless

Chainguide

Upper slider

Cranks

SRAM X0 Eagle Transmission Alloy, 160mm length

Chainrings

SRAM XX Eagle Transmission, 34 tooth, steel

Pedals

VP-536 platform, nylon

Chain

SRAM X0 Eagle Transmission, 12-speed

Cassette

SRAM X0 Eagle Transmission XS-1295, 12-speed, 10-52 tooth

Rims

Bontrager Line Pro 30 wheelset, OCLV Mountain Carbon, tubeless ready

Hubs

Bontrager Line Pro wheelset, 15mm x 110mm (Boost) front, 12mm x 148mm (Boost) rear with Rapid Drive 108 freehub and XD driver

Spokes

Bontrager Line Pro wheelset

Tires

Front: Bontrager SE6 Team Issue, Core Strength sidewalls, aramid bead, 120 TPI, tubeless ready, 29" x 2.5"
Rear: Bontrager SE5 Team Issue, Core Strength sidewalls, aramid bead, 120 TPI, tubeless ready, 29" x 2.5"

Saddle

Bontrager Arvada, austenite rails, 138mm width

Seatpost

RockShox Reverb AXS dropper, electronic wireless
Drop: 100mm (SM), 150mm (MD), 170mm (LG/XL)

Seatpost Diameter

34.9mm

Seatpost Clamp

Single bolt

Rear Dropout / Hub Dimensions

12mm x 148mm (Boost)

Max. Tire Size

29" x 2.6"

Bottle Cage Mounts

One inside front triangle

Colors

Deep Smoke, Pennyflake, Lava

Warranty

Lifetime frame and wheels; 2 years Trek/Bontrager parts, suspension linkage components, and paint/decals

Weight

52 lb 5.8 oz (23,750 g)

Miscellaneous

• ABP (Active Braking Pivot) rear suspension design
• Removable Integrated Battery (RIB) system
• Geometry adjustable via Mino Link flip chip in rear rocker link pivot
• Knock Block 2.0 steerer stop (removable)
• Control Freak guided internal cable routing
• Compatible with SRAM UDH (Universal Derailleur Hanger)
• Power settings customizable, plus all-in-one navigation and activity tracking, via Bosch eBike Flow Mobile App
• Weight given for size MD set up tubeless
• Includes Bosch 4A 110V Smart System charger
• Includes RockShox AirWiz and Quarq TireWiz electronic pressure indicators for suspension and tires
• Includes SRAM AXS Powerpack battery charger
• Includes SRAM AXS power cable to power derailleur with main bike battery
• Includes Bontrager TLR tubeless tire sealant, rim strips, and valves

Price

SM with 625 Wh battery: $11,299.99

MD-XL with 750 Wh battery: $11,499.99

More Info

Trek website

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$70 standard shipping on bikes (continental U.S. only).	$70 standard shipping on bikes (continental U.S. only). $9,999.97	Buy
Rail+ 9.9 X0 AXS T-Type Gen 5	Rail+ 9.9 X0 AXS T-Type Gen 5 $9,999.97	Buy
Free U.S. shipping on everything. International shipping available. Some exclusions apply.	Browse available E-Bikes
Free shipping on orders over $50 (continental U.S. only). International shipping available. Some exclusions apply.	Browse available E-Bikes
Free shipping on orders over $69 (continental U.S. only). International shipping available. Some exclusions apply.	Browse available E-Bikes