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2026 Transition Sentinel Alloy Eagle 70 Bike

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Where To Buy
Free shipping on orders over $50 (continental U.S. only).
International shipping available. Some exclusions apply.
Free shipping on orders over $50 (contiguous U.S. only).
International shipping available. Some exclusions apply.

Specifications

Product
Transition Sentinel Alloy Eagle 70 Bike
Model Year
2026
Intended Use
Enduro / All-Mountain
Rider
Unisex
Sizes and Geometry
XS 27.5"
SM (29", MX)
MD (29", MX)
LG (29", MX)
XL (29", MX)
XXL (29", MX)
View Full Geometry
Sizes Additional Info
• XS has 27.5" wheels; SM-XXL have 29" wheels front/rear with option of mixed ("Mullet") wheels (29" front, 27.5" rear) via two-position flip chip at lower shock mount


• All specifications listed are with 160mm travel fork with 560mm (XS) or 578mm (SM-XXL) axle-to-crown length and 37mm (XS) or 44mm (SM-XXL) offset


• Saddle heights for effective seat tube angles listed above: 560mm (XS), 600mm (SM), 660mm (MD), 720mm (LG), 780mm (XL), 820mm (XXL)
View Full Geometry
Wheel Size
27.5" (650b)
29"
Frame Material
Aluminum
Frame Material Details
Molded chainstay, seatstay, and lower down tube protection
Rear Travel
150mm
Rear Shock
RockShox Super Deluxe Base, 205mm length x 60mm stroke
Fork
RockShox Psylo Gold RC, 35mm stanchions
Fork Travel
160mm
Head Tube Diameter
Tapered, 1.125" top, 1.5" bottom
Headset
FSA No.57E, ZS44 upper, ZS56 lower
Handlebar
Race Face Chester, 780mm width, 35mm clamp diameter
Rise: 20mm (SM), 35mm (MD-XL)
Stem
Race Face Aeffect R, 40mm length, 35mm bar clamp
Grips
ODI Elite Flow, lock-on
Brakes
SRAM Maven Base, 4-piston
Rotors: SRAM CenterLine, 200mm front, 180mm rear
Brake Levers
SRAM Maven Base Stealth, tool-free reach adjust
Drivetrain
1x
Shifters
SRAM Eagle 70 Transmission, 12-speed, MMX mounting bracket
Front Derailleur
None
Rear Derailleur
SRAM Eagle 70 Transmission, 12-speed
ISCG Tabs
ISCG05
Chainguide
None
Cranks
SRAM Eagle 70 Transmission Alloy DUB, 165mm length
Chainrings
SRAM Eagle 70 Transmission, 30 (29" rear) or 32 (27.5" rear) tooth
Bottom Bracket
SRAM DUB, 73mm English/BSA threaded
Pedals
None
Chain
SRAM Eagle 70 Transmission Flattop, 12-speed
Cassette
SRAM Eagle Transmission XS-1270, 12-speed, 10-52 tooth
Rims
WTB ST i30 Alloy, 30mm inner width
Hubs
Novatec, D791SB 15mm x 110mm (Boost) front, D902SB 12mm x 148mm (Boost) rear with HG driver
Spokes
Pillar, double-butted
Tires
Front: Maxxis Assegai, EXO casing, TR, 2.5"
Rear: Maxxis Minion DHR II, EXO casing, TR, 2.4"
Saddle
SDG Bel-Air V3
Seatpost
SDG Tellis dropper
Drop: 150mm (SM), 170mm (MD), 200mm (LG), 230mm (XL/XXL)
Seatpost Diameter
31.6mm
Seatpost Clamp
Single bolt, 34.9mm
Rear Dropout / Hub Dimensions
12mm x 148mm (Boost)
Max. Tire Size
2.5"
Bottle Cage Mounts
One inside front triangle, plus accessory mounts under top tube
Colors
Silver Mist, Desert Dusk
Warranty
Lifetime frame
Weight
 
Miscellaneous
• V3 version
• GiddyUp four-bar Horst-link rear suspension design
• XS has 27.5" wheels; SM-XXL have 29" wheels front/rear with option of mixed ("Mullet") wheels (29" front, 27.5" rear) via two-position flip chip at lower shock mount
• Rear travel can be increased to 160mm with longer-stroke (65mm) shock
• Internal cable routing; cable ports on the side of the headtube allow for customizable options for mechanical or wireless shifting as well as left or right rear brake setups
• SRAM UDH (Universal Derailleur Hanger)
• Frame weight, size MD with shock: 9.91 lbs (4.5 kg)

Includes:
• Pre-installed integrated mud guard to protect the main pivot area
• Tubeless valves and sealant
Price
$3,999.00
More Info

FIRST RIDE: Transition's Sentinel V3

Transition website

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Where To Buy
Free shipping on orders over $50 (continental U.S. only).
International shipping available. Some exclusions apply.
Free shipping on orders over $50 (contiguous U.S. only).
International shipping available. Some exclusions apply.
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