The new Transition Sentinel .A bike that says yes to every trail, every ride and begs for more. The Transition Sentinel rides the lines between planted bottomless sender and playful, poppy trail pony. This leaves it right in the sweet spot. It's versatile attitude helps riders excel and push their limits, making it the one bike most will need. The Transition Sentinel intuitive nature is easy to get acquainted with; you'll find yourself sending lines, jumps, and maneuvers you always felt were beyond your ability. Where before you went around, now you go over. Where you pushed up, now you pedal. Where you rolled, now you boost. It's time to Send-It-All.
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Product |
Transition Sentinel Carbon XT Bike |
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Model Year |
2025 |
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Riding Type |
Enduro / All-Mountain |
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Rider |
Unisex |
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Sizes and Geometry |
XS S M L XL XXL |
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Wheel Size |
27.5" (650b) 29" |
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Frame Material |
Carbon Fiber |
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Frame Material Details |
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Rear Travel |
150mm |
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Rear Shock |
RockShox Super Deluxe Ultimate, 205x60mm |
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Fork |
RockShox Lyrik Ultimate, 44mm offset (XS 37mm) |
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Fork Travel |
160mm |
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Head Tube Diameter |
Tapered |
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Headset |
FSA No.57E (44mm Zero Stack Top | 56mm Zero Stack Bottom) |
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Handlebar |
ANVL Mandrel Alloy 35, 800x20mm (XS-S), 800x30mm (M-XL), 800x40mm (XXL) |
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Stem |
ANVL Swage, 40mm |
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Grips |
ODI Elite Flow Lock-On |
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Brakes |
Shimano XT M8120 4-Piston with 203mm Shimano RT86 Rotors |
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Brake Levers |
Shimano XT |
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Drivetrain |
1x |
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Shifters |
Shimano XT M8100 iSpec EV |
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Front Derailleur |
None |
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Rear Derailleur |
Shimano XT M8100 SGS 12-Speed |
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ISCG Tabs |
ISCG 05 |
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Chainguide |
None |
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Cranks |
Shimano XT M8100, 165mm |
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Chainrings |
30 Tooth |
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Bottom Bracket |
73mm Threaded |
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Pedals |
None |
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Chain |
Shimano XT M8100 |
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Cassette |
Shimano XT M8100, 10-51 Tooth |
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Rims |
DT Swiss M 1900 Spline 30 |
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Hubs |
DT Swiss 370 Ratchet LN |
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Spokes |
DT Swiss Champion |
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Tires |
Front: Maxxis Assegai 3C EXO+, 29"x2.5" (27.5" on Size XS) Rear: Maxxis Minion DHR II 3C EXO+, 29"x2.4" (27.5" on Size XS) |
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Saddle |
SDG Bel Air V3 |
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Seatpost |
OneUp Components Dropper Post Travel: 120mm (XS), 150mm (S), 190mm (M), 210mm (L), 240mm (XL/XXL) |
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Seatpost Diameter |
31.6mm |
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Seatpost Clamp |
37.0mm Single Bolt |
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Rear Dropout / Hub Dimensions |
12mm x 148mm (Boost) |
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Max. Tire Size |
2.5" |
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Bottle Cage Mounts |
One inside front triangle |
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Colors |
Glacier White, Deep Purple, Graphite Grey |
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Warranty |
• The V3 Sentinel, released in 2024, is covered for life against manufacturing defects • All Transition Bikes frames are covered by a “Crash Replacement Policy” to the original or second-hand owner |
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Weight |
32 lb 14.3 oz (14,920 g) |
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Miscellaneous |
• V3 version • BOOM Box (Burritos Or Other Munchies) in-frame storage with supplied storage bags • 29" wheels on sizes S-XXL and mixed wheel compatible, dual 27.5" on size XS • Main pivot mudguard • New cable-routing ports • Refined kinematics for a lively, progressive platform • 24% rear shock progression • SRAM UDH derailleur hanger • Geo-adjust flip chip in lower shock mount to accommodate mixed wheels • 205mm x 60mm rear shock size (compatible with 205mm x 65mm) • Shock hardware: Trunnion mount top / 30mm x 8mm bottom • Recommended rear shock sag: 16-20mm (26-32%) • Coil and air shock compatible • Included with bike: Fidlock Twist Bike Base, Tubeless Valves and Sealant |