Transition 2025 Sentinel Alloy Eagle 90 Bike

The Sentinel is your ticket to riding everything. Straddling the line between aggressive sender and nimble trail companion, this bike transforms what felt impossible into your new normal. Its intuitive geometry lets you progress faster than you'd think—suddenly you're clearing jumps, nailing technical sections, and discovering lines you'd previously rolled past. Whether you're boosting berms or pedalling steep climbs, the Sentinel's versatile character adapts to your ambitions. Built to handle the full spectrum of trail riding, it's the one bike that grows with your skills and rewards your courage. Time to send it all.

Bikes cannot be shipped as part of large & bulky freight. Please contact us directly regarding any bike sales.

SPECIFICATIONS:

Frame: Sentinel Alloy – 150 mm rear travel, GiddyUp 2.0 suspension design

Fork: RockShox Lyrik Select+ – 160 mm travel

Rear Shock: RockShox Super Deluxe Select+ (205 × 60 mm Trunnion)

Wheel Size: 29" (XS = 27.5"), MX-compatible with flip chip

Drivetrain: SRAM Eagle 90 Transmission – 12-speed

Crankset: SRAM GX Eagle T-Type, 30T chainring

Cassette: SRAM XS-1275, 10–52T

Chain: SRAM GX Eagle Transmission

Brakes: SRAM Maven Bronze, 4-piston hydraulic disc

Rotors: SRAM CenterLine 200 mm front / 200 mm rear

Wheelset: DT Swiss M 1900 Spline 30, DT Swiss 370 Ratchet LN hubs

Front Tire: Maxxis Assegai 3C EXO+ 2.5"

Rear Tire: Maxxis Minion DHR II 3C EXO+ 2.4"

Handlebar: ANVL Mandrel Alloy 35, 800 mm width (varies by size)

Stem: ANVL Swage 40 mm, 35 mm clamp

Seatpost: OneUp Dropper Post (travel by size: 120 mm XS, 150 mm S, 180 mm M, 210 mm L, 240 mm XL/XXL)

Saddle: ANVL Forge CroMo

Bottom Bracket: 73 mm BSA threaded

Headset: FSA No.57E

Head Angle: 64°

Seat Tube Angle (effective): 77.5°

Reach: 415 mm (XS) – 530 mm (XXL)

Chainstay Length: 436 mm (XS) / 442 mm (S–M) / 448 mm (L–XL)

Tire Clearance: Up to 2.5" rear

Weight: Approx. 16.6 kg / 36.6 lb (Medium)

Frame Features: Internal cable routing, mixed-wheel compatible, BOOM Box in-frame storage, bottle cage mounts, molded frame protection

Colors: Deep Purple, Graphite Grey, Glacier White

Intended Use: All-Mountain / Enduro