2026 Trek Top Fuel 9.9 XTR Di2 Gen 4 Mountain Bike
- Brand:: Trek
- Product Code: 5333147
- Availability: In Stock
2026 Trek Top Fuel 9.9 XTR Di2 Gen 4 Mountain Bike
Top Fuel 9.9 is a lightweight carbon trail bike built to rip up climbs and stay playful on descents. It gives you the confidence you want through roots and rocks thanks to a 120mm/130mm (rear/front) suspension package with a Fox Factory Float shock. Plus, you get confident lightning-fast shifting from Shimano's all-new, iconic XTR Di2 wireless drivetrain.
SPECIFICATIONS:
| FRAME |
OCLV Mountain Carbon, internal storage, tapered head tube, internal guided routing, downtube guard, alloy rocker link, 4-way Mino Link, ABP, Boost148, 120mm travel BB Standard: BSA, 73mm, Threaded Tire Clearance: 2.5" Color: Dark Star |
|---|---|
| FORK |
RockShox Pike Ultimate, DebonAir spring, Charger 3.1 RC2 damper, 44mm offset, Boost110, Maxle Stealth, 130mm travel (Size S) Fox Factory 36 SL, Float EVOL air spring, GRIP X damper, 44mm offset, Boost110, 15mm Kabolt X axle, 130mm travel (Size M–XL) Spring Type: Air |
| REAR SHOCK |
Fox Factory Float, 2-position damper, 185mm x 50mm Travel: 120mm |
| BOTTOM BRACKET | E*thirteen BB20-P, BSA threaded, 73mm width |
| STEM | Bontrager Line Pro, 35mm, Blendr compatible, 0°, 35mm length |
| HANDLEBAR | Bontrager Line Pro, OCLV Carbon, 35mm clamp, 27.5mm rise, 780mm width |
| SADDLE | Verse Short Pro, carbon rails, 145mm width |
| SEATPOST |
Fox Transfer NEO Dropper, 34.9mm S–M: 150mm travel | ML: 175mm travel | L–XL: 200mm travel Type: Dropper |
| GRIPS | Trek Line Elite, lock-on |
| REAR DERAILLEUR | Shimano XTR Di2 M9250, long cage |
| SHIFTERS | Shimano XTR Di2 M9250, 12-speed |
| CRANKSET | E*thirteen Helix Race Carbon, 30T, 55mm chainline, 170mm length |
| CASSETTE | Shimano XTR M9200, 10–51T, 12-speed |
| CHAIN | Shimano XTR M9100, 12-speed |
| BRAKES |
Shimano XTR M9220, 4-piston hydraulic disc Type: Shimano XTR Hydraulic Disc |
| WHEELS / RIMS |
Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready Front: Boost110, 15mm thru axle | Rear: Boost148, Rapid Drive 108, Shimano Micro Spline S: 27.5" | M–XL: 29" |
| TIRES |
Bontrager Gunnison / Montrose RSL XT, Tubeless Ready, triple compound, aramid bead, 120 TPI S: 27.5x2.40" | M–XL: 29x2.40" |
| DISC ROTORS | Shimano MT905, 6-bolt, 180mm |