2026 Trek Top Fuel 9.9 XTR Di2 Gen 4

2026 Trek Top Fuel 9.9 XTR Di2 Gen 4

USD 5,999.00 -40%
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Product Code: WT240658
Availability: In Stock
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Product Description

2026 Trek Top Fuel 9.9 XTR Di2 Gen 4

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.
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
BOTTOM BRACKET E*thirteen BB20-P, BSA threaded, 73mm width
BB STANDARD BSA, 73mm, Threaded
TIRE CLEARANCE 2.5"
COLOR Dark Star
FORK Size S: RockShox Pike Ultimate, DebonAir spring, Charger 3.1 RC2 damper, 44mm offset, Boost110, Maxle Stealth, 130mm travel;
Size M, ML, L, XL: Fox Factory 36 SL, Float EVOL air spring, GRIP X damper, 44mm offset, Boost 110, 15mm Kabolt X axle, 130mm travel
FORK TRAVEL 130mm
SPRING TYPE Air
SHOCK Fox Factory Float, 2-position damper, 185mm x 50mm
REAR TRAVEL 120mm
STEM Bontrager Line Pro, 35mm, Blendr compatible, 0 degree, 35mm length
HANDLEBAR Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 780mm width
GRIPS Trek Line Elite, lock-on
SADDLE Verse Short Pro, carbon rails, 145mm width
SEATPOST Size S, M: Fox Transfer NEO, 150mm travel, 34.9
Size ML: 175mm travel
Size L, XL: 200mm travel
SEATPOST TYPE Dropper
REAR DERAILLEUR Shimano XTR Di2 M9250, long cage
CRANK E*thirteen Helix Race Carbon, 30T, 55mm chainline, 170mm length
SHIFTERS Shimano XTR Di2 M9250, 12 speed
CASSETTE Shimano XTR M9200, 10-51, 12 speed
CHAIN Shimano XTR M9100, 12 speed
BRAKES Shimano XTR M9220 4-piston hydraulic disc
BRAKE TYPE Shimano XTR Hydraulic Disc
RIMS Front (S): Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 27.5"
Front (M–XL): Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29"
Rear (S): Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline, Boost148, 12mm thru axle, 27.5"
Rear (M–XL): Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline, Boost148, 12mm thru axle, 29"
TIRES Size S: Bontrager Gunnison RSL XT, Tubeless Ready, triple compound, aramid bead, 120 tpi, 27.5x2.40"
Size M–XL: Bontrager Gunnison RSL XT & Montrose RSL XT, Tubeless Ready, triple compound, aramid bead, 120 tpi, 29x2.40"
DISC ROTORS Shimano MT905, 6 bolt, 180mm

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Size Chart