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2026 Trek Top Fuel 9.9 XTR Di2 Gen 4
2026 Trek Top Fuel 9.9 XTR Di2 Gen 4
2026 Trek Top Fuel 9.9 XTR Di2 Gen 4
2026 Trek Top Fuel 9.9 XTR Di2 Gen 4

2026 Trek Top Fuel 9.9 XTR Di2 Gen 4

USD 5,999.00
Brand:
Product Code: GT240658
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.
FRAMEOCLV Mountain Carbon, internal storage, tapered head tube, internal guided routing, downtube guard, alloy rocker link, 4-way Mino Link, ABP, Boost148, 120mm travel
BOTTOM BRACKETE*thirteen BB20-P, BSA threaded, 73mm width
BB STANDARDBSA, 73mm, Threaded
TIRE CLEARANCE2.5"
COLORDark Star
FORKSize 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 TRAVEL130mm
SPRING TYPEAir
SHOCKFox Factory Float, 2-position damper, 185mm x 50mm
REAR TRAVEL120mm
STEMBontrager Line Pro, 35mm, Blendr compatible, 0 degree, 35mm length
HANDLEBARBontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 780mm width
GRIPSTrek Line Elite, lock-on
SADDLEVerse Short Pro, carbon rails, 145mm width
SEATPOSTSize S, M: Fox Transfer NEO, 150mm travel, 34.9
Size ML: 175mm travel
Size L, XL: 200mm travel
SEATPOST TYPEDropper
REAR DERAILLEURShimano XTR Di2 M9250, long cage
CRANKE*thirteen Helix Race Carbon, 30T, 55mm chainline, 170mm length
SHIFTERSShimano XTR Di2 M9250, 12 speed
CASSETTEShimano XTR M9200, 10-51, 12 speed
CHAINShimano XTR M9100, 12 speed
BRAKESShimano XTR M9220 4-piston hydraulic disc
BRAKE TYPEShimano XTR Hydraulic Disc
RIMSFront (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"
TIRESSize 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 ROTORSShimano MT905, 6 bolt, 180mm