2026 Trek Top Fuel 9.9 XTR Di2 Gen 4 Carbon SLR Cross Country/Trail Mountain Bike

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USD 5,400.00 USD 9,040.00

Brand: Trek

Product Code: TR903307VTR

Availability: In Stock

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Product Description

2026 Trek Top Fuel 9.9 XTR Di2 Gen 4 Carbon SLR Cross Country/Trail Mountain Bike

The Top Fuel 9.9 XTR Di2 Gen 4 is a high-performance carbon trail bike designed for riders who demand agility on climbs and playfulness on descents. Built with a lightweight OCLV Mountain Carbon frame, it features a versatile 130mm/120mm suspension setup and the cutting-edge Shimano XTR Di2 wireless drivetrain. With the new 4-way Mino Link, you can fine-tune your geometry and suspension leverage rate to match your riding style, whether you're tackling long alpine climbs or fast XC singletrack.

Technical Specifications

Frame & Weight
Frame Material	OCLV Mountain Carbon
Frame Design	Gen 4 Carbon, Internal Storage (BITS system), Mino Link 4-way, ABP, UDH, 120 mm travel
Wheel Size	29" (Size S: 27.5")
Weight	11.88 kg / 26.2 lbs (Size M)
Suspension
Fork	Fox Factory 36 SL (M-XL) / RockShox Pike Ultimate (S), 130 mm travel
Rear Shock	Fox Factory Float, 2-position damper, 185 mm x 50 mm
Drivetrain (Electronic Shifting)
Rear Derailleur	Shimano XTR Di2 M9250, long cage, 12-speed
Shifters	Shimano XTR Di2 M9250, 12-speed
Crankset	E*thirteen TRS Race Carbon, 30T, 170 mm length
Cassette	Shimano XTR M9200, 10-51, 12-speed
Bottom Bracket	E*thirteen BB20-P, BSA threaded, 73 mm
Brakes & Cockpit
Brakeset	Shimano XTR M9220 4-piston hydraulic disc
Handlebars	Bontrager Line Pro, OCLV Carbon, 35 mm, 780 mm width
Stem	Bontrager Line Pro, 35 mm, Blendr-compatible, 35 mm length
Seatpost	Fox Transfer NEO (Wireless Electronic Dropper)
Saddle	Verse Short Pro, Carbon Rails, 145 mm width
Wheels & Tires
Wheels	Bontrager Line Pro 30, OCLV Mountain Carbon, Rapid Drive 108
Front Tire	Bontrager Montrose RSL XT (M-XL) / Gunnison RSL XT (S), 2.40"
Rear Tire	Bontrager Montrose RSL XT (M-XL) / Gunnison RSL XT (S), 2.40"

Detailed Specs & Fit

Adjustable Geometry: The 4-way Mino Link allows for independent adjustment of head angle and leverage rate.
Storage: Improved BITS integrated frame storage system for tools and spares.
Pedaling Efficiency: Optimized 120mm rear travel for a platform that climbs like an XC bike but descends like a trail bike.
Wireless Dropper: Equipped with the high-speed Fox Transfer NEO wireless post.
Carbon Construction: OCLV Next rocker link and SLR-tier carbon lay-up for maximum weight savings.

Size Guide

Size	Rider Height (cm)	Rider Height (ft/in)	Inseam (cm)	Inseam (in)
S	155 - 165 cm	5'1" - 5'5"	74 - 78 cm	29" - 31"
M	165 - 176 cm	5'5" - 5'9"	79 - 83 cm	31" - 33"
M/L	173 - 180 cm	5'8" - 5'11"	81 - 86 cm	32" - 34"
L	177 - 188 cm	5'10" - 6'2"	84 - 89 cm	33" - 35"
XL	188 - 195 cm	6'2" - 6'5"	89 - 91 cm	35" - 36"
2XL	195 - 203 cm	6'5" - 6'8"	91 - 97 cm	36" - 38"