The 2021 Trek Fuel EX 9.8 GX is a 27.5″ / 29″ carbon frame full suspension trail bike with high-end components.
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1 × 12 — 12 speed
The Fuel EX 9.8 GX is easier to ride up hills than similar bikes.
The Fuel EX 9.8 GX is geared about the same as similar bikes for riding downhill.
Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more. Learn more
Frame | OCLV Mountain Carbon main frame & stays, internal storage, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armor, ISCG 05, magnesium rocker link, Mino Link, ABP, Boost148, 130mm travel |
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Fork | Fox Performance 36, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt axle, 140mm travel |
Rear Shock | Fox Performance Float EVOL, RE:aktiv with Thru Shaft 3-position damper, tuned by Trek Suspension Lab, 210mm x 55mm |
Bottom Bracket | SRAM DUB, 92mm, PressFit |
Headset | Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8'' top, 1.5'' bottom |
Stem | Bontrager Line Pro, 35mm, Knock Block, Blendr compatible, 0 degree, 45mm length |
Handlebar | Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 780mm width |
Saddle | Bontrager Arvada, austenite rails, 138mm width |
Seatpost | Bontrager Line Elite, 100mm travel, MaxFlow, internal routing, 31.6mm, 340mm length |
Grips | Bontrager XR Trail Elite, nylon lock-on |
Rear Derailleur | SRAM GX Eagle |
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Crank | SRAM GX Eagle, DUB, 30T alloy ring, Boost (52mm chainline), 175mm length |
Shifters | SRAM GX Eagle, 12 speed |
Cassette | SRAM Eagle XG-1275, 10-52, 12 speed |
Chain | SRAM GX Eagle, 12 speed |
Brakes | SRAM G2 RS 4-piston hydraulic disc |
Rims | NEW Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle |
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Front Hub | Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15mm thru axle |
Rear Hub | Bontrager alloy, sealed bearing, 6-bolt, 108T Rapid Drive, SRAM XD driver, Boost148, 12mm thru axle |
Tires | Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29x2.40'' |
Disk Rotors | SRAM CenterLine, 6-bolt, round edge, 180mm |