2020 Trek Fuel EX

Specs, Comparisons, Reviews, Galleries

Red and black 2020 Trek Fuel EX 8 XT trail bike

Key Specs

Specifications for the Trek Fuel EX that are the most important to picking a mountain bike.
Specs Fuel EX 9.8 GX 2021 Fuel EX 8 XT Fuel EX 7
Price (USD)---
Rear Travel (mm)130140130
Front Travel (mm)160140160
Head Tube Angle666666
Seat Tube Angle67.57575
Wheel Size (in)---
Max Tire Width (in)---
Component Group---
Frame MaterialCarbonAluminum
Weight (kgs)131415
Components for each model of the Trek Fuel EX comes with.
ComponentFuel EX 9.8 GX 2021Fuel EX 8 XTFuel EX 7
Rear ShockFox Performance Float EVOL, RE:aktiv 3-position damper, tuned by Trek Suspension Lab, 7.75x2.125" 197x54Fox Performance Float EVOL, RE:aktiv 3-position damper, tuned by Trek Suspension Lab, 7.75x2.125" 197x54Fox Performance Float EVOL, RE:aktiv 3-position damper, tuned by Trek Suspension Lab, 7.75x2.125" 197x54
ForkFox Performance 36, Float EVOL air spring, GRIP damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt axle, 160mm travelFox Rhythm 34, Float EVOL air spring, GRIP damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt axle, 140 mm travelRockShox 35 Gold, DebonAir spring, Motion Control damper, tapered steerer, 44 mm offset, Boost110, 15 mm Maxle Stealth, 160 mm travel
TiresF: Bontrager XR4 Team Issue R: Bontrager XR4 Team IssueF: Bontrager XR4 Team Issue 2.6 R: Bontrager XR4 Team Issue 2.6F: Bontrager XR4 Team Issue 2.6 R: Bontrager XR4 Team Issue 2.6
WheelsetHubs: , Rims: Bontrager Line Elite 30Hubs: Bontrager Alloy Front, Bontrager Alloy Rear Rims: Bontrager Line Comp 30Hubs: Bontrager Alloy Front, Bontrager Alloy Rear Rims: Bontrager Line Comp 30
BrakesSRAM G2 RS null pistonsShimano Deore M6000 null pistonsShimano hydraulic disc null pistons
RotorsF: SRAM CenterLine 180 R: SRAM CenterLine 200F: Shimano RT66 180 R: Shimano RT66 203F: Shimano RT56 180 R: Shimano RT56 180
StemBontrager Line ProBontrager LineBontrager Rhythm Comp
HandlebarsBontrager Line Pro 35x820Bontrager Line 35x820Bontrager Alloy 31.8
Shift LeversShimano XT M8100, 12-speedSRAM NX Eagle, trigger, 12-speed
GripsBontrager XR Trail EliteBontrager XR Trail Comp
SaddleBontrager Arvada, hollow chromoly rails, 138 mm widthBontrager Arvada, hollow chromoly rails, 138 mm widthBontrager Arvada, hollow chromoly rails, 138 mm width
SeatpostBontrager Line Dropper 31.6 mmSize: S TranzX JD-YSP18, 100 mm travel, internal routing, 31.6 mm, 361 mm length Size: M, M/L, L, XL TranzX JD-YSP18, 130mm travel, internal routing, 31.6 mm, 425 mm length
Bottom BracketSRAM DUB 92 mm PressFitShimano MT500, 92 mm, PressFitSRAM DUB 92 mm PressFit
CassetteSRAM XG-1275 Eagle 10-50tShimano XT M8100SRAM PG-1230 Eagle
ChainSRAM GX EagleShimano SLX M7100SRAM NX Eagle
CranksetSize: XS , S SRAM GX Eagle, DUB, 30T alloy ring, Boost, 170 mm length Size: M , ML , L , XL SRAM GX Eagle, DUB, 30T alloy ring, Boost, 175 mm lengthSize: XS , S Shimano XT M8100, 32T alloy ring, Boost, 170 mm length Size: M , ML , L , XL , XXL Shimano XT M8100, 32T alloy ring, Boost, 175 mm lengthSize: S SRAM NX Eagle, DUB, 32T steel ring, Boost, 170 mm length Size: M, M/L, L, XL SRAM NX Eagle, DUB, 32T steel ring, Boost, 175 mm length
Rear DerailleurSRAM GX EagleShimano XT M8100SRAM NX Eagle
Geometry numbers for each Trek Fuel EX, the fit, feel, & handling.
Geometry Fuel EX 9.8 GX 2021 Fuel EX 8 XT Fuel EX 7
SizeMD 29MD 29MD 29
Reach (mm)440440440
Top Tube Length (mm)603603603
Stack (mm)609608608
Wheelbase (mm)117911791179
Chainstay Length (mm)437437437
BB Drop (mm)343434
BB Height (mm)340339339
Head Tube Angle - High (degrees)66.566.566.5
Head Tube Angle (degrees)666666
Seat Tube Angle (degrees)67.57575
Seat Tube Angle - High (degrees)6875.575.5
Head Tube Length (mm)100100100
Bike Standover Height (mm)741742742
Fork Rake Offset (mm)434343
Fork Trail (mm)119119119