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DESCRIPTION
Fuel EX 8 is the ideal trail bike for riders who want a versatile full suspension ripper that makes soul-crushing climbs less painful, but can also huck rowdy trails. It hits the sweet spot of value and performance in our mountain bike line-up by combining high-end parts with a stout but light alloy frame, and 130 mm rear/140 mm front suspension for plenty of trail capability.
SPECIFICATION
*Please note – spec applies to all sizes unless listed separately
| Frame | Alpha Platinum Aluminium, tapered head tube, Knock Block, Control Freak internal routing, downtube guard, ISCG 05, magnesium rocker link, Mino Link, ABP, Boost148, 130 mm travel |
|---|---|
| Fork | Fox Rhythm 34, Float EVOL air spring, GRIP damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt axle, 140 mm travel |
| *Shock | Size: XS , S Fox Performance Float EVOL, 3-position RE:aktiv damper, tuned by Trek Suspension Lab, 210 mm x 52.5 mm |
| Size: M , ML Fox Performance Float EVOL, 3-position RE:aktiv damper, tuned by Trek Suspension Lab, 210 mm x 55 mm | |
| Max compatible fork travel | 150mm (561mm axle-to-crown) |
| *Wheel front | Size: XS , S Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 27.5" |
|---|---|
| Size: M , ML Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 29" | |
| *Wheel rear | Size: XS , S Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 54, 6-bolt, Boost148, 12 mm thru axle, 27.5" |
| Size: M , ML Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12 mm thru axle, 29" | |
| Skewer rear | Bontrager Switch thru-axle, removable lever |
| *Tyre | Size: XS , S Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 60 tpi, 27.5 x 2.50" |
| Size: M , ML Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 60 tpi, 29x2.50" | |
| Tyre part | Bontrager TLR sealant, 180 ml/6 oz |
| Rim strip | Bontrager TLR |
| Max tyre size | Frame: 29x2.60", Fork: See manufacturer |
| Shifter | Shimano XT M8100, 12-speed |
|---|---|
| Rear derailleur | Shimano XT M8100, long cage |
| Crank | Shimano SLX M7100, 30T alloy ring, 52 mm chainline, 170 mm length |
| Bottom bracket | Shimano MT500, 92 mm, PressFit |
| Cassette | Shimano XT M8100, 10-51, 12-speed |
| Chain | Shimano SLX M7100, 12-speed |
| Max. chainring size | 1x: 34T |
| Saddle | Bontrager Arvada, hollow chromoly rails, 138 mm width |
|---|---|
| *Seatpost | Size: XS , S Bontrager Line Dropper, 100 mm travel, internal routing, 31.6 mm, 345 mm length |
| Size: M , ML Bontrager Line Dropper, 150 mm travel, internal routing, 31.6 mm, 440mm length | |
| *Handlebar | Size: XS , S Bontrager Line, alloy, 35 mm, 27.5 mm rise, 750 mm width |
| Size: M , ML Bontrager Line, alloy, 35 mm, 27.5 mm rise, 780 mm width | |
| Grips | Bontrager XR Trail Elite, nylon lock-on |
| *Stem | Size: XS , S Bontrager Elite, 35 mm, 0-degree, 35 mm length |
| Size: M , ML Bontrager Elite, 35 mm, 0-degree, 45 mm length | |
| Head set | Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8" top, 1.5" bottom |
| *Brake | Size: XS , S , M , ML Shimano 4-piston hydraulic disc, MT4100 lever, MT420 calliper |
| Size: XS , S Shimano hydraulic disc, MT4100 lever, MT420 4-piston calliper | |
| *Brake rotor | Size: XS , S , M , ML Shimano RT66, 6-bolt, 180 mm |
| Size: M , ML Shimano RT66, 6-bolt, 203 mm |
| Weight | M - 13.86 kg/30.56 lb (with TLR sealant, no tubes) |
|---|---|
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb). |
**Trek Bikes reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.
Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.
SIZING
| Size | Rider Height | Inseam |
|---|---|---|
| XS | 145 - 155 cm 4'9" - 5'1" | 69 - 73 cm 27" - 29" |
| 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" |
| ML | 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" |
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