Trek Fuel EX 8 XT Gen 6 Mountain Bike 2025

This full-suspension trail bike is designed for riders seeking a smooth ride over rough and technical terrain. Boasting a FOX Rhythm fork that expertly handles roots and a 12-speed Shimano XT drivetrain, this bike is built for high performance.

A durable and rigid alloy frame paired with a 150 mm FOX Rhythm fork featuring a Float EVOL air spring and GRIP damper for smooth small bump absorption, as well as a FOX Performance Float X rear shock. The Shimano XT 12-speed drivetrain ensures efficient shifting while the Tubeless-Ready Bontrager wheels deliver reliable performance. Additionally, the adjustable geometry allows you to customize your riding experience.

Designed for trail riders looking for unlimited options, the Fuel EX 8 is equipped to handle any terrain. With a progressive trail geometry, you'll stay in control while pushing your limits, and top-of-the-line components only add to the experience.

• Frame Alpha Platinum Aluminium, internal storage, angle-adjust headset, Mino Link adjustable geometry, adjustable leverage rate, guided internal routing, magnesium rocker link, 34.9 mm seat tube, ISCG 05, 55 mm chain line, BSA 73, downtube guard, shuttle guard, ABP, UDH, Boost148, 140 mm travel
  
• *Fork    
• Size: XS , S Fox Rhythm 36, Float EVOL air spring, GRIP damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt axle, 140 mm travel
  
• Size: M , ML , L , XL , XXL Fox Rhythm 36, Float EVOL air spring, GRIP damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt axle, 150 mm travel
  
• Shock Fox Performance Float X, 2-position damper, 185 mm x 55 mm
  
• *Wheel front    
• Size: XS , S Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 27.5"
  
• Size: M , ML , L , XL , XXL 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 108, 6-bolt, Boost148, 12 mm thru axle, 27.5"
  
• Size: M , ML , L , XL , XXL 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: XS , S Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 60 tpi, 27.5x2.50"
  
• Size: M , ML , L , XL , XXL Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 60 tpi, 29x2.50"
  
• Tyre part Bontrager TLR sealant, 180 ml/6 oz
  
• Shifter Shimano XT M8100, 12-speed
  
• Rear derailleur Shimano XT M8100, long cage
  
• Crank Shimano Deore M6120, 30T ring, 55 mm chainline, 170 mm length
  
• Bottom bracket Shimano BB-MT501 BSA
  
• Cassette Shimano XT M8100, 10-51, 12-speed
  
• Chain Shimano SLX M7100, 12-speed
  
• *Saddle    
• Size: XS , S , M , ML , L , XL , XXL Bontrager Verse P3, chromoly rails
  
• Size: XS , S , M , ML , L , XL , XXL Bontrager Arvada, hollow chromoly rails, 138 mm width
  
• *Seatpost    
• Size: XS , S TranzX JD-YSP39, 100 mm travel, internal routing, 34.9 mm
  
• Size: XS , S Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 34.9 mm, 310mm length
  
• Size: M , ML TranzX JD-YSP39, 150 mm travel, internal routing, 34.9 mm
  
• Size: M , ML Bontrager Line Dropper, 150mm travel, MaxFlow, internal routing, 34.9 mm, 410 mm length
  
• Size: L , XL , XXL TranzX JD-YSP39, 170 mm travel, internal routing, 34.9 mm
  
• Size: L , XL , XXL Bontrager Line Dropper, 170 mm travel, MaxFlow, internal routing, 34.9 mm, 450 mm length
  
• *Handlebar  
• Size: XS , S Bontrager Line, alloy, 35 mm, 27.5 mm rise, 750 mm width
  
• Size: M , ML , L , XL , XXL 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 , L , XL , XXL Bontrager Elite, 35 mm, 0-degree, 45 mm length
  
• Brake Shimano 4-piston hydraulic disc, M6100 lever, M6120 calliper
  
• *Brake rotor    
• Size: XS , S , M , ML , L , XL , XXL Shimano RT66, 6-bolt, 203 mm
  
• Size: XS , S , M , ML , L , XL , XXL Shimano RT66, 6-bolt, 180 mm
  
• Weight M - 15.91 kg / 35.08 lbs (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).