Trek Top Fuel 8 Gen 4 Mountain Bike 2025

The Top Fuel 8 offers an ideal combination of speed and control, ready to tackle any terrain with ease. With a full suspension setup that combines power and agility, it’s an ideal choice for long rides and challenging descents. If you want to maximize your performance and have the most fun possible, the Top Fuel 8 is the perfect bike.

Colours: Matte Dark Web

• Frame Alpha Platinum Aluminium, internal storage, tapered head tube, Knock Block 2.0, internal guided routing, downtube guard, magnesium rocker link, Mino Link, ABP, Boost148, 120 mm travel
• Fork Fox Rhythm 34, Float EVOL air spring, GRIP damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt axle, 130 mm travel
• Shock Fox Performance Float DPS, 3-position damper, 185 mm x 50 mm
• Wheel front Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 29"
  
• Wheel rear Bontrager Line Comp 30, Tubeless-Ready, Rapid Drive 54, 6-bolt, Boost148, 12 mm thru axle
  
• Skewer rear Bontrager Switch thru-axle, removable lever
  
• Tyre Bontrager Gunnison Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.40"
  Tyre part Bontrager TLR sealant, 180 ml/6 oz
  Rim strip Bontrager TLR
• 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 SLX M7100, 10-51, 12-speed
• Chain Shimano SLX M7100, 12-speed
• Saddle Bontrager Verse P3, chromoly rails
• *Seatpost
• Size: S Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 34.9 mm, 310mm length
• Size: M, M/L XXL Bontrager Line Dropper, 170 mm travel, MaxFlow, internal routing, 34.9 mm, 450 mm length
• Handlebar Bontrager Line, alloy, 35 mm, 27.5 mm rise, 780 mm width
• Grips Bontrager XR Trail Comp, nylon lock-on
• Stem Bontrager Elite, 35 mm, 0-degree, 45 mm length
• Brake Shimano 4-piston hydraulic disc, M6100 lever, M6120 calliper
• Brake rotor Shimano RT66, 6-bolt, 180 mm
• Weight M - 14.26 kg / 31.44 lbs (with TLR sealant, no tubes)