Trek Top Fuel 8
TREK
Top Fuel 8 Gen 4 is a nimble alloy trail bike that strikes a balance between quick climbing efficiency and descending confidence. It packs in a versatile 130mm front and 120mm rear travel for ripping over rocks and roots without sacrificing power on ascents. It's built from lightweight Alpha Platinum Aluminum that helps save your budget for bike trips, but packs in upgrades where they matter, like a 12-speed Shimano XT and SLX drivetrain, and a Fox Rhythm 34 fork.
| Frame | Alpha Platinum Aluminum, internal storage, tapered head tube, internal guided routing, downtube guard, alloy rocker link, 4-way Mino Link, ABP, Boost148, 120mm travel |
|---|---|
| Fork | Fox Rhythm 34, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt axle, 130mm travel |
| Shock | Fox Performance Float DPS, 2-position damper, 185mm x 50mm |
| Max compatible fork travel | 140mm |
| *Wheel front | Size: S Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 27.5'' |
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| Size: M, ML, L, XL Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29'' | |
| *Wheel rear | Size: S Bontrager Line Comp 30, High Strength 6000 Series Aluminum rim, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle, 27.5'' |
| Size: M, ML, L, XL Bontrager Line Comp 30, High Strength 6000 Series Aluminum rim, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle, 29'' | |
| Skewer rear | Bontrager Switch thru axle, removable lever |
| *Tire | Size: S Bontrager Gunnison Pro XR, Tubeless Ready, wire bead, 60 tpi, 27.5x2.40'' |
| Size: M, ML, L, XL Bontrager Gunnison Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.40'' | |
| Tire part | Bontrager TLR sealant, 6oz |
| Max tire size | Frame: 29x2.50", Fork: See manufacturer |
| Shifter | Shimano XT M8100, 12 speed |
|---|---|
| Rear derailleur | Shimano XT M8100, long cage |
| Crank | Shimano Deore M6120, 30T ring, 55mm chainline, 170mm length |
| Bottom bracket | Shimano BB-MT501 BSA |
| Cassette | Shimano SLX M7100, 10-51T, 12 speed |
| Chain | Shimano SLX M7100, 12 speed |
| Max chainring size | 1x: 34T, min 30T |
| Saddle | Bontrager Verse P3, chromoly rails |
|---|---|
| *Seatpost | Size: S Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 34.9mm, 310mm length |
| Size: M, ML, L, XL Bontrager Line Dropper, 170mm travel, MaxFlow, internal routing, 34.9mm, 450mm length | |
| Handlebar | Bontrager Line, alloy, 35mm, 27.5mm rise, 780mm width |
| Grips | Bontrager XR Trail Comp, nylon lock-on |
| Stem | Bontrager Elite, 35mm, 0 degree, 45mm length |
| Brake | Shimano 4-piston hydraulic disc, M6100 lever, M6120 caliper |
| Brake rotor | Shimano RT66, 6-bolt, 180mm |
| Rotor size | Max brake rotor sizes - Frame: 200mm, min 180mm, Fork: see fork manufacturer |
| Weight | M - 14.58 kg / 32.15 lbs (with TLR sealant, no tubes) |
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- Availability: In Stock
- Model: 5319313
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Brand:
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Reviews
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JB
Justin brayton 03/16/2025 Verified purchase
The suspension system provides an incredibly smooth ride, allowing me to tackle any terrain with ease. Whether I'm climbing steep hills or cruising downhill, the bike performs flawlessly. The lightweight frame makes it easy to maneuver, and the components are of high quality, ensuring durability and reliability.
One of my favorite features is the responsive handling; it feels like the bike is an extension of myself. The 29-inch wheels provide excellent traction and stability, making every ride enjoyable.
Overall, I couldn't be happier with my purchase of the Trek Top Fuel 8. It’s a fantastic bike for both casual rides and more challenging trails. Highly recommended for anyone looking for a versatile and high-performance mountain bike!
