The 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 130 mm front and 120 mm rear travel for ripping over rocks and roots without sacrificing power on ascents. It's built from lightweight Alpha Platinum Aluminium 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.
It's right for you if...You want an alloy full suspension that's ready to rip. You like to ride everything from cross-country hot laps to all-mountain adventures, and you need a bike that's light, versatile and confident. You've got an appreciation for the durability of aluminium, but want upgrades where they matter, like your drivetrain and suspension.
The tech you getAn Alpha Platinum Aluminium frame equipped with a 4-way Mino Link lower shock mount for tweaking geometry and suspension leverage rate. A 130 mm FOX Rhythm 34 fork with Float EVOL air spring and GRIP damper, plus 120 mm of rear travel from a FOX Performance Float shock with a 3-position damper. It's topped off with a Shimano XT/SLX 12-speed group set, hydraulic disc brakes, a Bontrager Line dropper post and Tubeless Ready Bontrager Line Comp 30 wheels.
The final wordThe Top Fuel 8 Gen 4 is ready to cut loose from all-day climbs to rooty descents. It balances capability and efficiency, with just enough travel to keep the ride smooth without eating up your pedalling power. It gives you the perfect blend of affordability, with a rugged alloy frame and upgrades where they matter, like the Shimano XT/SLX drivetrain.
Key Features & Benefits:
- Hydraulic Disc Brakes:Accurate and powerful braking capacity to keep you in control in all weather conditions.
- Frame Storage:The Alpha Platinum Aluminium frame is robust, yet light, and packs in updated internal frame storage for easy access to gear and snacks
- Mino Link:4-way Mino Link makes it easy to adjust your geometry or leverage rate for how and where you want to ride
Full Specification:
- Frame:Alpha Platinum Aluminium, internal storage, tapered head tube, internal guided routing, downtube guard, OCLV Next rocker link, Mino 4 link, ABP, Boost148, 120 mm travel
- Rear Shock:Fox Performance Float DPS, 3-position damper, 185 mm x 50 mm
- Fork:Fox Rhythm 34, Float EVOL air spring, GRIP damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt axle, 130 mm travel
- Number of Gears:12
- Gear Shifters:Shimano XT M8100, 12-speed
- Chainset:Shimano Deore M6120, 30T ring, 55 mm chainline, 170 mm length
- Chainrings:30T
- Rear Cassette:Shimano SLX M7100, 10-51T, 12-speed
- Chain:Shimano SLX M7100, 12-speed
- Rear Derailleur:Shimano XT M8100, long cage, 51T max cog
- Bottom Bracket:Shimano BB-MT501 BSA
- Pedals:Not supplied:Shop pedals here
- Rims:Bontrager TLR
- Front Hub:Size: S - Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 27.5", Size: M, ML, L, XL - Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 29"
- Rear Hub:Bontrager Line Comp 30, Tubeless-Ready, Rapid Drive 54, 6-bolt, Boost148, 12 mm thru axle
- Front Tyre: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"
- Rear Tyre: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"
- Brakes:Shimano 4-piston hydraulic disc, M6100 lever, M6120 calliper, Shimano RT66, 6-bolt, 180 mm
- Handlebars:Bontrager Line, alloy, 35 mm, 27.5 mm rise, 780 mm width
- Handlebar Grips:Bontrager XR Trail Comp, nylon lock-on
- Stem:Bontrager Elite, 35 mm, 0-degree, 45 mm length
- Saddle:Bontrager Verse P3, chromoly rails
- Seatpost:Size: S - Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 34.9 mm, 310mm length, Size: M, ML, L, XL - Bontrager Line Dropper, 170 mm travel, MaxFlow, internal routing, 34.9 mm, 450 mm length
- Weight:M - 14.58 kg / 32.15 lbs (with TLR sealant, no tubes), This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).