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 get
An 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 word
The 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.
Why you'll love it
****NOTE: This bike is available for purchase online, but must
be picked up from an approved store.| 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 |
| 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, 2-position damper, 185 mm x 50 mm |
| max compatible fork travel | 140 mm |
| wheel front | Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle 29" (S - 27.5") |
| wheel rear | Bontrager Line Comp 30, High Strength 6000 Series Aluminium rim, Tubeless-Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline freehub, Boost148, 12 mm thru axle 29" (S - 27.5") |
| skewer rear | Bontrager Switch thru-axle, removable lever |
| tyre | Bontrager Gunnison Pro XR, Tubeless-Ready, wire bead, 60 tpi, 29x2.40" (S - 27.5x2.40") |
| tyre part | Bontrager TLR sealant, 180 ml/6 oz |
| max tyre 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, 55 mm chainline, 170 mm 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 | Bontrager Line Dropper, S - 100mm travel / M, ML, L, XL - 170 mm travel, MaxFlow, internal routing, 34.9 mm |
| 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 |
| rotor size | Max brake rotor sizes – Frame - 200 mm, min 180 mm, Fork - see fork manufacturer |
| bag | Bontrager BITS Internal Frame Storage Bag |
| weight | M - 14.58 kg / 32.15 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). |
| Frame Material | Alloy |
| Fork Material | Suspension |
| Brake Type | Hydraulic Disc Brake |
| Groupset Brand | Shimano |
| Groupset Model | XT |
| Fork Brand | Fox |
| Fork Travel | 101 - 120mm |
| Shock Travel | 101 - 120mm |
| Shifting Type | Mechanical |
| Pedals Included | No |
| Drivetrain Gearing | 1 x 12 |
| Ride Style | Trail |
| 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 |
| 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, 2-position damper, 185 mm x 50 mm |
| Max compatible fork travel | 140 mm |
| Wheel Front | Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle 29" (S - 27.5") |
| Wheel Rear | Bontrager Line Comp 30, High Strength 6000 Series Aluminium rim, Tubeless-Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline freehub, Boost148, 12 mm thru axle 29" (S - 27.5") |
| Skewer rear | Bontrager Switch thru-axle, removable lever |
| Tyre | Bontrager Gunnison Pro XR, Tubeless-Ready, wire bead, 60 tpi, 29x2.40" (S - 27.5x2.40") |
| Tyre part | Bontrager TLR sealant, 180 ml/6 oz |
| MAX TYRE 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, 55 mm chainline, 170 mm 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 | Bontrager Line Dropper, S - 100mm travel / M, ML, L, XL - 170 mm travel, MaxFlow, internal routing, 34.9 mm |
| 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 |
| Rotor size | Max brake rotor sizes – Frame - 200 mm, min 180 mm, Fork - see fork manufacturer |
| BAG | Bontrager BITS Internal Frame Storage Bag |
| Weight | M - 14.58 kg / 32.15 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). |
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* All specifications listed are subject to change without notice. Please note that our specifications may be impacted by manufacturer component substitution changes caused by high global demand for bikes and resulting supply chain issues in the bike industry. We recommend confirming the specifications with your local Evo Cycles showroom if you have any questions.
Bike Weight: Many brands strive to list the lowest possible weight, but in reality weight can vary based on frame size, finish, hardware and accessories. The most accurate way to determine any bike's weight is to have your local showroom weigh it for you.
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