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Top Fuel 8 Gen 4

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Make the Top Fuel yours - Opt for light parts and a 120 mm fork for a featherweight Top Fuel, or a 140 mm fork and longer-stroke 130 mm rear shock for extra versatility. Room for a longer dropper and MX wheels lets you customise the Top Fuel into an ultimate playful trail whip. Specification
Frame
OCLV Mountain Carbon, internal storage, tapered head tube, internal guided routing, downtube guard, alloy rocker link, 4-way Mino Link, ABP, Boost148, 120 mm - 130 mm travel OCLV Mountain Carbon, internal storage, tapered head tube, internal guided routing, downtube guard, alloy rocker link,
CARBON

Top Fuel 8 is a nimble alloy trail bike that strikes a balance between quick climbing efficiency and descending confidence. With 140mm front and 130mm rear travel, it rips 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 Eagle 70 drivetrain and a Fox Rhythm 34 fork.

TechnologyRim Size

Make the Top Fuel yours - Opt for light parts and a 120 mm fork for a featherweight Top Fuel, or a 140 mm fork and longer-stroke 130 mm rear shock for extra versatility. Room for a longer dropper and MX wheels lets you customise the Top Fuel into an ultimate playful trail whip.

27.5

Specification

FrameFork Alpha Platinum Aluminium, internal storage, tapered head tube, internal guided routing, downtube guard, alloy rocker link, 4-way Mino Link, ABP, Boost148, 120 mm - 130 mm travel Alpha Platinum Aluminum, internal storage, tapered head tube, internal guided routing, downtube guard, alloy rockerRockShox
Wheels Fox Rhythm 34, Float EVOL air spring, GRIP damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt axle, 140 mm travel Fox Rhythm 34, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110,Bontrager Line Pro 30
RearsuspensionTires FoxBontrager Gunnison RSL XT, Tubeless-Ready, triple compound, aramid bead, 120 tpi, 27.5x2.40"
Suspension RearShifter Fox Performance Float, 2-position damper, 185 mm x 55 mmShimano
TiresDerailleur Rear Bontrager Gunnison Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.40"Shimano XTR Di2 M9250, long cage
Hub FrontCrank Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axleE*thirteen TRS Race Carbon, 30T, 55 mm chain line, 170 mm length
Hub RearBottom Bracket Bontrager alloy, sealed bearing, 6-bolt, Rapid Drive 108, Shimano freehub, Boost148, 12 mm thru axleE*thirteen BB20-P, BSA threaded, 73 mm width
RimsCassette Bontrager Line TLR 30, Tubeless-Ready, 28-hole, Presta valveShimano XTR M9200, 10-51, 12-speed
ShifterBrake SRAMShimano
Derailleur RearBrakeset SRAM Eagle 70, T-TypeShimano XTR M9220 4-piston hydraulic disc // Shimano XTR M9220 4-piston hydraulic disc Shimano XTR M9220 4-piston hydraulic disc // Shimano XTR M9220 4-piston hydraulic disc
CrankBrake Rotor SRAM Eagle 70, DUB, 30T steel, T-Type, 55 mm chainline, 170 mm lengthShimano MT905, 6-bolt, 180 mm
Bottom BracketSaddle SRAM DUB MTB Wide, 73 m, BSA threadedVerse Short Pro, carbon rails, 145 mm width
CassetteSeatpost SRAM Eagle XS-1270, T-Type,10-52, 12-speedFox Transfer NEO, 150 mm travel, 34.9 mm
ChainHandlebar SRAM Eagle 70, T-Type, 12-speedBontrager Line Pro, OCLV Carbon, 35 mm, 27.5 mm rise, 780 mm width