Trek Top Fuel 9.8 GX AXS Gen 4 Bike 2025 Overview
Build
| Frame |
OCLV Mountain Carbon, internal storage, tapered head tube, internal guided routing, downtube guard, alloy rocker link, 4-way Mino Link, ABP, Boost148, 120mm travel BB Standard:Â BSA, 73mm, Threaded Hanger Standard:Â UDH Tire Clearance:Â 2.5″ Colors:Â Matte Dark Web; Lunar Silver |
|---|---|
| Fork |
RockShox Pike Select+, DebonAir spring, Charger 3.1 RC2 damper, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 130mm travel Travel:Â 130mm Spring Type:Â Air |
| Shock |
RockShox Deluxe Ultimate RCT, 185mm x 50mm Travel:Â 120mm |
| Bottom Bracket |
SRAM DUB MTB Wide, 73mm, BSA threaded |
| Saddle |
Verse Short Comp, steel rails, 145mm width |
| 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 Type:Â Dropper |
| Grips |
Bontrager XR Trail Elite, nylon lock-on |
Groupset
| Rear Derailleur |
SRAM GX Eagle AXS, T-Type |
|---|---|
| Crank |
SRAM GX Eagle, T-Type, DUB, 30T, 55mm chainline, 170mm length |
| Shifters |
SRAM AXS POD |
| Cassette |
SRAM Eagle XS-1275, T-Type, 10-52, 12 speed |
| Chain |
SRAM GX Eagle, T-Type, 12 speed |
| Brakes |
SRAM Level Bronze 4-piston hydraulic disc Type:Â Hydraulic Disc |
Wheels
| Rims |
Front: Size: S, Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 27.5”; Size: M, ML, L, XL, Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29”, Rear: Size: S, Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12mm thru axle, 27.5”; Size: M, ML, L, XL, Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12mm thru axle, 29” |
|---|---|
| Spokes |
14 g stainless steel, black |
| Tires |
Size: S, Bontrager Gunnison RSL XT, Tubeless Ready, triple compound, aramid bead, 120 tpi, 27.5×2.40”; Size: M, ML, L, XL, Bontrager Montrose RSL XT, Tubeless Ready, triple compound, aramid bead, 120 tpi, 29×2.40”; Size: M, ML, L, XL, Bontrager Gunnison RSL XT, Tubeless Ready, triple compound, aramid bead, 120 tpi, 29×2.40” |
| Disc Rotors |
SRAM CenterLine, 6-bolt, round edge, 180mm |
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