The Top Fuel 9.9 XX AXS Gen 4 is an ultra-light and capable carbon trail bike that's built for soaring up climbs and rallying over miles of singletrack. This top-level build delivers the performance you want, with a RockShox Ultimate suspension package (120 mm/130 mm) and SRAM's lightest wireless XX AXS transmission that shifts smooth and easy, especially under load. It's topped off with carbon wheels to keep your ride light from top to bottom.
It's right for you if...You want the best carbon trail bike with all-mountain capability, climbing efficiency and components to match. You don't mind spending a little extra to get the ultra-lightweight benefits of SRAM's XX AXS wireless transmission and an upgraded RockShox Ultimate suspension package is a must.
The tech you getAn OCLV Mountain Carbon frame with a 4-way Mino Link lower shock mount for tweaking geometry and suspension leverage rate. A 130 mm RockShox Pike Ultimate fork with DebonAir spring, and Charger 3.1 RC2 damper, plus 120 mm of rear travel from a RockShox Deluxe Ultimate RCT shock. An ultra-light wireless SRAM XX AXS transmission, SRAM Level Ultimate 4-piston hydraulic brakes, RockShox Reverb AXS dropper post and tubeless-ready Bontrager Line Pro 30 carbon wheels.
The final wordWhen you're after the best all-mountain carbon ride, reach for the Top Fuel 9.9 XX AXS Gen 4. With an ultra-light frame, carbon wheels and SRAM XX wireless transmission, it delivers everything you want on dirt. Plus, it's built with a 4-way Mino Link lower suspension mount for taking control of your geometry and suspension feel.
Key Features & Benefits:
- Carbon Fibre Frame:The Top Fuel Gen 4 delivers with an intensely lightweight build
- Frame Storage:In-frame storage with an improved BITS bag system makes it easy to stash tools, tubes and snacks
- Wireless Transmission:Ultra-clean shifting thanks to the ultra-lightweight SRAM XX AXS wireless transmission
Full Specification:
- Frame:OCLV Mountain Carbon, internal storage, tapered head tube, internal guided routing, downtube guard, OCLV Next rocker link, Mino 4 link, ABP, Boost148, 120 mm travel
- Rear Shock:RockShox Deluxe Ultimate RCT, 185 mm x 50 mm
- Fork:RockShox Pike Ultimate fork 130 mm with DebonAir spring and Charger 3.1 RC2 damper
- Number of Gears:12
- Gear Shifters:SRAM AXS
- Chainset:SRAM XX Eagle, DUB, 30T, T-Type, 55mm chainline, 170 mm length
- Chainrings:30T
- Rear Cassette:SRAM Eagle XS-1299, T-Type, 10-52, 12-speed
- Chain:SRAM XX Eagle, T-Type, 12-speed
- Rear Derailleur:SRAM XX SL Eagle AXS, T-Type
- Bottom Bracket:SRAM DUB MTB Wide, 73 m, BSA threaded
- Pedals:Not supplied:Shop pedals here
- Rims:Bontrager TLR
- Front Hub:Size: S - Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15 mm thru-axle, 27.5", Size: M, ML, L, XL - Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15 mm thru-axle, 29"
- Rear Hub:Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless-Ready, Rapid Drive 108, 6-bolt, Boost148, 12 mm thru axle
- Front Tyre:Size: S - Bontrager Gunnison RSL XT, Tubeless-Ready, triple compound, aramid bead, 120 tpi, 27.5x2.40", Size: M, ML, L, XL - Bontrager Montrose RSL XT, Tubeless-Ready, triple compound, aramid bead, 120 tpi, 29x2.40"
- Rear Tyre:Size: S - Bontrager Gunnison RSL XT, Tubeless-Ready, triple compound, aramid bead, 120 tpi, 27.5x2.40", Size: M, ML, L, XL - Bontrager Montrose RSL XT, Tubeless-Ready, triple compound, aramid bead, 120 tpi, 29x2.40"
- Brakes:SRAM Level Ultimate 4-piston hydraulic disc
- Handlebars:Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5 mm handlebar rise, 820 mm width, 0-degree stem rise, 45 mm (35 mm for Small) stem length
- Stem:Bontrager RSL Integrated, see handlebars
- Saddle:Verse Short Pro, carbon rails, 145 mm width
- Seatpost:Size: S - RockShox Reverb AXS, 100 mm travel, wireless, 34.9 mm, 340 mm length, Size: M, ML, L, XL - RockShox Reverb AXS, 170 mm travel, wireless, 34.9 mm, 480 mm length
- Weight:M - 12.85 kg / 28.33 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).