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Description

Trek Top Fuel 9.9 XO AXS Gen 4 2025The Top Fuel 9. 9 X0 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 wireless X0 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

The tech you get

You love to spin through the city and want an e-bike that can handle all that comes your way

M/LBontrager Line Elite Dropper

MBontrager Satellite Plus IsoZone

ride like a pro

An integrated LED display and handlebar remote that are easy to use on the fly

heat treated for strength and durability

Internal cable routing and an integrated cockpit provides premium looks and a clean aesthetic

The motor quietly blends in with the elements

this tee is perfect for riding on or off the trails and relaxing when you're done

RockShox ZEB Ultimate

Versatility matters to you