Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
Previous used estimate
$3,063 - $3,151
Actual value depends on condition, size, and local demand.

12-month projected trend
6%
Direction and magnitude, not judgment
vs. category average
9%
Drops faster than category avg
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
Top Fuel 9.9 XX1 AXS pulls out all the stops. This full suspension carbon mountain bike is built with the latest in fully wireless components like a SRAM XX1 Eagle AXS drivetrain and RockShox Reverb AXS dropper. It's also spec'd with high-end RockShox suspension and lots of carbon—including the wheels, bars, and shift levers. It's right for you if... You want fun. All of it. But you’re also serious about speed, and want a bike that's spec'd accordingly. You're looking for a quick down-country shredder that's fast on flats, soaks up rough terrain, and has the latest in fully wireless electronic components. The tech you get A full carbon frame, super-plush 120mm RockShox Pike Ultimate fork with a Charger 2 RC2 damper that gives you more adjustment. 115mm of rear travel with a RockShox Deluxe Ultimate shock, and a fully wireless SRAM XX1 Eagle AXS drivetrain. Plus, wide carbon Bontrager Kovee Pro 30 wheels with a 108-tooth Rapid Drive hub for instant engagement, wireless RockShox Reverb AXS dropper, and SRAM Level Ultimate brakes with carbon levers. The final word The best of the best. You get all the fast down-country fun you can handle, with all of the latest and greatest in suspension and wireless drivetrain tech. Why you'll love it - The SRAM XX1 Eagle AXS drivetrain is smart, smooth, and completely wireless - This short-travel bike has a killer suspension setup reminiscent of the all-mighty mullet—it's both efficient and ready to party - Bontrager DropLock's shifter-style lever lets you easily lock out both front and rear shocks at the same time for added sprinting or climbing efficiently - Make it yours: it's fully customizable through Project One - Wider Kovee Pro 30 wheels provide better tire support so you can run lower pressure and get more traction
Inspection
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Inspection
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Confirm fork and rear shock service intervals and check pivot bearings for play.