Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2020 Trek Top Fuel 9.9 XTR
Previous used estimate
$2,882 - $2,965
Actual value depends on condition, size, and local demand.
Value Guide market data · 2020 Trek Top Fuel 9.9 XTR
12-month projected trend
9%
Direction and magnitude, not judgment
vs. category average
9%
Drops faster than category avg
Price over time - 2020 Trek Top Fuel 9.9 XTR
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Top Fuel model years
2026$7,399 - $7,613▲ 157% vs. 2020
2025$7,259 - $7,468▲ 152% vs. 2020
2024$5,746 - $5,912▲ 99% vs. 2020
2023$3,560 - $3,663▲ 24% vs. 2020
2022$3,739 - $3,847▲ 30% vs. 2020
2021$3,063 - $3,151▲ 6% vs. 20202020$2,882 - $2,965Currently viewing
2019$1,149 - $1,182▼ 60% vs. 2020
2018$1,234 - $1,270▼ 57% vs. 2020Overview
About this bike
Top Fuel 9.9 is our top-of-the-line full suspension mountain bike for endurance racers and multi-discipline riders. This down-country rig is built with an OCLV Mountain Carbon frame and spec'd to the hilt with high-performance parts, including a FOX Factory 34 Step-Cast fork, a Shimano XTR drivetrain with carbon cranks, carbon wheels, and Shimano XTR brakes. Top Fuel 9.9 flies through singletrack and rips descents, but it really shines when pushed to its full potential during grueling endurance races. It's right for you if... You've set your sights on endurance racing, and want every lightweight and performance advantage. You're looking for an efficient yet trail-capable rig that's fast on flats, soaks up rough terrain, and keeps you going mile after brutal mile. The tech you get A full OCLV Mountain Carbon frame, top-of-the-line 120mm Fox Factory 34 Step-Cast Float fork with FIT4 damper, 115mm of rear travel with a FOX Factory Float shock, and a 1x12 Shimano XTR drivetrain with E*thirteen carbon cranks. Plus, wide carbon Bontrager Kovee Pro 30 wheels, TwistLoc dual remote suspension lockout, Bontrager Line Elite Dropper, Bontrager Kovee XXX OCLV Carbon handlebars, and Shimano XTR brakes. The final word The Top Fuel 9.9 is built for speed and capability on any terrain, but its efficient, short-travel design excels in endurance events. An OCLV Mountain Carbon frame, top-of-the-line suspension, and carbon components come together for a nimble and insanely fun ride at any distance. Why you'll love it - It’s the ultimate endurance race bike—light, capable, and trimmed with high-performance components - Wider Kovee Pro 30 wheels provide better tire support so you can run lower pressure and get more traction - TwistLoc simultaneously locks out front and rear shocks for climbs and sprints with the simple Grip Shift-like motion - This short-travel trail bike gives you a suspension setup that’s capable in several MTB disciplines, and especially suited to endurance events - Make it yours: it's fully customizable through Project One
Specifications
- Subtype
- Cross Country
- Category
- Mountain
- Component Fork
- Fox Factory 34 Step-Cast, Float EVOL air spring, FIT4 2-position damper, dual remote, tapered steerer, 44mm offset, Kashima Coat, Boost110, 15mm bolt-on axle, 120mm travel
- Component Size
- Small, Medium, Medium/Large, Large, X-Large, XX-Large
- Component Stem
- Bontrager Kovee Pro, 35mm, Knock Block, Blendr compatible, 13 degree
- Product Family
- Top Fuel
- Component Axles
- Front: 15x110mm Rear: 12x148mm
- Component Chain
- Shimano XTR M9100, 12 speed
- Component Color
- Matte Carbon/Gloss Trek Black, Trek Black to Teal Fade, Viper Red
- Component Frame
- OCLV Mountain Carbon main frame & stays, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armor, magnesium rocker link, Mino Link, ABP, Boost148, 115mm travel
- Component Brakes
- Shimano XTR M9100 hydraulic disc
- Component Saddle
- Bontrager Montrose Pro, 7x10mm carbon rails, 138mm width
- Component Headset
- Knock Block Integrated, sealed cartridge bearing, 1-1/8" top, 1.5" bottom
- Component Cassette
- Shimano XTR M9100, 10-51, 12 speed
- Component Crankset
- Shimano XTR 9120
- Component Shifters
- Shimano XTR M9100, 12 speed
- Component Handlebar
- Bontrager Line Pro, OCLV Carbon, 35mm, 15mm rise
- Component Seat Post
- Bontrager Line Elite Dropper, internal routing, 31.6mm
- Component Chainrings
- 32T
- Component Front Tire
- Bontrager XR3 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120tpi, 29x2.40"
- Component Rear Shock
- Fox Factory Float, 2-position DPS damper, TwistLoc remote, Kashima Coat, tuned by Trek Suspension Lab, 190x45mm
- Component Tape Grips
- SRAM TwistLoc
- Component Bottom Bracket
- Shimano XTR PF92
- Component Rear Derailleur
- Shimano XTR M9100, Shadow Plus, long cage, 51T max cog
- Rear Shock
- Fox Factory Float, 2-position DPS damper, TwistLoc remote, Kashima Coat, tuned by Trek Suspension Lab, 190x45mm
- Crankset
- Shimano XTR 9120
- Bottom Bracket
- Shimano XTR PF92
- Chain
- Shimano XTR M9100, 12 speed
- Saddle
- Bontrager Montrose Pro, 7x10mm carbon rails, 138mm width
- Handlebar
- Bontrager Line Pro, OCLV Carbon, 35mm, 15mm rise
- Headset
- Knock Block Integrated, sealed cartridge bearing, 1-1/8" top, 1.5" bottom
- Rear Derailleur
- Shimano XTR M9100, Shadow Plus, long cage, 51T max cog
- Stem
- Bontrager Kovee Pro, 35mm, Knock Block, Blendr compatible, 13 degree
- Axles
- Front: 15x110mm Rear: 12x148mm
- Brakes
- Shimano XTR M9100 hydraulic disc
- Cassette
- Shimano XTR M9100, 10-51, 12 speed
- Chainrings
- 32T
- Fork
- Fox Factory 34 Step-Cast, Float EVOL air spring, FIT4 2-position damper, dual remote, tapered steerer, 44mm offset, Kashima Coat, Boost110, 15mm bolt-on axle, 120mm travel
- Frame
- OCLV Mountain Carbon main frame & stays, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armor, magnesium rocker link, Mino Link, ABP, Boost148, 115mm travel
- Seat Post
- Bontrager Line Elite Dropper, internal routing, 31.6mm
- Shifters
- Shimano XTR M9100, 12 speed
- Tape/Grips
- SRAM TwistLoc
- Color
- Viper Red
- Size
- XX-Large
- Front Tire
- Bontrager XR3 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120tpi, 29x2.40"
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Suspension service
Confirm fork and rear shock service intervals and check pivot bearings for play.