Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2020 Trek Top Fuel 8
Previous used estimate
$1,444 - $1,486
Actual value depends on condition, size, and local demand.
Value Guide market data · 2020 Trek Top Fuel 8
12-month projected trend
9%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2020 Trek Top Fuel 8
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▲ 412% vs. 2020
2025$7,259 - $7,468▲ 403% vs. 2020
2024$5,746 - $5,912▲ 298% vs. 2020
2023$3,560 - $3,663▲ 147% vs. 2020
2022$3,739 - $3,847▲ 159% vs. 2020
2021$3,063 - $3,151▲ 112% vs. 20202020$1,444 - $1,486Currently viewing
2019$1,149 - $1,182▼ 20% vs. 2020
2018$1,234 - $1,270▼ 15% vs. 2020Overview
About this bike
Top Fuel 8 fuses the lightweight efficiency of a cross country bike with the capability and forgiveness of a trail bike. It's quick, nimble, and dishes out serious fun on flow trails and techy descents alike, with a 120mm RockShox fork, 115mm of rear travel, and a dropper post for getting low on the rough stuff. This bike is fully capable of shredding singletrack, racing grueling endurance events, and even holds its own on the XC course. It's right for you if... You’re looking for a do-it-all full suspension mountain bike that balances efficiency with capability. You want to rip rough trails, do a couple XC races, and even test yourself with an endurance or stage race. The tech you get A lightweight Alpha Platinum Aluminum frame, 120mm RockShox Recon RL fork with Motion Control damper, 115mm of rear travel with a Fox Performance Float shock, and a 1x12 SRAM NX Eagle drivetrain. Plus, Shimano hydraulic disc brakes, TwistLoc dual remote suspension lockout, Bontrager Line Dropper, and Tubeless Ready Bontrager Kovee Comp 23 wheels. The final word Top Fuel 8 is an efficient, capable, and ridiculously fun short-travel full suspension trail bike. It's built to take on technical terrain, flowy XC courses, and the demands of endurance mountain bike races. Why you'll love it - This short-travel trail bike gives you a suspension setup that’s capable in several MTB disciplines, and especially suited to endurance events - TwistLoc simultaneously locks out front and rear shocks for climbs and sprints with the simple Grip Shift-like motion - Mino Link lets you make small adjustments to your geometry quickly and easily, even mid-ride - You get a Straight Shot down tube for extra stiffness in the rough and Knock Block frame defense to protect against spinning bars and fork crowns
Specifications
- Subtype
- Cross Country
- Category
- Mountain
- Component Fork
- RockShox Recon RL, Solo Air spring, Motion Control damper, TwistLoc remote, tapered steerer, 46mm offset, Boost110, 15mm Maxle Stealth, 120mm travel
- Component Size
- Small, Medium, Medium/Large, Large, X-Large, XX-Large
- Component Stem
- Bontrager Rhythm Comp, Knock Block, 31.8mm, 0 degree
- Product Family
- Top Fuel
- Component Axles
- Front: 110x15mm Rear: 148x12mm
- Component Chain
- SRAM NX Eagle, 12 speed
- Component Color
- Matte Trek Black/Gloss Viper Red, Purple Phaze/Dnister Black
- Component Frame
- Alpha Platinum Aluminum, tapered head tube, Knock Block, Control Freak internal routing, downtube guard, magnesium rocker link, Mino Link, ABP, Boost148, 115mm travel
- Component Brakes
- Shimano hydraulic disc, MT501 lever, MT500 caliper
- Component Saddle
- Bontrager Arvada, steel rails
- Component Headset
- Knock Block Integrated, cartridge bearing, 1-1/8" top, 1.5" bottom
- Component Cassette
- SRAM PG-1230 Eagle, 11-50, 12 speed
- Component Crankset
- SRAM NX Eagle, DUB, Boost
- Component Shifters
- SRAM NX Eagle, 12 speed
- Component Handlebar
- Bontrager Comp, alloy, 31.8mm, 15mm rise
- Component Seat Post
- Bontrager Line Dropper, internal routing, 31.6mm
- Component Chainrings
- 32T steel ring
- Component Front Tire
- Bontrager XR3 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120tpi, 29x2.40"
- Component Rear Shock
- Fox Performance Float, 2-postion DPS damper, TwistLoc remote, tuned by Trek Suspension Lab, 190x45mm
- Component Tape Grips
- SRAM TwistLoc
- Component Bottom Bracket
- SRAM DUB, 92mm, PressFit
- Component Rear Derailleur
- SRAM NX Eagle
- Rear Shock
- Fox Performance Float, 2-postion DPS damper, TwistLoc remote, tuned by Trek Suspension Lab, 190x45mm
- Crankset
- SRAM NX Eagle, DUB, Boost
- Bottom Bracket
- SRAM DUB, 92mm, PressFit
- Chain
- SRAM NX Eagle, 12 speed
- Saddle
- Bontrager Arvada, steel rails
- Handlebar
- Bontrager Comp, alloy, 31.8mm, 15mm rise
- Headset
- Knock Block Integrated, cartridge bearing, 1-1/8" top, 1.5" bottom
- Rear Derailleur
- SRAM NX Eagle
- Stem
- Bontrager Rhythm Comp, Knock Block, 31.8mm, 0 degree
- Axles
- Front: 110x15mm Rear: 148x12mm
- Brakes
- Shimano hydraulic disc, MT501 lever, MT500 caliper
- Cassette
- SRAM PG-1230 Eagle, 11-50, 12 speed
- Chainrings
- 32T steel ring
- Fork
- RockShox Recon RL, Solo Air spring, Motion Control damper, TwistLoc remote, tapered steerer, 46mm offset, Boost110, 15mm Maxle Stealth, 120mm travel
- Frame
- Alpha Platinum Aluminum, tapered head tube, Knock Block, Control Freak internal routing, downtube guard, magnesium rocker link, Mino Link, ABP, Boost148, 115mm travel
- Seat Post
- Bontrager Line Dropper, internal routing, 31.6mm
- Shifters
- SRAM NX Eagle, 12 speed
- Tape/Grips
- SRAM TwistLoc
- Color
- Purple Phaze/Dnister Black
- 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.