Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2019 Trek Top Fuel 8
Previous used estimate
$1,149 - $1,182
Actual value depends on condition, size, and local demand.
Value Guide market data · 2019 Trek Top Fuel 8
12-month projected trend
15%
Direction and magnitude, not judgment
vs. category average
2%
Holds value better than category avg
Price over time - 2019 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▲ 544% vs. 2019
2025$7,259 - $7,468▲ 532% vs. 2019
2024$5,746 - $5,912▲ 400% vs. 2019
2023$3,560 - $3,663▲ 210% vs. 2019
2022$3,739 - $3,847▲ 225% vs. 2019
2021$3,063 - $3,151▲ 167% vs. 2019
2020$3,371 - $3,468▲ 193% vs. 20192019$1,149 - $1,182Currently viewing
2018$1,234 - $1,270▲ 7% vs. 2019Overview
About this bike
Top Fuel 8 is a high-performance, high-value full suspension cross country mountain bike. It's built for speed and efficiency in rough singletrack and XC races. A lightweight Alpha Aluminum frame, a 1x12 drivetrain, and Tubeless Ready wheels make it a great choice for new racers, fast singletrack riders, and anyone who wants to ride fast on trails without breaking the bank. It's right for you if... You're new to XC mountain biking and want the speed and efficiency of a full suspension bike. Or, you want an upgrade in performance over your hardtail and want a serious amount of smart racer spec for your money. The tech you get A lightweight Alpha Platinum Aluminum frame, a 100mm RockShox Recon RL fork, FOX rear shock, and a TwistLoc dual remote suspension lockout. Plus, a 1x12 SRAM NX Eagle drivetrain, Shimano MT500 hydraulic disc brakes, and Boost148/110 Tubeless Ready Bontrager Kovee Comp 23 wheels. The final word Top Fuel 8 is a performance full suspension XC bike at a great value. A lightweight aluminum frame, a great suspension package, and a solid parts group add up to a fast ride that can't be beaten for this price. Why you'll love it - Top Fuel 8 gets you into the world of fast XC riding and racing at a great value - More than fast, it's also capable: Top Fuel 8 is great for racing and can double as a light trail bike on more rugged terrain - TwistLoc simultaneously locks out front and rear shocks for climbs and sprints with the simple Grip Shift-like motion - Internal cable routing opens the door for upgrades like a dropper post
Specifications
- Subtype
- Cross Country
- Category
- Mountain
- Component Fork
- RockShox Recon RL, Solo Air, Motion Control damper, TwistLoc remote lockout, tapered steerer, Boost110, G2 Geometry w/51mm offset on 29ers, 100mm travel
- Component Size
- 15.5-inch, 17.5-inch, 18.5-inch, 19.5-inch, 21.5-inch
- Component Stem
- Bontrager Elite, 31.8mm, 7 degree
- Product Family
- Top Fuel
- Component Axles
- Front: Boost 110mmRear: Boost 148
- Component Chain
- SRAM NX Eagle
- Component Color
- Matte Trek Black
- Component Frame
- Alpha Platinum Aluminum, ABP, Full Floater, EVO link, tapered head tube, Mino Link, MicroTruss, internal derailleur and dropper post routing, down tube guard, PF92, Boost148, G2 Geometry on 29ers, 100mm travel
- Component Brakes
- Shimano MT500 hydraulic disc
- Component Saddle
- Bontrager Montrose Comp
- Component Headset
- FSA IS-2, 1-1/8" top, 1.5" bottom
- Component Cassette
- SRAM XG-1230 Eagle, 11-50, 12 speed
- Component Crankset
- SRAM NX Eagle DUB
- Component Shifters
- SRAM NX Eagle, 12 speed
- Component Handlebar
- Bontrager alloy, 31.8mm, 5mm rise, 720mm width
- Component Seat Post
- Bontrager Rhythm Elite, 31.6mm, 0mm offset
- Component Chainrings
- 32T Direct Mount
- Component Front Tire
- Bontrager XR2 Team Issue, Tubeless Ready, 120 tpi, aramid bead, 29x2.20" (13.5 & 15.5: 27.5x2.20")
- Component Rear Shock
- Fox Performance Float DPS, 2-position remote, tuned by Trek Suspension Lab, 6.5x1.5"
- Component Wheel Size
- 27.5-inch, 29-inch
- Component Brake Levers
- Shimano MT500
- Component Bottom Bracket
- SRAM DUB Press Fit, 92mm
- Component Rear Derailleur
- SRAM NX Eagle
- Rear Shock
- Fox Performance Float DPS, 2-position remote, tuned by Trek Suspension Lab, 6.5x1.5"
- Crankset
- SRAM NX Eagle DUB
- Bottom Bracket
- SRAM DUB Press Fit, 92mm
- Chain
- SRAM NX Eagle
- Saddle
- Bontrager Montrose Comp
- Handlebar
- Bontrager alloy, 31.8mm, 5mm rise, 720mm width
- Headset
- FSA IS-2, 1-1/8" top, 1.5" bottom
- Rear Derailleur
- SRAM NX Eagle
- Stem
- Bontrager Elite, 31.8mm, 7 degree
- Axles
- Front: Boost 110mmRear: Boost 148
- Brake Levers
- Shimano MT500
- Brakes
- Shimano MT500 hydraulic disc
- Cassette
- SRAM XG-1230 Eagle, 11-50, 12 speed
- Chainrings
- 32T Direct Mount
- Fork
- RockShox Recon RL, Solo Air, Motion Control damper, TwistLoc remote lockout, tapered steerer, Boost110, G2 Geometry w/51mm offset on 29ers, 100mm travel
- Frame
- Alpha Platinum Aluminum, ABP, Full Floater, EVO link, tapered head tube, Mino Link, MicroTruss, internal derailleur and dropper post routing, down tube guard, PF92, Boost148, G2 Geometry on 29ers, 100mm travel
- Seat Post
- Bontrager Rhythm Elite, 31.6mm, 0mm offset
- Shifters
- SRAM NX Eagle, 12 speed
- Color
- Matte Trek Black
- Size
- 21.5-inch
- Wheel Size
- 29-inch
- Front Tire
- Bontrager XR2 Team Issue, Tubeless Ready, 120 tpi, aramid bead, 29x2.20" (13.5 & 15.5: 27.5x2.20")
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.