Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2023 Trek Top Fuel 9.8 XT
Estimated used market value
$3,103 - $3,192
Actual value depends on condition, size, and local demand.
Value Guide market data · 2023 Trek Top Fuel 9.8 XT
12-month projected trend
10%
Direction and magnitude, not judgment
vs. category average
6%
Drops faster than category avg
Price over time - 2023 Trek Top Fuel 9.8 XT
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▲ 138% vs. 2023
2025$7,259 - $7,468▲ 134% vs. 2023
2024$5,746 - $5,912▲ 85% vs. 20232023$3,103 - $3,192Currently viewing
2022$3,739 - $3,847▲ 21% vs. 2023
2021$3,063 - $3,151▼ 1% vs. 2023
2020$3,371 - $3,468▲ 9% vs. 2023
2019$1,149 - $1,182▼ 63% vs. 2023
2018$1,234 - $1,270▼ 60% vs. 2023Overview
About this bike
Top Fuel 9.8 is a full suspension carbon mountain bike for riders who don't settle. Not for parts nor for one style of riding. It combines a high-end component package with a low-weight carbon frame for one unbelievably fun rig that's fast on flow and fun to ride on techy singletrack.
Specifications
- Subtype
- Cross Country
- Category
- Mountain
- Component Fork
- RockShox Pike Select+, DebonAir spring, Charger 3 RC2 damper, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 130mm travel
- Component Hubs
- Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15mm thru axle
- Component Size
- Small, Medium, Medium/Large, Large, X-Large
- Component Stem
- Bontrager Line Pro, 35mm, Knock Block, Blendr compatible, 0 degree, 45mm length
- Product Family
- Top Fuel
- Component Chain
- Shimano Ultegra/XT M8100, 12 speed
- Component Color
- Satin Baja Yellow, Matte Raw Carbon, Pennyflake
- Component Frame
- OCLV Mountain Carbon, internal storage, tapered head tube, Knock Block 2.0, internal guided routing, downtube guard, magnesium rocker link, Mino Link, ABP, Boost148, 120mm travel
- Component Brakes
- Shimano XT M8120 4-piston hydraulic disc // Shimano XT M8120 4-piston hydraulic disc
- Component Rotors
- Shimano RT76, 6-bolt, 160mm // Shimano RT76, 6-bolt, 180mm
- Component Saddle
- Bontrager Arvada, austenite rails, 138mm width
- Component Headset
- Knock Block 2.0 Integrated, 72-degree radius (includes infinite-radius chip), sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom
- Component Crankset
- Shimano XT M8120, 30T, 55mm chainline, 170mm length
- Component Seatpost
- Bontrager Line Elite Dropper, 100mm travel, MaxFlow, internal routing, 34.9mm, 345mm length
- Component Shifters
- Shimano XT M8100, 12 speed
- Component Handlebar
- Bontrager Line Pro, OCLV Carbon, 35mm, 15mm rise, 750mm width
- Component Rear Tire
- Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120tpi, 29x2.40''
- Component Front Tire
- Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120tpi, 29x2.40''
- Component Rear Shock
- RockShox Deluxe Ultimate RCT, 185mm x 50mm
- Component Tape Grips
- Bontrager XR Trail Elite, nylon lock-on
- Component Wheel Size
- 29-inch
- Component Bottom Bracket
- Shimano BB-MT501 BSA
- Component Rear Derailleur
- Shimano XT M8100, long cage
- Component Cassette Freewheel
- Shimano XT M8100, 10-51, 12 speed
- Rear Shock
- RockShox Deluxe Ultimate RCT, 185mm x 50mm
- Hubs
- Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15mm thru axle
- Crankset
- Shimano XT M8120, 30T, 55mm chainline, 170mm length
- Bottom Bracket
- Shimano BB-MT501 BSA
- Chain
- Shimano Ultegra/XT M8100, 12 speed
- Seatpost
- Bontrager Line Elite Dropper, 100mm travel, MaxFlow, internal routing, 34.9mm, 345mm length
- Saddle
- Bontrager Arvada, austenite rails, 138mm width
- Handlebar
- Bontrager Line Pro, OCLV Carbon, 35mm, 15mm rise, 750mm width
- Headset
- Knock Block 2.0 Integrated, 72-degree radius (includes infinite-radius chip), sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom
- Rear Derailleur
- Shimano XT M8100, long cage
- Rear Tire
- Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120tpi, 29x2.40''
- Stem
- Bontrager Line Pro, 35mm, Knock Block, Blendr compatible, 0 degree, 45mm length
- Brakes
- Shimano XT M8120 4-piston hydraulic disc // Shimano XT M8120 4-piston hydraulic disc
- Fork
- RockShox Pike Select+, DebonAir spring, Charger 3 RC2 damper, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 130mm travel
- Frame
- OCLV Mountain Carbon, internal storage, tapered head tube, Knock Block 2.0, internal guided routing, downtube guard, magnesium rocker link, Mino Link, ABP, Boost148, 120mm travel
- Shifters
- Shimano XT M8100, 12 speed
- Tape/Grips
- Bontrager XR Trail Elite, nylon lock-on
- Color
- Pennyflake
- Size
- X-Large
- Wheel Size
- 29-inch
- Cassette/Freewheel
- Shimano XT M8100, 10-51, 12 speed
- Rotors
- Shimano RT76, 6-bolt, 160mm // Shimano RT76, 6-bolt, 180mm
- Front Tire
- Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, 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.