Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2023 Trek Top Fuel 8 XT
Estimated used market value
$2,187 - $2,250
Actual value depends on condition, size, and local demand.
Value Guide market data · 2023 Trek Top Fuel 8 XT
12-month projected trend
14%
Direction and magnitude, not judgment
vs. category average
3%
Drops faster than category avg
Price over time - 2023 Trek Top Fuel 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▲ 238% vs. 2023
2025$7,259 - $7,468▲ 232% vs. 2023
2024$5,746 - $5,912▲ 163% vs. 20232023$2,187 - $2,250Currently viewing
2022$3,739 - $3,847▲ 71% vs. 2023
2021$3,063 - $3,151▲ 40% vs. 2023
2020$3,371 - $3,468▲ 54% vs. 2023
2019$1,149 - $1,182▼ 47% vs. 2023
2018$1,234 - $1,270▼ 44% vs. 2023Overview
About this bike
Top Fuel 8 fuses the speed of a cross country bike with the capability and forgiveness of a full suspension trail bike. It's quick, nimble, and dishes out serious fun on flow trails and techy descents alike.
Specifications
- Subtype
- Cross Country
- Category
- Mountain
- Component Fork
- Rock Shox Front Fork Pike RC, 29, 130mm, Rush RC Damper, Tapered 1.5'' Mountain Standard Steer, 44mm Offset, Boost 110, 15mm Maxle Stealth, Black, SRAM Part Number 00.4020.664.015
- Component Stay
- Trek Chainstay Top Fuel 29 2023 Aluminum, 148x12 OLD, 29x2.4'' Max Tire Size, Paint Match Gloss Mercury
- Component Stem
- Bontrager Elite 35 Stem O-degree 45mm Length for Knock Block and 35.0mm handlebars
- Component Tire
- Bontrager Tire XR4 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29x2.40''
- Product Family
- Top Fuel
- Component Armor
- Trek Armor Full Suspension Seatstay Brake Hose Rub Protector, clear adhesive paint rub guard
- Component Brake
- Shimano Deore Brake Set. Item Number: BL-M6100(R) - BR-M6120(R), Resin Pad (without Fin), Post Mount, Hose: SM-BH90-SS, Hose length: 1700mm, Compatible brake pads: D02S (Metal pad), D03S (Resin pad). (Visit si.shimano.com for compatibility, manuals and exploded views)
- Component Chain
- Shimano SLX Chain. Item Number: M7100, 12-Speed, With Quick Link (Visit si.shimano.com for compatibility, manuals and exploded views)
- Component Cover
- Trek Storage Door Top Fuel 29 2023 painted cover with assembled lever & latch mechanism, no bottle cage, Paint Match Gloss Mercury and Anodized Black Lever
- Component Crank
- Shimano DEORE Crankset. Item Number: FC-M6120-1, 1x, 12-Speed, 30T, 170mm, HollowTech 2, Without Chainguard (Visit si.shimano.com for compatibility, manuals and exploded views)
- Component Decal
- Stick-On Trek Shield Headtube Badge, Black
- Component Grips
- Bontrager Grips XR Trail Comp Black
- Component Shock
- Rock Shox Rear Shock Deluxe Ultimate RCT, 185mm x 50mm, 54mm Standard Trunnion Mount Upper Width, 30mm x 8mm Pin Mount Lower Width, SRAM Part Number 00.4118.346.103
- Component Valve
- Bontrager TLR Valve, 50mm, Black
- Component Saddle
- Bontrager Saddle Arvada Steel Rails Medium Black
- Component Headset
- Trek Headset Knock Block with 72-Degree Turning Radius First Used on Slash 29 2021 with Display Tabs on Frame Chip
- Component Shifter
- Shimano Deore XT Shifter. Item Number: SL-M8100-R, 12-Speed, Rapidfire Plus, Inner Cable Length: 2050mm, Without Optical Gear Display. (Visit si.shimano.com for compatibility, manuals and exploded views)
- Component Cassette
- Shimano SLX Cassette. Item Number: CS-M7100, 12-Speed, 10-12-14-16-18-21-24-28-33-39-45-51T. (Visit si.shimano.com for compatibility, manuals and exploded views)
- Component Brake Pad
- Brake Pad, Shimano D-Series Shape : CONFIRM COMPATIBILITY BEFORE USE. BRAKE SPEC IS SUBJECT TO SUBSTITUTION AND MAY VARY.
- Component Handlebar
- Bontrager Line, 35x750mm, 27.5mm Rise
- Component Rim Strip
- Bontrager Rim Strip Line 29 Symmetrical
- Component Tire Part
- Bontrager TLR Tire Sealant 6 oz. Bottle
- Component Rear Wheel
- Bontrager Line Comp 30 Boost TLR 29'' Rear Wheel, 28H, 6-bolt Disc, 12mm Thru Axle, Black/Black
- Component Brake Rotor
- Shimano SLX Rotor. Item Number: SM-RT66-M, 180mm, 6-Bolt. (Visit si.shimano.com for compatibility, manuals and exploded views)
- Component Front Wheel
- Bontrager Line Comp 30 Boost TLR 29'' Front Wheel, 28H, 6-bolt Disc, 15mm Thru Axle, Black/Black
- Component Seat Collar
- Bontrager Seat Collar 39.7mm For MTBs with 34.9mm Seatposts
- Component Headset Part
- Bontrager Headset Top Cap for Knock Block Black
- Component Seatpost Part
- Bontrager Line Dropper Composite Lever, with standard clamp
- Component Bottom Bracket
- Shimano Bottom Bracket Deore BB-MT501, Item Number: ABBMT501B, Threaded BSA Standard for 68/73mm frames, (Visit si.shimano.com for compatibility, manuals and exploded views)
- Component Touch Up Paint
- Paint Color: Gloss Mercury, TK014-M
- Component Rear Derailleur
- Shimano Deore XT Derailleur Rear. Item Number: RD-M8100, 12-Speed, Direct Attachment, SGS Cage, Max 51T, Shadow Plus design. (Visit si.shimano.com for compatibility, manuals and exploded views)
- Component Suspension Link
- Trek Rocker Link Top Fuel 29 2023 Magnesium, Paint Match Gloss Mercury
- Component Cable Housing Set
- Bontrager Shift Housing 4mm Diameter, Black
- Component Derailleur Hanger
- SRAM Derailleur Hanger Universal Derailleur Hanger, with 30mm Diameter Washer for Trek ABP Full Suspension Models
- Bottom Bracket
- Shimano Bottom Bracket Deore BB-MT501, Item Number: ABBMT501B, Threaded BSA Standard for 68/73mm frames, (Visit si.shimano.com for compatibility, manuals and exploded views)
- Chain
- Shimano SLX Chain. Item Number: M7100, 12-Speed, With Quick Link (Visit si.shimano.com for compatibility, manuals and exploded views)
- Saddle
- Bontrager Saddle Arvada Steel Rails Medium Black
- Handlebar
- Bontrager Line, 35x750mm, 27.5mm Rise
- Headset
- Trek Headset Knock Block with 72-Degree Turning Radius First Used on Slash 29 2021 with Display Tabs on Frame Chip
- Rear Derailleur
- Shimano Deore XT Derailleur Rear. Item Number: RD-M8100, 12-Speed, Direct Attachment, SGS Cage, Max 51T, Shadow Plus design. (Visit si.shimano.com for compatibility, manuals and exploded views)
- Stem
- Bontrager Elite 35 Stem O-degree 45mm Length for Knock Block and 35.0mm handlebars
- Cassette
- Shimano SLX Cassette. Item Number: CS-M7100, 12-Speed, 10-12-14-16-18-21-24-28-33-39-45-51T. (Visit si.shimano.com for compatibility, manuals and exploded views)
- Fork
- Rock Shox Front Fork Pike RC, 29, 130mm, Rush RC Damper, Tapered 1.5'' Mountain Standard Steer, 44mm Offset, Boost 110, 15mm Maxle Stealth, Black, SRAM Part Number 00.4020.664.015
- Shifter
- Shimano Deore XT Shifter. Item Number: SL-M8100-R, 12-Speed, Rapidfire Plus, Inner Cable Length: 2050mm, Without Optical Gear Display. (Visit si.shimano.com for compatibility, manuals and exploded views)
- Rear Wheel
- Bontrager Line Comp 30 Boost TLR 29'' Rear Wheel, 28H, 6-bolt Disc, 12mm Thru Axle, Black/Black
- Front Wheel
- Bontrager Line Comp 30 Boost TLR 29'' Front Wheel, 28H, 6-bolt Disc, 15mm Thru Axle, Black/Black
- Brake
- Shimano Deore Brake Set. Item Number: BL-M6100(R) - BR-M6120(R), Resin Pad (without Fin), Post Mount, Hose: SM-BH90-SS, Hose length: 1700mm, Compatible brake pads: D02S (Metal pad), D03S (Resin pad). (Visit si.shimano.com for compatibility, manuals and exploded views)
- Cable Housing Set
- Bontrager Shift Housing 4mm Diameter, Black
- Crank
- Shimano DEORE Crankset. Item Number: FC-M6120-1, 1x, 12-Speed, 30T, 170mm, HollowTech 2, Without Chainguard (Visit si.shimano.com for compatibility, manuals and exploded views)
- Decal
- Stick-On Trek Shield Headtube Badge, Black
- Grips
- Bontrager Grips XR Trail Comp Black
- Rim Strip
- Bontrager Rim Strip Line 29 Symmetrical
- Seat Collar
- Bontrager Seat Collar 39.7mm For MTBs with 34.9mm Seatposts
- Tire
- Bontrager Tire XR4 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29x2.40''
- Touch-Up Paint
- Paint Color: Gloss Mercury, TK014-M
- Armor
- Trek Armor Full Suspension Seatstay Brake Hose Rub Protector, clear adhesive paint rub guard
- Brake Rotor
- Shimano SLX Rotor. Item Number: SM-RT66-M, 180mm, 6-Bolt. (Visit si.shimano.com for compatibility, manuals and exploded views)
- Cover
- Trek Storage Door Top Fuel 29 2023 painted cover with assembled lever & latch mechanism, no bottle cage, Paint Match Gloss Mercury and Anodized Black Lever
- Derailleur Hanger
- SRAM Derailleur Hanger Universal Derailleur Hanger, with 30mm Diameter Washer for Trek ABP Full Suspension Models
- Headset Part
- Bontrager Headset Top Cap for Knock Block Black
- Tire Part
- Bontrager TLR Tire Sealant 6 oz. Bottle
- Valve
- Bontrager TLR Valve, 50mm, Black
- Seatpost Part
- Bontrager Line Dropper Composite Lever, with standard clamp
- Brake Pad
- Brake Pad, Shimano D-Series Shape : CONFIRM COMPATIBILITY BEFORE USE. BRAKE SPEC IS SUBJECT TO SUBSTITUTION AND MAY VARY.
- Shock
- Rock Shox Rear Shock Deluxe Ultimate RCT, 185mm x 50mm, 54mm Standard Trunnion Mount Upper Width, 30mm x 8mm Pin Mount Lower Width, SRAM Part Number 00.4118.346.103
- Stay
- Trek Chainstay Top Fuel 29 2023 Aluminum, 148x12 OLD, 29x2.4'' Max Tire Size, Paint Match Gloss Mercury
- Suspension Link
- Trek Rocker Link Top Fuel 29 2023 Magnesium, Paint Match Gloss Mercury
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.