Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2021 Trek Fuel EX 7 Gen 5
Previous used estimate
$1,396 - $1,436
Actual value depends on condition, size, and local demand.
Value Guide market data · 2021 Trek Fuel EX 7 Gen 5
12-month projected trend
12%
Direction and magnitude, not judgment
vs. category average
1%
Drops faster than category avg
Price over time - 2021 Trek Fuel EX 7 Gen 5
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Fuel model years
Overview
About this bike
Fuel EX 7 shines when you're charging down tricky descents, where the upgraded suspension package comes in handy. A lightweight aluminum frame, tubeless ready wheels, and a reliable 1x12 SRAM NX Eagle drivetrain make this an awesome all-around full suspension mountain bike. It's right for you if... You want one bike that's fun to ride on every trail, and you want upgraded parts, like a smoother DebonAir spring fork and a completely tubeless setup for less weight and more traction. The tech you get A light yet stiff alloy frame, a 140mm RockShox fork with a DebonAir spring for better small-bump compliance, and a FOX shock. A 1x12 SRAM NX Eagle drivetrain with a wide gear range. Plus, Bontrager Line Comp 30 wheels with tubeless tires and a dropper post. The final word Fuel EX 7 is a great all-around trail bike for a wide variety of terrain. It has upgrades where it matters most, like the suspension, drivetrain, and tubeless ready Bontrager wheels. Why you'll love it - You get more traction and control with upgraded parts you won't outgrow right away as your skills progress - You're getting a solid trail bike that's ready for anything you are - The dropper post lets you lower your saddle on the fly so it's out of the way on descents - Wide Line Comp 30 wheels provide more tire support so you get better traction and control - We expanded our size range to ensure a better fit for all riders. And, you get the fastest wheel that fits your frame: XS frames get 27.5-inch wheels, S frames get to choose between 27.5-inch or 29-inch, and sizes M to XL get 29-inch wheels
Specifications
- Subtype
- Trail / Enduro
- Category
- Mountain
- Component Fork
- RockShox 35 Gold RL, DebonAir spring, Motion Control damper, lockout, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 140mm travel
- Component Size
- X-Small, Small, Medium, Medium/Large, Large, X-Large, XX-Large
- Component Stem
- Bontrager Rhythm Comp, 31.8mm, Knock Block, 0 degree, 50mm length
- Product Family
- Fuel
- Component Axles
- Front: 110 x 15mm Rear: 148 x 12mm
- Component Chain
- SRAM NX Eagle, 12 speed
- Component Color
- Trek Black/Radioactive Red, Dark Aquatic/Trek Black
- Component Frame
- Alpha Platinum Aluminum, tapered head tube, Knock Block, Control Freak internal routing, downtube guard, ISCG 05, magnesium rocker link, Mino Link, ABP, Boost148, 130mm travel
- Component Tires
- X-Small - Small: Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 27.5x2.40'' Medium - XX-Large: Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29x2.40''
- Component Brakes
- Shimano hydraulic disc, MT4100 lever, MT410 caliper
- Component Saddle
- Bontrager Arvada, steel rails, 138mm width
- Component Headset
- Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8'' top, 1.5'' bottom
- Component Crankset
- SRAM NX Eagle, DUB
- Component Shifters
- SRAM NX Eagle, 12 speed
- Component Seat Post
- TranzX JD-YSP18
- Component Chainrings
- 30T
- Component Handlebars
- Bontrager alloy, 31.8mm, 15mm rise, 750mm width
- Component Rear Shock
- Fox Performance Float EVOL, 3-position DPS damper, tuned by Trek Suspension Lab
- Component Tape Grips
- Bontrager XR Trail Comp, nylon lock-on
- Component Wheel Size
- 27.5-inch, 29-inch
- Component Bottom Bracket
- SRAM DUB, 92mm, PressFit
- Component Cassette Rear Cogs
- SRAM PG-1230 Eagle, 11-50, 12 speed
- Rear Shock
- Fox Performance Float EVOL, 3-position DPS damper, tuned by Trek Suspension Lab
- Tires
- X-Small - Small: Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 27.5x2.40'' Medium - XX-Large: Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29x2.40''
- Crankset
- SRAM NX Eagle, DUB
- Bottom Bracket
- SRAM DUB, 92mm, PressFit
- Chain
- SRAM NX Eagle, 12 speed
- Saddle
- Bontrager Arvada, steel rails, 138mm width
- Headset
- Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8'' top, 1.5'' bottom
- Stem
- Bontrager Rhythm Comp, 31.8mm, Knock Block, 0 degree, 50mm length
- Axles
- Front: 110 x 15mm Rear: 148 x 12mm
- Brakes
- Shimano hydraulic disc, MT4100 lever, MT410 caliper
- Chainrings
- 30T
- Fork
- RockShox 35 Gold RL, DebonAir spring, Motion Control damper, lockout, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 140mm travel
- Frame
- Alpha Platinum Aluminum, tapered head tube, Knock Block, Control Freak internal routing, downtube guard, ISCG 05, magnesium rocker link, Mino Link, ABP, Boost148, 130mm travel
- Handlebars
- Bontrager alloy, 31.8mm, 15mm rise, 750mm width
- Seat Post
- TranzX JD-YSP18
- Shifters
- SRAM NX Eagle, 12 speed
- Tape/Grips
- Bontrager XR Trail Comp, nylon lock-on
- Color
- Dark Aquatic/Trek Black
- Size
- XX-Large
- Wheel Size
- 29-inch
- Cassette/Rear Cogs
- SRAM PG-1230 Eagle, 11-50, 12 speed
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.