Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2021 Trek Top Fuel 7 SX
Value Guide market data · 2021 Trek Top Fuel 7 SX
12-month trend
12%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2021 Trek Top Fuel 7 SX
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Top model years
2025$7,905 - $9,180▲ 6% vs. 2021
2024$3,069 - $3,564▼ 59% vs. 2021
2023$7,440 - $8,6400% vs. 2021
2021$7,440 - $8,640Currently viewing
2020$9,300 - $10,800▲ 25% vs. 2021
2019$8,184 - $9,504▲ 10% vs. 2021
2018$8,370 - $9,720▲ 13% vs. 20212017$8,370 - $9,720▲ 13% vs. 2021
2016$8,370 - $9,720▲ 13% vs. 2021
2012$7,812 - $9,072▲ 5% vs. 2021
2011$7,421 - $8,6180% vs. 2021
2010$6,836 - $7,938▼ 8% vs. 2021
2009$6,138 - $7,128▼ 17% vs. 2021
2008$6,138 - $7,128▼ 17% vs. 2021
2007$6,324 - $7,344▼ 15% vs. 20212021 Top Fuel 7 SX lineup
Overview
About this bike
2021 Trek Top Fuel 7 SX value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Rear Shock
- X-Fusion Pro 2, 190x45mm
- Fork
- RockShox Judy SL, Solo Air spring, Motion Control damper, tapered steerer, 42mm 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
Drivetrain
- Groupset
- 2021 Trek Top Fuel 7 SX
- Crankset
- SRAM SX Eagle, DUB, Boost (52mm chainline), 170/175mm length
- Bottom Bracket
- SRAM DUB, 92mm, PressFit
- Chain
- SRAM SX Eagle, 12 speed
- Rear Derailleur
- SRAM SX Eagle
- Cassette/Rear Cogs
- SRAM PG-1210 Eagle, 11-50, 12 speed
- Chainrings
- 32T steel ring
- Shifters
- SRAM SX Eagle, 12 speed
Brakes
- Brakes
- Shimano MT200 hydraulic disc<br>Front: Shimano RT26, 180mm, 6-bolt<br>Rear: Shimano RT26, 160mm, 6-bolt
Cockpit
- 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, 60/70mm length
- Handlebars
- Bontrager Comp, alloy, 31.8mm, 15mm rise, 750mm width
- Seat Post
- TranzX JD-YSP18, 100/130mm travel, internal routing, 31.6mm, 361/425mm length
Wheels & Tires
- Hubs
- Front: Bontrager alloy, sealed bearing, alloy axle, 6-bolt<br>Rear: 6-bolt, Shimano 10 freehub
- Tires
- Bontrager XR3 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120tpi, 29x2.40'', Bontrager TLR valve, 50mm
- Axles
- Front: Boost 110 x 15mm thru-axle<br>Rear: Boost 148 x 12mm thru-axle
Accessories
- Rims/Wheels
- Bontrager Kovee Comp 23, Tubeless Ready
- Color
- Factory Orange/Trek Black / Lithium Grey/Trek Black
Weight & Sizing
- Size
- Small / Medium / Medium/Large / Large / X-Large / XX-Large
Frame sizing
XS4'10"-5'2"
S5'2"-5'6"
M5'6"-5'10"
L5'10"-6'2"
XL6'2"-6'6"
M highlighted as most common resale size. Sourced from catalog metadata.
Geometry
- Stack
- Varies by size
- Reach
- Varies by size
- Wheelbase
- Varies by size
Industry standard. Sourced from catalog metadata.
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Wheel condition
Inspect rims, hubs, spokes, and bearing play; ask about the tire age and any prior wheel rebuilds.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Suspension service
Confirm fork lowers and rear shock service intervals; ask for the most recent service receipts.
Inspection
Frame pivots & bearings
Cycle the suspension off the bike to feel for play, grit, or noise in pivot bearings.