Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2023 Trek Marlin 7 Gen 3
Previous used estimate
$300 - $308
Actual value depends on condition, size, and local demand.
Value Guide market data · 2023 Trek Marlin 7 Gen 3
12-month projected trend
11%
Direction and magnitude, not judgment
vs. category average
25%
Drops faster than category avg
Price over time - 2023 Trek Marlin 7 Gen 3
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Marlin model years
Overview
About this bike
Marlin 7 is your best friend on the trail and wherever else you roll thanks to its confidence-boosting trail geometry. It finds the perfect balance between price and performance with an upgraded RockShox suspension fork that makes quick work of rocks and bumps in your path, and precise Shimano Deore shifting.
Specifications
- Subtype
- Cross Country
- Category
- Mountain
- Component Fork
- Size: XS , S - RockShox Judy, coil spring, preload, TurnKey lockout, 42mm offset for 27.5'' wheel, 100mm QR, 100mm travel | Size: M , ML , L , XL , XXL - RockShox Judy, coil spring, preload, TurnKey lockout, 46mm offset for 29'' wheel, 100mm QR, 100mm travel
- Component Hubs
- Front: Formula DC-20, alloy, 6-bolt, 100mm ThruSkew | Rear: Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5mm QR
- Component Rims
- Bontrager Kovee, double-wall, Tubeless Ready, 28-hole, 23mm width, Presta valve
- Component Size
- X-Small, Small, Medium, Medium/Large, Large, X-Large, XX-Large
- Component Stem
- Size: XS , S - Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 35mm length | Size: M , ML , L - Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 50mm length | Size: XL - Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 60mm length | Size: XXL - Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 70mm length
- Product Family
- Marlin
- Component Chain
- KMC X10, 10 speed
- Component Color
- Azure, Galactic Grey, Teal to Nautical Navy Fade
- Component Frame
- Size: XS - Alpha Silver Aluminum, curved top tube, internal derailleur & dropper post routing, rack and kickstand mount, 135x5mm ThruSkew | Size: S , M , ML , L , XL , XXL - Alpha Silver Aluminum, internal derailleur & dropper post routing, rack and kickstand mount, 135x5mm ThruSkew
- Component Brakes
- Shimano MT200 hydraulic disc
- Component Pedals
- VP-536 nylon platform
- Component Rotors
- Size: XS , S , M , ML , L , XL , XXL - Shimano RT26, 6-bolt,160mm
- Component Saddle
- Bontrager Arvada, steel rails, 138mm width
- Component Headset
- Semi-integrated, 1-1/8''
- Component Crankset
- Size: XS , S , M - FSA Alpha Drive, 28T steel ring, Boost, 170mm length | Size: ML , L , XL , XXL - FSA Alpha Drive, 28T steel ring, Boost, 175mm length
- Component Seatpost
- Size: XS , S , M - Bontrager alloy, 31.6mm, 12mm offset, 330mm length | Size: ML , L , XL , XXL - Bontrager alloy, 31.6mm, 12mm offset, 400mm length
- Component Shifters
- Shimano Deore M4100, 10 speed
- Component Handlebar
- Size: XS - Bontrager alloy, 31.8mm, 5mm rise, 690mm width | Size: S - Bontrager alloy, 31.8mm, 15mm rise, 720mm width | Size: M , ML , L , XL , XXL - Bontrager alloy, 31.8mm, 15mm rise, 750mm width
- Component Rear Tire
- Size: XS , S - Bontrager XT3 Comp, wire bead, 30 tpi, 27.5x2.40'' | Size: M , ML , L , XL , XXL - Bontrager XT3 Comp, wire bead, 30 tpi, 29x2.40''
- Component Front Tire
- Size: XS , S - Bontrager XT3 Comp, wire bead, 30 tpi, 27.5x2.40'' | Size: M , ML , L , XL , XXL - Bontrager XT3 Comp, wire bead, 30 tpi, 29x2.40''
- Component Tape Grips
- Bontrager XR Trail Comp, nylon lock-on
- Component Wheel Size
- 27.5-inch, 29-inch
- Component Bottom Bracket
- FSA, 73mm, threaded cartridge, 122.5mm spindle
- Component Rear Derailleur
- Shimano Deore M5120, long cage
- Component Cassette Freewheel
- Shimano Deore M4100, 11-46, 10 speed
- Hubs
- Front: Formula DC-20, alloy, 6-bolt, 100mm ThruSkew | Rear: Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5mm QR
- Rims
- Bontrager Kovee, double-wall, Tubeless Ready, 28-hole, 23mm width, Presta valve
- Crankset
- Size: XS , S , M - FSA Alpha Drive, 28T steel ring, Boost, 170mm length | Size: ML , L , XL , XXL - FSA Alpha Drive, 28T steel ring, Boost, 175mm length
- Pedals
- VP-536 nylon platform
- Bottom Bracket
- FSA, 73mm, threaded cartridge, 122.5mm spindle
- Chain
- KMC X10, 10 speed
- Seatpost
- Size: XS , S , M - Bontrager alloy, 31.6mm, 12mm offset, 330mm length | Size: ML , L , XL , XXL - Bontrager alloy, 31.6mm, 12mm offset, 400mm length
- Saddle
- Bontrager Arvada, steel rails, 138mm width
- Handlebar
- Size: XS - Bontrager alloy, 31.8mm, 5mm rise, 690mm width | Size: S - Bontrager alloy, 31.8mm, 15mm rise, 720mm width | Size: M , ML , L , XL , XXL - Bontrager alloy, 31.8mm, 15mm rise, 750mm width
- Headset
- Semi-integrated, 1-1/8''
- Rear Derailleur
- Shimano Deore M5120, long cage
- Rear Tire
- Size: XS , S - Bontrager XT3 Comp, wire bead, 30 tpi, 27.5x2.40'' | Size: M , ML , L , XL , XXL - Bontrager XT3 Comp, wire bead, 30 tpi, 29x2.40''
- Stem
- Size: XS , S - Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 35mm length | Size: M , ML , L - Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 50mm length | Size: XL - Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 60mm length | Size: XXL - Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 70mm length
- Brakes
- Shimano MT200 hydraulic disc
- Fork
- Size: XS , S - RockShox Judy, coil spring, preload, TurnKey lockout, 42mm offset for 27.5'' wheel, 100mm QR, 100mm travel | Size: M , ML , L , XL , XXL - RockShox Judy, coil spring, preload, TurnKey lockout, 46mm offset for 29'' wheel, 100mm QR, 100mm travel
- Frame
- Size: XS - Alpha Silver Aluminum, curved top tube, internal derailleur & dropper post routing, rack and kickstand mount, 135x5mm ThruSkew | Size: S , M , ML , L , XL , XXL - Alpha Silver Aluminum, internal derailleur & dropper post routing, rack and kickstand mount, 135x5mm ThruSkew
- Shifters
- Shimano Deore M4100, 10 speed
- Tape/Grips
- Bontrager XR Trail Comp, nylon lock-on
- Color
- Teal to Nautical Navy Fade
- Size
- XX-Large
- Wheel Size
- 29-inch
- Cassette/Freewheel
- Shimano Deore M4100, 11-46, 10 speed
- Rotors
- Size: XS , S , M , ML , L , XL , XXL - Shimano RT26, 6-bolt,160mm
- Front Tire
- Size: XS , S - Bontrager XT3 Comp, wire bead, 30 tpi, 27.5x2.40'' | Size: M , ML , L , XL , XXL - Bontrager XT3 Comp, wire bead, 30 tpi, 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.