Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2023 Trek Marlin 4 Gen 2
Previous used estimate
$275 - $283
Actual value depends on condition, size, and local demand.
Value Guide market data · 2023 Trek Marlin 4 Gen 2
12-month projected trend
11%
Direction and magnitude, not judgment
vs. category average
5%
Drops faster than category avg
Price over time - 2023 Trek Marlin 4 Gen 2
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 4 is the perfect gateway to trail riding. It's ideal for new riders who want a mountain bike with knobby tires that can double as a rugged commuter. Disc brakes, front suspension, 21 speeds, and mounts for a rack and fenders make this a great bike for new trail riders and campus commuters alike.
Specifications
- Subtype
- Cross Country
- Category
- Mountain
- Component Rim
- Bontrager Connection 27.5'' Rim, Double Wall, 32 hole, 20mm inner width, Clincher (not for use with Tubeless Tires). Schrader valve. Black
- Component Fork
- SR Suntour Suspension Fork XCE 28 27.5'' 80mm
- Component Stem
- Bontrager Comp Blendr Stem, 31.8x50mm, 7 Degree Rise, Black
- Component Tire
- Bontrager Tire XR2 Comp 27.5 x 2.20''
- Component Tube
- Innertube, 27.5X2.0-2.4, 32mm Schrader Valve
- Product Family
- Marlin
- Component Armor
- Trek Marlin 29 2019 Chainstay Armor
- Component Brake
- Tektro M280 Mechanical Front Disc Brake, w/ 160mm Rotor; Tektro M280 Mechanical Rear Disc Brake, w/ 160mm Rotor
- Component Chain
- KMC Z7 7-Speed 1/2'' X 3/32
- Component Color
- Greenlight; Pinkvisibility; Black; Grey; Blue, Pinkvisibility; Greenlight; Blue; Black; Grey
- Component Crank
- Shimano Tourney Crankset. Item Number: FC-TY301, 3x, 6/7/8-Speed, 42-34-24T, 170mm, Square Axle, Without Chainguard (Visit si.shimano.com for compatibility, manuals and exploded views)
- Component Decal
- Stick-On Trek Shield Headtube Badge, Black
- Component Frame
- Alpha Silver Aluminum, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5mm QR
- Component Grips
- Bontrager XR Endurance Grips, 130mm; Bontrager Grip XR Endurance Comp 130mm Black
- Component Pedal
- VP Pedals 536C Platform Style, Black; VP Pedal VPE-536 Black
- Component Nipple
- NIPPLE TREK APPROVED, 14G 12MM BRASS BLACK FINISH
- Component Saddle
- Bontrager Saddle Arvada Steel Rails Medium Black
- Component Spacer
- Headset Spacer, 10mm 1-1/8in, Black
- Component Spokes
- Trek Approved 14g Round J-Bend, 6.2mm Elbow, Stainless Steel, Black, 272mm Front Non-Drive Side; Trek Approved 14g Round J-Bend, 6.2mm Elbow, Stainless Steel, Black, 272mm Rear Drive Side; Trek Approved 14g Round J-Bend, 6.2mm Elbow, Stainless Steel, Black, 274mm Front Drive Side; Trek Approved 14g Round J-Bend, 6.2mm Elbow, Stainless Steel, Black, 274mm Rear Non-Drive Side
- Component Bearing
- 3/16'' Loose Ball Bearings
- Component Headset
- Headset 1.125 ZS VP A42 Black
- Component Shifter
- Shimano Acera STI. Item Number: ST-EF500-7R-2A, 7-Speed, Rim Brake, Shift cable Length: 2050mm, Right. (Visit si.shimano.com for compatibility, manuals and exploded views); Shimano Acera STI. Item Number: ST-EF500-L-2A, 3-Speed, Rim Brake, Shift cable Length: 1800mm, Left. (Visit si.shimano.com for compatibility, manuals and exploded views)
- Component Cassette
- Shimano Tourney Cassette. Item Number: CS-TZ500, 7-Speed, 14-28T. (Visit si.shimano.com for compatibility, manuals and exploded views)
- Component Fastener
- Fastener Trek Derailleur Hanger Bolt M5x0.8x9mm Countersunk head Stainless Steel 3mm Hex Head Driver; Crankarm Bolts, M8x20mm; M5 X 16mm Water Bottle Bolt, Stainless Steel, Black
- Component Hub Axle
- Front Hub Rebuild Kit, for Approved Loose-Ball 6-Bolt Hubs
- Component Rear Hub
- Hub Rear Formula DC-31 32H 6 bolt disc, Threaded for Freewheel, Black
- Component Seatpost
- Bontrager Approved Seatpost, 31.6x330mm, 12mm Offset, Black
- Component Brake Pad
- Tektro Brake Pads, Organic Compound (E10.11); Brake Pad, Shimano B-Series Shape : CONFIRM COMPATIBILITY BEFORE USE. BRAKE SPEC IS SUBJECT TO SUBSTITUTION AND MAY VARY.
- Component Front Hub
- Hub Front Formula DC-20 32H 6 bolt disc, Black
- Component Handlebar
- Bontrager Approved Lowriser, 31.8x690mm, 5mm Rise, 9D Bend/4D Upsweep, Black
- Component Rim Strip
- Rim Strip 27.5 X 21mm
- Component Rear Wheel
- Rear Wheel, Bontrager Connection 27.5'' with DC-31 Freewheel hub, 32H, Schrader Valve, 2019 Black Graphics
- Component Front Wheel
- Front Wheel, Bontrager Connection 27.5'' with DC-20 6-bolt QR hub, 32H, Schrader Valve, 2019 Black Graphics
- Component Rear Skewer
- Skewer Rear Formula, QR22, 135mm OLD, Black
- Component Seat Collar
- Seat Post Clamp 2012 Bontrager 36.4mm QR Black
- Component Front Skewer
- Formula Front Skewer, 100mm OLD, Black
- Component Headset Part
- Bontrager Headset Topcap, w/ Star Nut, Black
- Component Bike Part Misc
- Trek Kickstand Mount Plug; Water Bottle Plug
- Component Bottom Bracket
- VP BC-73, 73x1XXmm, Square Taper; 73 x 125.5mm Square Taper Threaded Cartridge
- Component Touch Up Paint
- Paint Color: Matte Trek Black, TK001-S
- Component Rear Derailleur
- Shimano Tourney Derailleur Rear. Item Number: RD-TY300, 6/7-Speed, Direct Attachment, SGS Cage, Max 34T. (Visit si.shimano.com for compatibility, manuals and exploded views)
- Component Cable Management
- Bottom Bracket Cable Guide Trek Marlin 2019, Includes M5 Bolt, works as a Cable Stop for the front derailleur cable
- Component Front Derailleur
- Shimano Tourney Derailleur Front. Item Number: FD-TY300, 3x6/7, Clamp band, Chain Stay angle: 66-69, Down-Pull, Chain Line: 50mm (Visit si.shimano.com for compatibility, manuals and exploded views)
- Component Cable Housing Set
- Bontrager Brake Housing for Cable Actuated Brakes, 5mm, Black; Bontrager Shift Housing 4mm Black
- Component Derailleur Hanger
- Rear Derailleur Hanger, Trek FX/MTB Two-Bolt, Black
- Bottom Bracket
- VP BC-73, 73x1XXmm, Square Taper; 73 x 125.5mm Square Taper Threaded Cartridge
- Chain
- KMC Z7 7-Speed 1/2'' X 3/32
- Seatpost
- Bontrager Approved Seatpost, 31.6x330mm, 12mm Offset, Black
- Saddle
- Bontrager Saddle Arvada Steel Rails Medium Black
- Handlebar
- Bontrager Approved Lowriser, 31.8x690mm, 5mm Rise, 9D Bend/4D Upsweep, Black
- Headset
- Headset 1.125 ZS VP A42 Black
- Front Derailleur
- Shimano Tourney Derailleur Front. Item Number: FD-TY300, 3x6/7, Clamp band, Chain Stay angle: 66-69, Down-Pull, Chain Line: 50mm (Visit si.shimano.com for compatibility, manuals and exploded views)
- Rear Derailleur
- Shimano Tourney Derailleur Rear. Item Number: RD-TY300, 6/7-Speed, Direct Attachment, SGS Cage, Max 34T. (Visit si.shimano.com for compatibility, manuals and exploded views)
- Stem
- Bontrager Comp Blendr Stem, 31.8x50mm, 7 Degree Rise, Black
- Cassette
- Shimano Tourney Cassette. Item Number: CS-TZ500, 7-Speed, 14-28T. (Visit si.shimano.com for compatibility, manuals and exploded views)
- Fork
- SR Suntour Suspension Fork XCE 28 27.5'' 80mm
- Frame
- Alpha Silver Aluminum, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5mm QR
- Front Hub
- Hub Front Formula DC-20 32H 6 bolt disc, Black
- Rear Hub
- Hub Rear Formula DC-31 32H 6 bolt disc, Threaded for Freewheel, Black
- Shifter
- Shimano Acera STI. Item Number: ST-EF500-7R-2A, 7-Speed, Rim Brake, Shift cable Length: 2050mm, Right. (Visit si.shimano.com for compatibility, manuals and exploded views); Shimano Acera STI. Item Number: ST-EF500-L-2A, 3-Speed, Rim Brake, Shift cable Length: 1800mm, Left. (Visit si.shimano.com for compatibility, manuals and exploded views)
- Color
- Pinkvisibility; Greenlight; Blue; Black; Grey
- Spokes
- Trek Approved 14g Round J-Bend, 6.2mm Elbow, Stainless Steel, Black, 272mm Front Non-Drive Side; Trek Approved 14g Round J-Bend, 6.2mm Elbow, Stainless Steel, Black, 272mm Rear Drive Side; Trek Approved 14g Round J-Bend, 6.2mm Elbow, Stainless Steel, Black, 274mm Front Drive Side; Trek Approved 14g Round J-Bend, 6.2mm Elbow, Stainless Steel, Black, 274mm Rear Non-Drive Side
- Rear Wheel
- Rear Wheel, Bontrager Connection 27.5'' with DC-31 Freewheel hub, 32H, Schrader Valve, 2019 Black Graphics
- Front Wheel
- Front Wheel, Bontrager Connection 27.5'' with DC-20 6-bolt QR hub, 32H, Schrader Valve, 2019 Black Graphics
- Brake
- Tektro M280 Mechanical Front Disc Brake, w/ 160mm Rotor; Tektro M280 Mechanical Rear Disc Brake, w/ 160mm Rotor
- Cable Housing Set
- Bontrager Brake Housing for Cable Actuated Brakes, 5mm, Black; Bontrager Shift Housing 4mm Black
- Crank
- Shimano Tourney Crankset. Item Number: FC-TY301, 3x, 6/7/8-Speed, 42-34-24T, 170mm, Square Axle, Without Chainguard (Visit si.shimano.com for compatibility, manuals and exploded views)
- Decal
- Stick-On Trek Shield Headtube Badge, Black
- Grips
- Bontrager XR Endurance Grips, 130mm; Bontrager Grip XR Endurance Comp 130mm Black
- Nipple
- NIPPLE TREK APPROVED, 14G 12MM BRASS BLACK FINISH
- Pedal
- VP Pedals 536C Platform Style, Black; VP Pedal VPE-536 Black
- Rim
- Bontrager Connection 27.5'' Rim, Double Wall, 32 hole, 20mm inner width, Clincher (not for use with Tubeless Tires). Schrader valve. Black
- Rim Strip
- Rim Strip 27.5 X 21mm
- Seat Collar
- Seat Post Clamp 2012 Bontrager 36.4mm QR Black
- Tire
- Bontrager Tire XR2 Comp 27.5 x 2.20''
- Touch-Up Paint
- Paint Color: Matte Trek Black, TK001-S
- Tube
- Innertube, 27.5X2.0-2.4, 32mm Schrader Valve
- Armor
- Trek Marlin 29 2019 Chainstay Armor
- Bearing
- 3/16'' Loose Ball Bearings
- Cable Management
- Bottom Bracket Cable Guide Trek Marlin 2019, Includes M5 Bolt, works as a Cable Stop for the front derailleur cable
- Derailleur Hanger
- Rear Derailleur Hanger, Trek FX/MTB Two-Bolt, Black
- Fastener
- Fastener Trek Derailleur Hanger Bolt M5x0.8x9mm Countersunk head Stainless Steel 3mm Hex Head Driver; Crankarm Bolts, M8x20mm; M5 X 16mm Water Bottle Bolt, Stainless Steel, Black
- Headset Part
- Bontrager Headset Topcap, w/ Star Nut, Black
- Front Skewer
- Formula Front Skewer, 100mm OLD, Black
- Rear Skewer
- Skewer Rear Formula, QR22, 135mm OLD, Black
- Spacer
- Headset Spacer, 10mm 1-1/8in, Black
- Brake Pad
- Tektro Brake Pads, Organic Compound (E10.11); Brake Pad, Shimano B-Series Shape : CONFIRM COMPATIBILITY BEFORE USE. BRAKE SPEC IS SUBJECT TO SUBSTITUTION AND MAY VARY.
- Hub Axle
- Front Hub Rebuild Kit, for Approved Loose-Ball 6-Bolt Hubs
- Bike Part Misc
- Trek Kickstand Mount Plug; Water Bottle Plug
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.