Trek Marlin 5 Gen 3 29 Bike 2025 Matte Dnister Black
Trek’s Marlin 5 Gen 3 delivers versatile performance with a trail-capable Alpha Silver Aluminum frame, 100mm travel SR Suntour suspension fork, and 9-speed Shimano CUES drivetrain for efficient shifting across varied terrain. Integrated rack and kickstand mounts add commuter utility, while hydraulic disc brakes and 2.4” Bontrager tires ensure confident control on and off-road. Designed for riders seeking a balance of durability, comfort, and daily functionality without sacrificing off-trail capability.
Specs
| *Frame | Alpha Silver Aluminum, curved top tube, internal derailleur & dropper post routing, rack and kickstand mount, 135x5mm ThruSkew (XS) / Alpha Silver Aluminum, internal derailleur & dropper post routing, rack and kickstand mount, 135x5mm ThruSkew (S/M/ML/L/XL) |
| *Fork | SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42mm offset for 27.5'' wheel, 100mm QR, 80mm travel (XS) / SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42mm offset for 27.5'' wheel, 100mm QR, 100mm travel (S) / SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 46mm offset for 29'' wheel, 100mm QR, 100mm travel (M/ML/L/XL) |
| Max compatible fork travel | 120mm, XXS: 80mm |
| Hub front | Formula DC-20, alloy, 6-bolt, 5x100mm QR |
| Hub rear | Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5mm QR |
| Skewer rear | 173x5mm QR |
| Rim | Bontrager Connection, double-wall, 32-hole, 20mm width, schrader valve |
| Spokes | 14g stainless steel, black |
| *Tire | Bontrager XT3 Comp, wire bead, 30 tpi, 27.5x2.40'' (XS/S) / Bontrager XT3 Comp, wire bead, 30 tpi, 29x2.40'' |
| Max tire size | Frame: 29x2.40" (XXS: 26x2.40", XS & S: 27.5x2.40"), Fork: See manufacturer |
| Shifter | Shimano U4000, 9 speed |
| Rear derailleur | Shimano CUES U4000 |
| *Crank | Prowheel C10Y-NW, 30T steel narrow-wide ring, 160mm length (XS) 170mm (S/M/ML) 175mm (L/XL) |
| Bottom bracket | VP BC73, 73mm, threaded cartridge |
| Cassette | Shimano LINKGLIDE LG300, 11-46, 9 speed |
| Chain | Shimano LG500, 9/10/11 speed |
| Pedal | VP-536 nylon platform |
| Max chainring size | 1x: See FAQ, 2x: 36T, 3x: 42T |
| *Seatpost | Bontrager alloy, 31.6mm, 12mm offset, 330mm length (XS/S/M) 400mm (ML/L/XL) |
| *Handlebar | Bontrager alloy, 31.8mm, 5mm rise, 690mm width (XS) 720mm (S) 750mm (M/ML/L/XL) |
| Grips | Bontrager XR Trail Comp, nylon lock-on |
| *Stem | Bontrager Comp, 31.8mm, 7 degree, 35mm length (XS/S) / Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 50mm length (M/ML/L) / Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 60mm length (XL) |
| Headset | Semi-integrated, 1-1/8'' |
| Brake rotor | Tektro, 6-bolt, 160mm |
| *Brake Set | Tektro HD-M276 hydraulic disc, short reach (XS/S) / Tektro HD-M275 hydraulic disc (M/ML/L/XL) |
| Rotor size | Max brake rotor sizes - Frame: 180mm (XXS: 160mm), Fork: see fork manufacturer |
| Weight | M - 15.10 kg / 33.29 lbs (with tubes) |
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg). |
Information provided by manufacturer

Description
Trek’s Marlin 5 Gen 3 delivers versatile performance with a trail-capable Alpha Silver Aluminum frame, 100mm travel SR Suntour suspension fork, and 9-speed Shimano CUES drivetrain for efficient shifting across varied terrain. Integrated rack and kickstand mounts add commuter utility, while hydraulic disc brakes and 2.4” Bontrager tires ensure confident control on and off-road. Designed for riders seeking a balance of durability, comfort, and daily functionality without sacrificing off-trail capability.
Specs
| *Frame | Alpha Silver Aluminum, curved top tube, internal derailleur & dropper post routing, rack and kickstand mount, 135x5mm ThruSkew (XS) / Alpha Silver Aluminum, internal derailleur & dropper post routing, rack and kickstand mount, 135x5mm ThruSkew (S/M/ML/L/XL) |
| *Fork | SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42mm offset for 27.5'' wheel, 100mm QR, 80mm travel (XS) / SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42mm offset for 27.5'' wheel, 100mm QR, 100mm travel (S) / SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 46mm offset for 29'' wheel, 100mm QR, 100mm travel (M/ML/L/XL) |
| Max compatible fork travel | 120mm, XXS: 80mm |
| Hub front | Formula DC-20, alloy, 6-bolt, 5x100mm QR |
| Hub rear | Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5mm QR |
| Skewer rear | 173x5mm QR |
| Rim | Bontrager Connection, double-wall, 32-hole, 20mm width, schrader valve |
| Spokes | 14g stainless steel, black |
| *Tire | Bontrager XT3 Comp, wire bead, 30 tpi, 27.5x2.40'' (XS/S) / Bontrager XT3 Comp, wire bead, 30 tpi, 29x2.40'' |
| Max tire size | Frame: 29x2.40" (XXS: 26x2.40", XS & S: 27.5x2.40"), Fork: See manufacturer |
| Shifter | Shimano U4000, 9 speed |
| Rear derailleur | Shimano CUES U4000 |
| *Crank | Prowheel C10Y-NW, 30T steel narrow-wide ring, 160mm length (XS) 170mm (S/M/ML) 175mm (L/XL) |
| Bottom bracket | VP BC73, 73mm, threaded cartridge |
| Cassette | Shimano LINKGLIDE LG300, 11-46, 9 speed |
| Chain | Shimano LG500, 9/10/11 speed |
| Pedal | VP-536 nylon platform |
| Max chainring size | 1x: See FAQ, 2x: 36T, 3x: 42T |
| *Seatpost | Bontrager alloy, 31.6mm, 12mm offset, 330mm length (XS/S/M) 400mm (ML/L/XL) |
| *Handlebar | Bontrager alloy, 31.8mm, 5mm rise, 690mm width (XS) 720mm (S) 750mm (M/ML/L/XL) |
| Grips | Bontrager XR Trail Comp, nylon lock-on |
| *Stem | Bontrager Comp, 31.8mm, 7 degree, 35mm length (XS/S) / Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 50mm length (M/ML/L) / Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 60mm length (XL) |
| Headset | Semi-integrated, 1-1/8'' |
| Brake rotor | Tektro, 6-bolt, 160mm |
| *Brake Set | Tektro HD-M276 hydraulic disc, short reach (XS/S) / Tektro HD-M275 hydraulic disc (M/ML/L/XL) |
| Rotor size | Max brake rotor sizes - Frame: 180mm (XXS: 160mm), Fork: see fork manufacturer |
| Weight | M - 15.10 kg / 33.29 lbs (with tubes) |
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg). |
Information provided by manufacturer

















