The Marlin 5 Gen 3 Mountain Bike 2025 from Trek is a versatile and reliable choice for mountain bikers of all levels. Its lightweight aluminum frame is designed with internal cable routing for an aerodynamic look, while the 9-speed Shimano CUES drivetrain and lockout-equipped suspension fork offer a comfortable and customizable ride. With powerful hydraulic disc brakes, this bike is perfect for any terrain, whether on the trails or in the city. It’s also an affordable option for students and commuters, with the ability to add a rack and kickstand for extra convenience. Trust in the Trek brand for a bike that delivers both comfort and reliability.
- *Frame
- Size: XXS , XS Alpha Silver Aluminium, curved top tube, internal derailleur and dropper post routing, rack and kickstand mount, 135×5 mm ThruSkew
- Size: S , M , ML , L , XL , XXL Alpha Silver Aluminium, internal derailleur and dropper post routing, rack and kickstand mount, 135×5 mm ThruSkew
- *Fork
- Size: XXS SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42 mm offset for 26” wheel, 100 mm QR, 100 mm travel
- Size: XXS SR Suntour XCM 30, coil spring, lockout, preload, 100 mm QR, 100 mm travel, 26″ wheel
- Size: XS SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42 mm offset for 27.5″ wheel, 100 mm QR, 80 mm travel
- Size: S SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42 mm offset for 27.5″ wheel, 100 mm QR, 100 mm travel
- Size: M , ML , L , XL , XXL SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 46 mm offset for 29″ wheel, 100 mm QR, 100 mm travel
- Hub front Formula DC-20, alloy, 6-bolt, 5×100 mm QR
- Hub rear Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135×5 mm QR
- Rim Bontrager Connection, double-wall, 32-hole, 20 mm width, Schrader valve
- *Tyre
- Size: XXS Bontrager XT3 Comp, wire bead, 30 tpi, 26×2.35″
- Size: XS , S Bontrager XT3 Comp, wire bead, 30 tpi, 27.5×2.40″
- Size: M , ML , L , XL , XXL Bontrager XT3 Comp, wire bead, 30 tpi, 29×2.40″
- Shifter Shimano U4000, 9-speed
- Rear derailleur Shimano CUES U4000
- *Crank
- Size: XXS , XS Prowheel C10Y-NW, 30T steel narrow-wide ring, 160 mm length
- Size: S , M , ML , L , XL , XXL Prowheel C10Y-NW, 30T steel narrow-wide ring, 170 mm length
- Cassette Shimano LINKGLIDE LG300, 11-46, 9-speed
- Chain Shimano LG500
- Pedal VP-536 nylon platform
- *Seatpost
- Size: XXS Bontrager alloy, 31.6 mm, 12 mm offset, 300 mm length
- Size: XS , S , M Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length
- Size: ML , L , XL , XXL Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length
- *Handlebar
- Size: XXS , XS Bontrager alloy, 31.8 mm, 5 mm rise, 690 mm width
- Size: S Bontrager alloy, 31.8 mm, 15 mm rise, 720 mm width
- Size: M , ML , L , XL , XXL Bontrager alloy, 31.8 mm, 15 mm rise, 750 mm width
- Grips Bontrager XR Trail Comp, nylon lock-on
- *Stem
- Size: XXS , XS , S Bontrager alloy, 31.8 mm, Blendr-compatible, 7-degree, 35 mm length
- Size: M , ML , L Bontrager alloy, 31.8 mm, Blendr-compatible, 7-degree, 50 mm length
- Size: XL Bontrager alloy, 31.8 mm, Blendr-compatible, 7-degree, 60 mm length
- Size: XXL Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 70 mm length
- Head set Semi-integrated, 1-1/8″
- Brake rotor Tektro, 6-bolt, 160mm
- *Brakeset
- Size: XXS , XS , S Tektro HD-M276 hydraulic disc, short reach
- Size: M , ML , L , XL , XXL Tektro HD-M275 hydraulic disc
