Trek Marlin 5 Gen 3 27.5 Bike (2026)

2026 Trek Marlin 5 Gen 3 27.5 Mountain Bike in Blue. Trek Part Number: 5337029

The Marlin 5 is a trail-ready bike, ideal for everyday adventures, whether on or off the trail. It has a trail-ready frame with a suspension fork, Shimano CUES 9-speed shifting, and rack and kickstand mounts making it the ideal choice for trail riders, or for those looking for a comfortable and stable bike for getting around town with the durability of a real mountain bike.

Frameset

• Frame: Alpha Silver Aluminum, internal derailleur and dropper post routing, rack and kickstand mount, and 135x5mm ThruSkew thru axle
• Fork: SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42mm offset for 27.5” wheels, 100mm quick release, 100mm travel
• Maximum compatible fork travel: 120 mm

Wheels

• Front Hub: Formula DC-20, alloy, 6-bolt, 5x100mm QR
• Rear Hub: Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5mm QR
• Rim: Bontrager Connection, double-wall, 32-hole, 20mm width, Schrader valve
• Spokes: 14g stainless steel, black
• Clincher: Bontrager Montrose Comp, wire bead, 30 tpi, 27.5x2.40"
• Max. Deck: Frame: 27.5x2.40"; Fork: See manufacturer

Transmission

• Shift lever: Shimano U4000, 9 speeds
• Derailleur: Shimano CUES U4000
• Bottom bracket: Shimano CUES U4001, 32T, 52mm chainline, 170mm length
• Bottom bracket: Shimano, 73 mm, threaded cartridge, 122.5 mm axle
• Cassette: Shimano LINKGLIDE LG300, 11-46, 9 speed
• Chain: Shimano LG500
• Pedal: Nylon platform VP-536
• Maximum Chainring Size: See FAQ

Components

• Saddle: Bontrager Verse Short, stainless steel rails
• Seatpost: Bontrager alloy, 31.6mm, 12mm offset, 330mm length
• Handlebar: Bontrager aluminum, 31.8mm, 15mm rise, 720mm width
• Grips: Trek Line Comp, nylon lock-on
• Stem: Bontrager Comp, 31.8mm, 7-degree, 35mm length
• Headset: Semi-integrated, 1-1/8"
• Brakeset: Shimano hydraulic disc MT200
• Brake Disc: Shimano RT26, 6-bolt, 160 mm
• Disc Size: Maximum brake disc sizes - Frame: 180 mm, Fork: see manufacturer

Weight

• Weight: M - 15.10 kg / 33.29 lbs (with tubes)
• Weight Limit: This bike has a maximum weight limit (combined weight of bicycle, rider, and cargo) of 136 kg.