TREK

Trek Marlin 5 Mountain Bike 2026

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  • Regular price $849.99


Marlin 5 is a trail-worthy daily rider that's perfectly suited for everyday adventures, on and off the trail. It features a trail-savvy frame with a suspension fork, 9-speed Shimano CUES shifting, and mounts for a rack and kickstand that make it an ideal choice for trail riders or anyone looking for a comfortable, stable commuter with the ruggedness of a real mountain bike.

*Please note - spec applies to all sizes unless listed separately
*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
*Fork
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, 42 mm offset for 29'' wheel, 100 mm QR, 100 mm travel
Hub front
Formula DC-20, alloy, 6-bolt, 100x5mm
Skewer front
Trek Thru-Skew
Hub rear
Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5mm
Skewer rear
173x5mm QR
Rim
Bontrager Connection, double-wall, 32-hole, 20mm width, schrader valve
Spokes
14g stainless steel, black
*Tire
Size: XS , S
Bontrager Montrose Comp, wire bead, 30 tpi, 27.5x2.4''
Size: M , ML , L , XL , XXL
Bontrager Montrose Comp, wire bead, 30 tpi, 29x2.4''
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
Size: XS , S , M , ML
Shimano CUES U4001, 32T, 52mm chainline, 170mm length
Size: L , XL , XXL
Shimano CUES U4001, 32T, 52mm chainline, 175mm length
Bottom bracket
Shimano, 73mm, threaded cartridge, 122.5mm spindle
Cassette
Shimano LINKGLIDE LG300, 11-46, 9 speed
Chain
Shimano LG500, 9/10/11 speed
Pedal
Nylon platform
Max chainring size
1x: See FAQ, 2x: 36T, 3x: 42T
Saddle
Bontrager Verse Short, stainless steel rails
*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
*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
Grips
Trek Line Comp, nylon lock-on
*Stem
Size: XS , S
Bontrager Comp, 31.8mm, 7 degree, 35mm length
Size: M , ML , L
Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 50mm length
Size: XL
Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 60mm length
Size: XXL
Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 70mm length
Headset
Semi-integrated, 1-1/8''
*Brake rotor
Size: XS , S , M , ML , L , XL , XXL
Shimano RT26, 6-bolt, 160mm
Size: M , ML , L , XL , XXL
Shimano RT26, 6-bolt, 180mm
Brake Set
Shimano MT200 hydraulic disc
Rotor size
Max brake rotor sizes - Frame: 180mm (XXS: 160mm), Fork: see fork manufacturer