Model Year: 2021
MSRP: $530
Manufacturer Website

2021 Trek Marlin 4

Frameset
Frame: Alpha Silver Aluminum, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5mm QR
Fork: SR Suntour XCE 28, coil spring, preload, 46mm offset for 29'' wheel, 100mm QR, 100mm travel

Drivetrain
Bottom Bracket: VP BC73, 73mm, threaded cartridge
Chain: KMC Z7, 7 speed
Crank: Shimano Tourney TY301, 42/34/24, 175mm length
Cassette: Shimano TZ500, 14-28, 7 speed
Derailleurs: Front: Shimano Tourney TY300, 34.9mm clamp, down swing, down pull, Rear: Shimano Tourney TY300, long cage, 34T max cog
Shifters: Shimano Altus EF500, 7 speed

Brakes
Brakes: Tektro MD-M281 mechanical disc
Brake Levers: Tektro

Components
Handlebar: Bontrager alloy, 31.8mm, 5mm rise, 720mm width
Seatpost: Bontrager alloy, 31.6mm, 12mm offset, 400mm length
Stem: Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 90mm length
Saddle: Bontrager Arvada, steel rails, 138mm width

Wheels
Rims: Bontrager Connection, double-wall, 32-hole, 20mm width, schrader valve
Tires: Bontrager XR2 Comp, wire bead, 30 tpi, 29x2.00''
Front Hub: Formula DC-20, alloy, 6-bolt, 5x100mm QR
Rear Hub: Formula DC-31, alloy, 6-bolt, 6/7/8 speed freewheel, 135x5mm QR

Geometry
Head Tube Angle: 69.5°
Seat Tube Angle: 71.9°