2021 Trek Marlin 4, Complete Bafang conversion, Electrified

Bafang BBS02B 48v 750w Trek Marlin 4 Mountain Bike

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Trek Marlin 4

Marlin 4 is the perfect gateway to trail riding. It's ideal for new riders who want a mountain bike with knobby tyres, that can double as a rugged commuter. Disc brakes, front suspension, 7 speedsand mounts for a rack and mudguards make this versatile ride an excellent entry point for new trail riders and campus commuters alike. Price shown includes

- 48v 750W BBS01B fully installedand tested

- hydraulic brake sensors (if needed)

- offset lekkie bling ring (a must for chain alignment)

- Free shipping

- Installation warranty of 2 years and manufactures warranty of 12 months

- 48v 10Ah battery



  • Frame: Alpha Silver Aluminum w/semi-integrated head tube, rack and mudguard mounts, G2 Geometry on 29ers

  • Fork: SR Suntour M-3030, coil spring, preload, 75 mm travel Max compatible fork travel 100mm (XS & S: 490mm axle-to-crown, M & up: 509mm axle-to-crown)

  • Wheels:

  • Front hub Formula DC20 alloy

    Rear hub Formula DC31 alloy
    Rims: Bontrager Connection 32-hole double-walled Tyres Bontrager XR2, 29x2.20˝ front, 29x2.00˝ rear (13.5 & 15.5: 27.5x2.20˝)
  • Max tyre size: Frame: 29x2.20" (XS & S: 27.5x2.4") Fork: See manufacturer
  • Drivetrain

  • Shifters: Shimano Altus EF500, 7 speed

  • Front derailleur: Shimano Tourney TY500Rear derailleur:

  • Shimano Tourney TY300Crank: Shimano Tourney TY301, 42/34/24 

  • Cassette: Shimano TZ21 14-28, 7 speed
  • Chain: KMC Z51
  • Pedals: Wellgo nylon platform
  • Saddle: Bontrager Evoke 1SeatpostBontrager SSR, 2-bolt head, 27.2mm, 12mm

  • offsetHandlebar: Bontrager alloy, 31.8mm, 15mm rise

  • Grips: Bontrager Satellite Plus,

  • Brake set: Tektro M280 mechanical disc

please allow 7 working days to assemble, test and pack. Shipping normally takes 3-5 days after that. Tracking provided