2011 Trek 3900 Disc

Bike photo
  • Serial: 103980210
  • Manufacturer: Trek
  • Model: 3900 Disc
  • Year: 2011
  • Primary colors: Blue
  • Wheel diameter: 26in

Distinguishing features

Alpha White Aluminum w/semi-integrated head tube, bi-oval down tube with integrated gusset, rack & fender mounts, disc compatible dropouts, replaceable derailleur hanger

Wheels

  • Front Wheel Formula alloy DC20 front hub, Shimano alloy M475 rear hub; Bontrager 550 36-hole rims w/brushed sidewalls
  • Rear Wheel Formula alloy DC20 front hub, Shimano alloy M475 rear hub; Bontrager 550 36-hole rims w/brushed sidewalls
  • Front Tire Bontrager LT3, 26x2.0"
  • Rear Tire Bontrager LT3, 26x2.0"

Drivetrain and brakes

  • Front Shifter Shimano EF51, 8 speed
  • Rear Shifter Shimano EF51, 8 speed
  • Front Derailleur Shimano M190
  • Rear Derailleur Shimano Acera
  • Crankset Shimano M171, 42/34/24
  • Cog/Cassette/Freewheel SRAM PG-820 11-32, 8 speed
  • Pedals Wellgo nylon platform
  • Front Brake Tektro Novela mechanical disc brakes w/Shimano EF50 levers
  • Rear Brake Tektro Novela mechanical disc brakes w/Shimano EF50 levers

Additional parts

  • Saddle Bontrager SSR
  • Seatpost Bontrager SSR, 31.6mm, 20mm offset
  • Handlebar Bontrager Approved Riser, 25.4mm, 30mm rise
  • Stem Bontrager Approved, 25.4mm

Frame and fork

  • Headset 1-1/8" threadless, semi-integrated, semi-cartridge bearings