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Montague Boston PC-650-3CB

Montague Boston PC-650-3CB

One only - Montague Boston prototype custom with 650b x 50mm tires, 3 speed Shimano coaster hub, 28" handlebar, and a Brooks saddle.


  • Frame: Montague Boston (new) circa 2015 frame, custom drawn 6061 series aluminum.
  • Fork: Rigid unicrown with ramped dropout.
  • Rims : 650b, aluminum, 23mm internal width.
  • Tires: Pirelli Cinturato Gravel H, 650b x 50mm.
  • Hub (rear): Shimano Nexus 3 speed with coaster brake.
  • Hub (front): Origin8 road hub with 1 piece forged and CNC machined alloy body, sealed bearings, 7075 aluminum machined axle.
  • Saddle: Brooks B17 Standard.
  • Seatpost: 30.0 X 300mm alloy.
  • Handlebars: alluminum, 27.75" wide with a 2" rise and 31.8mm clamp.
  • Stem: Deity Cavity 6061 aluminum, 35mm length, 31.8mm clamp.
  • Shifters: Shimano Nexus 3 speed grip shifter.
  • Crankset:Origin8 170mm arm with a 42t FSA chainring.
  • Speeds: 3 speed internal w/ coaster brake.
  • Brakeset: Shimano Nexus 3 speed coaster brake.
  • Pedals: MKS folding FD-7 alloy. 
  • Bottom Bracket: Shimano BB-UN300, 68mm shell x 107mm spindle.
  • Frame Sizes: 21”
  • Folded Size: 36” x 28” x 12” (approximate)
  • Weight: 26lbs


Free delivery (fully assembled) within 50kms of L5H 3A5. 

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