Boston Frame

The Boston Custom frameset is built with horizontal track drop outs, so it’s ready to become a single speed or fixed gear build, as unique as you are. Chromoly fork included.


SKU: BOSFR Categories: ,

This product is no longer available.


2015 Montague Boston Single Speed Folding Bike Frame

Frame Sizes

• 19in Frame: For riders 5’4″ – 5’10”.
Standover height is 28″
• 22in Frame: For riders 5’11” – 6’4″.
Standover height is 29″

The Essentials

• Supports single speed or fixed gear
• Wheel Size: 700c
• Folded Size: 36″x28″x12″ (complete)
• Approx Weight: 5.2 pounds (2350g)


Great For

• Custom fixed gear builds
• City riding
• Lightweight maneuverability
• Simple maintenance


Color Matte black front and rear frame.
Material Custom drawn 7005 Series Aluminum tubing with FIT System.
Sizes 19”, 21”
Bottom Bracket 68mm English Threaded
Seat Post Diameter 30.0mm
Head Tube Diameter 1-1/8″
Fork Cromoly straight blade for caliper rim brake. 1-1/8″ steerer tube.
Rear Frame O.L.D. Spacing 120mm. Horizontal dropouts.


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