BSA DUB
ref. P36.01.019
The PROTOTYPE bottom bracket is a signifcant upgrade to any OEM BB.
The high quality CNC machined cups and the special PROTOTYPE bearings offer longer bearing life, smoother operation, and incrase the performance.
- Material: AL Serie 6000 – Light Force CNC
- Frame type: BSA
- Frame Inner dia.: Thread BSA BC 1.37″x24T
- Frame shell width.: 68/73mm
- Crank type : 29mm
- Bearings: PROTOTYPE PRO 2 – High precision (Ceramic bearing option available)