Sugino Forged cranks with single 48 tooth 3/32" chainring for singlespeed/fixed-gear use.
Arm lengths: 165mm, 170mm, 172.5mm, 175mm
-Spindle Interface Type: Square Taper JIS
-Chainring BCD: 130mm
-Crank bolts included.
Use a 107mm bottom bracket for road frames.
NOTE: There's some conflicting information, online, as to which bottom bracket width gives you the best chainline. We have found that the 103mm BB is best used with "true" track frames.
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