Promax SQ-1 Aluminum BMX Race Crank Arms size-short 8 Degree Back sweep The TNT Front Hub
Baker’s notes & crumb story
Description
Promax SQ 1 Aluminum BMX Race Crank Arms size short 8 Degree Back sweep The TNT Front Hub 8 Degree Back sweep CHAINRING: Requires 4 bolt chainring (104mm bolt pattern) You will need a crank arm puller that is designed for use with a square bottom bracket J&R Helpful Hint: Most bikes will require a 113mm length bottom bracket spindle when using these cranks