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Hand made in the USA from dual radius true temper 4130 chromoly tubing
Introducing BSD’s first ever rim
locking those bars firmly in place
Flangeless version of the popular N4 hub from Primo BMX
Profile Bolt on Spider Single/Double 51mm Hand made in the USAThe Profile Bolt On Spider was designed to provide optimal chainline when paired with a Profile Euro Outboard bottom bracket. It's machined from a billet aluminium plate and comes supplied with a CrMo steel adapter insert already pressed in. The chainring can be mounted on either the inner or outer face of the spider giving you a little more chainline adjustability. ###section### Product Specs Crank Type: Drive Type: Spindle Diameter: Drive Side:
