SUBSTANCE MID BB
Substance bottom bracket kits include 2 Sealed bearings, CNC'd spacers, tube spacer, sprocket bolt and all the spacers you need for adjustment.
Choose 22mm for Substance cranks.
Video 13 Jan 21
Kriss Kyle Raw Recording
Kriss Kyle and the BSD crew in the last of our behind the scenes videos from BSD Recording. Raw clips, unseen...
Video 11 Dec 20
The Revolution Is Now
BSD's Grant Smith talks you through how the BSD Revolution hub works and explains the differences between regular freecoaster and...