BB30 (68MM), ROAD, for 30MM SPINDLE CRANKS (a.k.a. Specialized OSBB) Bearing Type:ABEC-7 (steel) Rotor 3D-series

Rotor 3D-series

and this is due to necessary

any obstruction that cannot be removed which prevents our 1-piece module from passing from one side to the other in a straight line through the frame bottom bracket shell

Q: Why is there an Integrated Spindle Protector option

Spacers Stack for PF30-PF-RD

BB30 (68MM), ROAD, for 30MM SPINDLE CRANKS (a.k.a. Specialized OSBB) Bearing Type:ABEC-7 (steel) Rotor 3D-seriesInfo Installation Instructions Video Specifications Spacers IF YOU'RE LOOKING FOR A REPLACEMENT BOTTOM BRACKET THAT WILL NEVER CREAK, AND SPINS LIKE MAD, YOU'VE COME TO THE RIGHT PLACE. Attention: Specialized OSBB and BB30 are the same standard by a different name. Both are 42mm x 68mm. Any BB30 bottom bracket will work in OSBB. Attention: If you have the newer FACT Sworks crank set that features a 1 piece spindle you will need our crank spindle