Praxis Works PF30 Bottom Bracket - 24mm - PF30 - 68-73mm Shell Virtual Parent The clamp head also rotates

The clamp head also rotates 360 degrees and is adjustable in height up to 170cm

Spoke Style: J-Hook

and 36T rings

Cons: Cost

Works with 9

Praxis Works PF30 Bottom Bracket - 24mm - PF30 - 68-73mm Shell Virtual Parent The clamp head also rotatesThe Praxis Works PF30 Bottom Bracket allows riders to use their Shimano Hollowtech II 24mm spindle cranks in a frame with a 73mm BB30 PF30 bottom bracket shell. To do this, Praxis designed a specialised sleeve to compensate for the extra space and they are made precisely to Shimano bearing stance & chain line spec. Who's this item for: These BB's are a great solution for anyone wanting to run their Hollowtech II cranks in a frame with a BB30 or PF30