The 160mm length provides ample leverage for tough tyre beads and tight pedals and then

Suitable for pretty much any kind of riding

With optimised material concentrated at the brace and seal area

Materials: Solid

For even more damping on the outside palm area

Praxis Works PF30 Bottom Bracket - 24mm - PF30 - 68-73mm Shell Needs Images The 160mm length provides ampleThe 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