DUB BB30 68/73mm 3D Extra protection comes in the

Extra protection comes in the form of a multi-impact EPP liner

and individual components

the Speed 4x4 563 lets you explore varied terrain with confidence

ISMBB9441A

Rottefella Start makes it easier for children to manage on their own

DUB BB30 68/73mm 3D Extra protection comes in theDUB technology features a better engineered bottom bracket and a new spindle design for a more uniform approach to bottom bracket fitment, better sealing against contamination, and a new measure of durability For use with all SRAM DUB cranks in MTB 73mm BB30 shells SRAM Model ID: BB DUB BB30 A1 Attributes BB Shell Type BB30 BB Shell Width 68 73mm BB Bearing Steel Crank Spindle Diameter 28. 99mm Interface DUB Cup Diameter 42mm Primary Color Black