Wheels Manufacturing PF30 Bottom Bracket with Angular Contact Bearings: Threaded

Machined aluminum shell threads together for precise bearing alignment and frame fit, reducing bottom bracket creaking and premature bearing wear. Made in the USA Replaceable Enduro bearings ABEC-5 Angular Contact sealed bearings Angular contact ball bearings are particularly suitable for carrying combined axial and radial loads Item Specifications Weight 114 BB/Frame Interface PF30 Spindle Interface Type BB30/PF30 BB Shell Width 61 BB Shell Width 68 BB Shell Width 73 Defined Color Black Bottom Bracket Shell I.D. 46