Phil Wood Stainless External 68/73mm BB Polished Diameter-34.5mm This spider is designed to

This spider is designed to work with the SRAM cranksets with a 3-Bolt direct mount interface

Elastic panels under the arms and in the upper back for optimal mobility and ventilation

Improvement: A superior version of R40

including on rough terrain and in wet conditions

Call us to cut through the confusion and help configure your setup perfectly

Phil Wood Stainless External 68/73mm BB Polished Diameter-34.5mm This spider is designed toReplacement external bottom bracket engineered with stainless steel cups and an aluminum sleeve for durability and longevity Manufactured with Phil Wood precision and premium Phil bearings for performance Replaces Shimano FSA Race Face bottom brackets (no SRAM) TECH SPECS model stainless spindle interface 24mm shell BSA shell ID 33. 6mmx24tpi width 68 73mm color silver