T47 Drive Side Delrin Stabilizing Ring (for ALL BBInfinite T47 systems and variants) meta-related-collection-shimano-road-related All BBInfinite PF30 bottom bracket

All BBInfinite PF30 bottom bracket modules ship with the special press tools and retaining compounds you'll need

BB3A-PF-RD Road Crank Spacer Chart

a fiber reinforced polymer especially suited to high strength situations where resistance to deflection is paramount

it's the races

T47 Drive Side Delrin Stabilizing Ring (for ALL BBInfinite T47 systems and variants) meta-related-collection-shimano-road-related All BBInfinite PF30 bottom bracketThis is the standard Delrin stabilizing ring used with all of our T47 BBInfinite bottom bracket modules. Works with all internal type, external type, and asymmetric type T47 BBInfinite bottom bracket modules. Each module requires one of these. This listing is for the bottom bracket ring only, it does not include the module. Module depicted for illustration and clarification purposes. This essential bottom bracket part keeps your T47 system running