Shimano XTR SM-BB93 68-73mm External Bottom Bracket - 24mm - BSA Threaded - 68-73mm Virtual Parent The fully enclosed design features

The fully enclosed design features a brush and sponge combo that effectively cleans all 4-sides of your chain and wicks away drips and excess cleaner

Dishwasher safe

Bearing cup/shell material: Stainless steel cups

76 oz (w/ Storage Box)

It has a large range of adjustment and is rubber padded to protect your frame

Shimano XTR SM-BB93 68-73mm External Bottom Bracket - 24mm - BSA Threaded - 68-73mm Virtual Parent The fully enclosed design featuresLegendary XTR performance! The XTR BB93 is a lightweight BB that features premium bearings and seals to ensure you always have the best possible performance on hand. Compatible with 68 and 73mm shells and 24mm spindles. Features: Compatible with 68 or 73mm shells. Spacers included. Will work with 24mm spindles. Not compatible with 83mm DH cranks.