The 39mm end is the right size for XTR BB93 (as well as DuraAce 9000 and some Token BB's) external bottom brackets

Mount: post mount

Pros: A great option for those looking for knuckle protection as they are durable

A vertical B1B logo on the back completes what's sure to be your favourite trail ride companion

with an audible and tactile click on reaching your desired torque value

100 Percent Ridecamp Shorts - S-30 - Black netsuite-webdata-created The 39mm end is theWith a clean design and loaded with features to enhance performance and comfort, the Ridecamp is the perfect gear for All Mountain riding. Who's this item for: The Ridecamp shorts are a great choice for Trail, All Mountain, and Enduro riding. Inseam Measurement: The exact measurement isn't listed but they are fairly long and should cover the tops of your knees. Liner Included: There is no liner included with these shorts. Materials: Durable water