The Campagnolo Pro-Tech bottom brackets are designed to ...
handle the toughest of conditions and keep you turning over with efficiency. They utilize an external sealing ring design that protects against water, mud and grit.
bolt for the 2021+ Tarmac. This clamp screws into the bottom of the stem and holds the cables under the aero cover. Not compatible with the S-Works level Rapide Cockpit.
is exclusively used by Trek's carbon road bikes. This bottom bracket uses Cross/MTB seals to protect from dirt and wear associated with CX and MTB riding.