Campagnolo Pro-Tech Threaded Bottom Bracket

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The Campagnolo Pro-Tech Threaded Bottom Bracket was designed with gravel riding in mind — where rough terrain, mud, and moisture are the norm rather than the exception. A fiberglas s-charged polyamide central tube blocks water and debris from reaching the drivetrain, while an external sealing ring adds another layer of protection at the shell interface. External stainless steel bearings mount directly to the crankarms, keeping service straightforward when the time comes. Available in English or Italian thread standards, the Pro-Tech fits a wide range of threaded frames without compromise. It pairs with compatible Campagnolo cranksets and is built to handle the sustained punishment that gravel and mixed-surface riding puts on a bottom bracket. Campagnolo Pro-Tech Threaded Bottom Bracket Specs at a Glance Thread standards: English or Italian Bearing type: External stainless steel, crankarm-mounted Central tube material: Fiberglass-charged polyamide Sealing: External sealing ring included Intended use: Gravel and mixed-surface riding Show more