Campagnolo Pro-Tech BB30 Press Fit BB BB30 Width: 68mm Diameter: 42mm

Campagnolo ProTech Bottom Bracket - BB30 68x42mm. Campagnolo ProTech bottom brackets feature a patented external sealing ring design that protects a strong resilient fiberglass-charged polyamide central tube from the harmful ingress of water mud and grit.

Designed specifically for gravel riding and racing to protect against water mud & grit