Designed specifically for gravel riding and racing, the Campagnolo ProTech BB30 bottom bracket uses external rings designed to protect the central tube from harmful ingress of water, mud and grit.
- Patented ProTech™ external sealing ring protects the strong, resilient fiberglass-charged polyamide central tube from ingress of water, mud and grit
- Large, protected external stainless-steel bearings attach directly to crank arms for smooth, fluid performance and easy maintenance
Imported.
View all Campagnolo Bike Bottom Brackets| Best Use | Gravel Cycling |
|---|---|
| Bottom Bracket Installation | Press Fit |
| Bottom Bracket Standard | BB30 |
| Spindle Interface | No Spindle |
| Fits Shell Width | 68 millimeters |
| Spindle Diameter | 25 millimeters |
| Weight | 50 grams |
| Bearing Material | Stainless Steel |
| Material(s) | Polyamide/stainless steel |