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

• Spindle Interface Type: Campagnolo Ultra-Torque
• BB Shell Width (mm): 68
• Bottom Bracket Shell I.D.: 46
• BB/Frame Interface: PF30
• Defined Color: Black
• Weight: 50