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
• Defined Color: Black
• Bottom Bracket Shell I.D.: 41
• Spindle Interface Type: Campagnolo Ultra-Torque
• Weight: 50
• BB Shell Width (mm): 86
• keyword search: EKAR
• BB/Frame Interface: BB86