Campagnolo ProTech Bottom Bracket - PF30 68x46mm AXS 3-layer waterproof breathable laminated seat

3-layer waterproof breathable laminated seat panel

5mm tubular 304 stainless steel construction

Non-slip protection (padded)

Comfortable cycling without the need for expensive technology

Forged 7075 aluminum dropouts

Campagnolo ProTech Bottom Bracket - PF30 68x46mm AXS 3-layer waterproof breathable laminated seatCampagnolo ProTech Bottom Bracket PF30 68x46mm. 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 TECH SPECS Bottom Bracket Shell I. D. 46 BB Frame Interface PF30 BB Shell Width (mm) 68 Weight 50 Spindle