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
Specifications & Identifiers
Bottom Bracket Shell I.D.
34.8mm / English
Bottom Bracket Shell Width (mm)
68, 73
Bottom Bracket/Frame Interface
English (BSA)
Defined Color
Black
Spindle Interface Type
Ultra-Torque
Spindle Length (mm)
No Spindle
Weight
50
UPC
8053340455773
MPN
OC21-PRG
Tree Fort ID:
333222443356
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