Shimano Hollowtech II Mountain Bottom Bracket Inner Cover & O-Rings (Black)

sealing ring design that protects a strong, resilient fiberglass-charged polyamide central tube from the harmful ingress of water, mud and grit. Features: Designed specifically for gravel riding and racing to protect against ...

handle the toughest of conditions and keep you turning over with efficiency. They utilize an external sealing ring design that protects against water, mud and grit. Note: Bearings come pressed onto the crank ...

bottom brackets are designed to handle the toughest of conditions and keep you turning over with efficiency. They utilize an external sealing ring design that protects against water, mud and grit. Note: ...

handle the toughest of conditions and keep you turning over with efficiency. They utilize an external sealing ring design that protects against water, mud and grit. Note: Bearings come pressed onto the ...

external sealing ring design that protects the internals from water and dirt. Features: Designed specifically for gravel riding and racing to protect against water, mud & grit Specifications: Frame Interface: BSA/English Threaded Spindle ...