The Campagnolo ProTech bottom brackets have a distinctive external sealing ring design, which shields a sturdy and tough fiberglass-infused polyamide central tube from being damaged by harmful elements such as water, mud, and grit. These bottom brackets ar
The Campagnolo ProTech bottom brackets have a distinctive external sealing ring design, which shields a sturdy and tough fiberglass-infused polyamide central tube from being damaged by harmful elements such as water, mud, and grit. These bottom brackets are tailored for the specific demands of gravel riding and racing, providing excellent protection against water, mud, and grit.
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