Campagnolo ProTech BB86 BB

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It features the robust double-protection of Pro-Tech™ – a patented external sealing ring design protecting a strong, resilient fiberglass-charged polyamide central tube from the ha rmful ingress of water, mud and grit. The bottom bracket mates with the external stainless steel bearings – which are attached to the crank arms as an integral unit rather than the BB cups for greater size and easier maintenance access – and sits over a stiff, strong inner axle spindle, delivering performance that is smooth, fluid and predictably consistent from the get-go. Thanks to the Pro-Tech™ sealing system, it stays that way, however and wherever you ride. Ekar bottom bracket options offer broad compatibility in a full range of threaded and PressFit applications. BB Shell Width (mm): 86 Bottom Bracket Shell I.D.: 46 BB/Frame Interface: BB86 Designed specifically for gravel riding and racing – protected from harmful ingress of water, mud & grit ProTech™ – a patented external sealing ring & strong fiberglass-polyamide tube Large, protected external stainless steel bearings attach directly to crank arms – for smooth, fluid performance and easy maintenance *Please note that Campagnolo ProTech bottom brackets DO NOT include bearings and are sold separately Show more