Campagnolo Bottom Bracket Pro-Tech - T47 x 68 Fe Sport The key fabric outer layer

The key fabric outer layer is breathable

40mm to tighten

agility and stability

After cleaning

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Campagnolo Bottom Bracket Pro-Tech - T47 x 68 Fe Sport The key fabric outer layerIt 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 harmful 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