Pirelli P Zero SmarTUBE RS Cassons Chain Hook: Hardened steel

Chain Hook: Hardened steel

and no guesswork

Overall width is still the same as all other BB86 bottom brackets

The wide-rim stance also features less tire deflection for reduced rolling resistance

Pinarello X-Light alloy lightweight steerer nut

Pirelli P Zero SmarTUBE RS Cassons Chain Hook: Hardened steelThe Pirelli P Zero SmarTUBE RS is a lightweight TPU inner tube from Pirelli, designed to shave rolling resistance and weight from your setup without compromising reliability. Key Features TPU (Thermoplastic Polyurethane) construction far lighter and more compact than standard butyl, with comparable puncture resistance Up to 1. 5 watts more speed thanks to reduced rolling resistance Manufacturer claimed weight: 33g, 34g Why Choose the Pirelli P Zero