Shimano CS-R8000 Cassette 11-30 ULTEGRA 11-speed Size:11-30T This 2 Pack of Boston

This 2 Pack of Boston Valves allows you to keep your tubes inflated if something funky happens to the original

Replaceable cord underfoot strap

A mountain specific floor pump thats all about "volume" for your bigger wider fatter mtb and offroad tyres

even during the most demanding rides

Hang with your Chums for hassle-free

Shimano CS-R8000 Cassette 11-30 ULTEGRA 11-speed Size:11-30T This 2 Pack of BostonLightweight 11 speed HG EV cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes. Hyperglide EV sprockets have been designed to reduce weight with improve teeth shaping providing accurate shifting and reduced wear. Features: Hyperglide EV sprockets have been designed to ensure accurate shifting and reduce wear Hyperglide EV sprockets enable the cassette to be lighter