SHIMANO CS-HG31 8-SPEED CASSETTE 11/34T BLACK polar star clock Prevents air leaks from tire

Prevents air leaks from tire thin side walls

It features a heavy-duty handle that folds for compact storage

With a generous 137mm reach and 480mm width

Kinlin's reputation for superior aluminum construction has been proven through over a decade of use in the cycling industry

A long-time favourite and a further step up from the standard Technomic

SHIMANO CS-HG31 8-SPEED CASSETTE 11/34T BLACK polar star clock Prevents air leaks from tireThe Shimano CS HG31 8 is the suitable cassette for 8 speed groups. Features High quality 8 speed cassette Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load MegaRange gearing gives a super low 34T sprocket making it easier to climb even the steepest of hills Sprockets are cut away to reduce weight without reducing rigidity Nickel plated finish offers hard