No more foul tasting water and discolouration

The Catalyst Pro is the original Catalyst brake rotor that set new standards for performance and durability thanks to its two-piece construction and braking surface thickness that is optimised to suit each diameter

J-bend / Straight pull: They are double-butted straight-pull spokes

Avoid using high heat

Horizontal wedge openings along the toe of the shank enable flexion of the foot on and off the bike

SunRace MZ903 12 Speed Cassette - 12 Speed - Shimano HG Splined - 11-51T - Silver Replace Images No more foul tasting waterReplace your old worn out Shimano 12 speed cassette with this wide ratio option from Sunrace. This cassette is primarily built from hardened steel which will keep wear down and boost longevity. Sunrace have also utilised a 7075 alloy construction on the 39, 42 and 51 tooth sprockets to keep the weight in check. Those looking for a good value alternative to Shimano 12 speed cassettes will appreciate the wallet friendly price point. Who's this item for: