oil-filled

heel and toe reinforcement and arch support

The Wave design also wears more slowly than competing designs by spreading the load over larger surface areas

and a slightly higher 25mm

SunRace CSMZ600 Wide Range 12 Speed Cassette - Shimano HG Splined - 11-51T - 12 Speed algolia-ignore oil-filledReplace your old worn out 12 speed cassette or upgrade from 10 or 11 speed with this wide ratio option from Sunrace. This cassette is primarily built from hardened steel which will keep wear down and boost longevity and because it fits to standard Shimano HG splined freehubs, it has wide compatibility. Those looking for a good value alternative to other 12 speed cassettes will appreciate the wallet friendly price point. Who's this item for: Anyone who