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Sunrace CSMZ91 12s Cassette & Freehub 10-50t
Compatible With All Rapidé Rear Hubs 2018-2022
Get the SunRace CSMZ91 Cassette and Cassette Body for Rapidé hubs together and save even more! Convert any Rapidé 2018 and later MTB/Gravel rear hub to 10-50 12 speed.
The SunRace CSMZ91 WT5 10-50t 12 Speed Cassette delivers the advantages of a 10 tooth top gear in a surprisingly logical way.
A small step-down is designed into the end of an otherwise standard cassette body and this allows the smaller 10t cog to fit. The cassette is constructed in the same way as the other lightweight cassettes in SunRace’s range – two lightweight alloy carriers with cogs attached.
The 10t and 12t cogs are machined out of a single piece of high tensile steel.
Because the cassette and cassette body are based on existing designs the manufacturing cost is lower.
Standard Cassette Body
SunRace Cassette Body
Built with light weight alloy cog carriers, hard wearing chromoly 10-36t cassette cogs and AL7075-T6 42t and 50t cogs to keep the weight down and drivetrain stiffness up.
The inclusion of a 10t cog gives you a taller top gear for flat terrain and down hills while leaving the climbing gear ratios unaltered.
12 Speed 10-50t
7 cogs on 2 aluminium spiders
Black Chrome finish
Optimized gear ratios
Compatible with 12 speed drivetrains
Only compatible with Rapidé 2018 and later MTB/Gravel rear hubs