Shimano Zee RD-M640
The Zee RD-M640 is a 10-speed Shadow Plus rear derailleur built for single-ring MTB setups with a maximum cog of 28T and 25T total capacity. It handles hardtail and full-suspension trail bikes that benefit from a reliable, long-cage derailleur.
- Shadow Plus RD
- Min cog: 11
- Max cog: 28(DH)/36(Freeride)
- For single ring set-up
- Total capacity: 25
- Shimano Dyna-Sys 10 speed transmission
Pairs well with
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