• I'm on sram, does shimano or sram do that ratio and would I need a long cage mech?

    Edit: is a 10 speed bike

  • would I need a long cage mech?

    Mid cage MTB RD is the way to go for SRAM 10-speed. You only need the long cage for triples. Might even get away with short cage if you're not going full dinner plate on the big sprocket.

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