Originally Posted by
oldbobcat
No, they don't. SRAM makes one inexpensive set of twist-grip shifters that are compatible with Shimano MTB derailleurs. Cassettes don't care about the pull rate, just the spacing between cogs.
I thought I was pretty specific that this is a road bike. The rear der. is just as dumb as a front der. The indexing is done by the shifters. Both Sram and Shimano and Microshift use(or are supposed to) use the same 2:1 indexing in their road shifters.
Thanks anyways.