Will SRAM work with my Shimano rear derailleur?
No, but ST-5700 (Shimano 105) with concealed shift cables will work with 10-speed Tiagra. Using bar-end shifters on drop bars will just move the dangling loops of a shift cable to a slightly different location.
The downside is that the 5700 doesn't feel quite as nice as the 4600 with disc brakes.
@edscoble started
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No, but ST-5700 (Shimano 105) with concealed shift cables will work with 10-speed Tiagra. Using bar-end shifters on drop bars will just move the dangling loops of a shift cable to a slightly different location.