anything cheaper?
A single Shimano clamp?
You need to take the shifter off and have a look at what fits: the clamps for different groups vary slightly.
Being an old part, you might have to repurpose something other than Sora.
Just by eye-ing it all I don't think they would fit. . BUT! I have a newer broken tiagra brifter that I can take the clamp from and test it out...
@r_mash started
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A single Shimano clamp?
You need to take the shifter off and have a look at what fits: the clamps for different groups vary slightly.
Being an old part, you might have to repurpose something other than Sora.