SHIMANO SM-CS50 Outer Stopper For Crmo Frame

W lever pedestal often found on steel frames. If you use STI levers, etC, you need to attach a shift wire receptacle called a wire adjuster herE

Shimano makes the SM-CS50 Outer Stopper, which is an outer receptacle with adjuster for steel frame shifter bosses. It comes as a left and right set and includes mounting bolts. Of course, a cable adjuster is also provided, making it easy to make subtle wire tension adjustments.

Shimano part number: Y67B91000