Problem Solvers Downtube Shifter Mount

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The Problem Solvers Downtube Shifter Mount is a clamp-on component that allows you to mount shifters to your downtube. Allows the use of downtube shifters on bikes without downtube shifter braze-ons Compatible with 9/10-speed Shimano shifters 31.8mm clamp with shims for 28.6mm tubes Shifters not included Show more