Tacx brake shoe tuner tool tacx brake shoe tuner tool an ingenious tool for the optimal tuning of your brake shoes works on atb and race bike wheels with a maximun of 36 spokes and rims upto 40mm wide tacx brake shoe tuner tool features allows very accurate adjustment in a miniscule amount of time compatible with most types of rim brake can be adjusted for vaerious rim widths buy tacx brake shoe tuner tool from chain reaction cycles the worlds largest online bike store