Shiftmate 8A Designed for mixing Shimano 11 speed road STI with Shimano 11 speed MTN derailleur. This allows you to use drop handlebars with off road gearing, as on cyclocross bicycles. To use straight handlebars on an 11 speed road bike fit the Shiftmate at the shifter. This allows Shimano 11 speed MTN shifters to work with Shimano 11 … Continue reading Shiftmate 8A