The sensible choice for cyclocross bikes designed to work in line with traditional drop bar shifterlevers to provide an additional braking control position on the top of handlebars compatible with calliper or cantilever brakes and available in two sizes to fit 260mm and 318mm handlebars comes as a pair a neat 25mm hex bolt takes up tolerances in the pivot eliminating 39slop39 in the lever action machined aluminium or carbon lever aluminium 87g