The Tiagra SL-4600 Rapidfire Shifters are mountain bike style levers for road bikes fitted with flat handlebars and 10-speed road drivetrains
Shimano proven performance ensures instant release of the gear for super fast shifts, moving the chain to the next gear at the precise moment the lever is actuated.
Just like with all Rapidfire shifters form Shimano the 4600's sport multi release tech that allows multiple gear changes from both levers with one sweep, further adding to the speed of shifting.
Complete with inner cable and housing
Must only be used with FD-4600, FD-5700 and FD-6700 double front derailleurs.