Shimano STI Levers Tiagra 4600/4603 10 Speed with cables Easy operation design lever compact lever bracket hood is made from soft rubber & anatomically shaped to allow easy braking & shifting regardless of hand position Arced travel on the shift lever always keeps the lever in reach when sweeping shifts across the cassette 10-speed precision road shifting Adjustable reach main lever via a shim system & light-action release lever assure easy gear shifting & braking Super SLR brake levers for use with Super SLR brake callipers Optical gear display incorporated into the top of the shift lever instantly shows you what gear you're in Precision shifting courtesy of Shimano indexing system Weight: 509g