NEW Shimano GRX ST-RX400/BR-RX400 Right Hydraulic Disc Brake and Shift Lever 10 type_groupset-build-kits-gruppos Fits most standard mountain handlebars

Fits most standard mountain handlebars and most drop bars (except ergonomic drop bars that have hard angles in the drops)

Ample tire clearance and single speed-ready Alternator Flat Mount dropouts will see you through the muddiest rides

This lock provides increased flexibility by offering 360 degree link rotation

Less fatigue on long tours

NEW Shimano GRX ST-RX400/BR-RX400 Right Hydraulic Disc Brake and Shift Lever 10 type_groupset-build-kits-gruppos Fits most standard mountain handlebarsThe Shimano GRX ST RX400 10 speed hydraulic disc brake lever provides greater control on mixed terrain. Gravel inspired Dual Control shift brake lever and bracket ergonomics Anti slip brake lever Same light shifting operation as top tier systems Tooled reach adjust allows for lever to be adjusted to fit multiple hand sizes and riding preferences Compatible only with FD 4700 and FD RX400 front derailleurs, and RD RX400 and RD 4700 rear derailleurs Pad