Shimano deore m590 rapidfire 9 speed trigger shifter
Shimano39s new 9 speed gear shifter uses state of the art component technology which makes shifting seamless and intuitive enabling riders to deliver consistent efficient power while maintaining the delicate balance of traction and momentum control precise positioning is key to this range creating superior stability for optimum performance the low friction design means that the shifter has a light and responsive short stroke action that reduces shifting effort masters of the cyclin