NEW Shimano GRX ST-RX610-R Shift/Brake Lever - Right, 12-Speed, Black variant-size-55cm Rear Derailleur: SRAM Apex 1

Rear Derailleur: SRAM Apex 1

Chain : KMC e12 Turbo Silver

with a slightly sloped top tube on XS and Small frames for improved standover and comfort

Rotors : 180/160mm Rotors Wave 12

Stretch-to-fit sizing system

NEW Shimano GRX ST-RX610-R Shift/Brake Lever - Right, 12-Speed, Black variant-size-55cm Rear Derailleur: SRAM Apex 1The Shimano GRX ST RX610 right dual control lever delivers light and responsive shifting for mixed terrain riding. The textured hood and anti slip brake lever surface increase control on bumpy terrain. 12 speed shifter with brake lever for use with GRX RX610 12 speed systems Gravel specific lever body ergonomics and anti slip lever coating provides greater control on mixed terrain