Shimano GRX ST-RX820The GRX 820 Dual Control Lever delivers light and responsive shifting for mixed terrain riding. The ergonomic shifter design improves comfort and the textured, anti slip brake lever increases control on bumpy terrain. ST RX820 LA option for adjustable seat post Mechanical shift Hydraulic disc brake Mineral oil Consistent braking performance in all weather conditions Reach adjustment range (10. 9 mm) Clamp band diameter 23. 8 24. 2 mm Recommended brake
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