Shimano GRX ST-RX820 Shifter/Disc Brake Lever & Caliper - Lever Assemby - Black - Rear - Left Lever Virtual Parent Gauge Yes / No: This

Gauge Yes / No: This pump doesn't feature a gauge

Inner thigh laser venting for additional cooling

The OneUp stem is also compatible with existing threaded EDC top caps for people who’ve already threaded their steerer tube or with the Threadless EDC Tool carrier for those that would prefer not to thread their steerer tube

50T max tooth size

1x outer shell

Shimano GRX ST-RX820 Shifter/Disc Brake Lever & Caliper - Lever Assemby - Black - Rear - Left Lever Virtual Parent Gauge Yes / No: ThisThe Shimano GRX ST R820 Dual Control Lever delivers light and responsive mechanical 12 speed shifting for mixed terrain riding and racing. The ergonomic shifter design improves comfort by decreasing pressure on your palms, while the textured, anti slip brake lever surface increases control on bumpy terrain.