Shimano GRX ST-RX820-R Shift/Brake Lever - Right 12-Speed CheckoutTitle=RockShox Vivid 2011-12 Full Service Kit - 11.4118.020.001 and it won't pollute your

and it won't pollute your wax room

TLR: tubeless ready setup that is the lightest and fastest casing option

which is compatible with Wolf Tooth Aero Direct Mount Chainrings for SRAM 8-Bolt

All Di2 components on the bicycle require the same firmware version

Shimano GRX ST-RX820-R Shift/Brake Lever - Right 12-Speed CheckoutTitle=RockShox Vivid 2011-12 Full Service Kit - 11.4118.020.001 and it won't pollute yourThe Shimano GRX ST RX820 right 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. The SERVO WAVE brake lever action provides greater braking power with improved control. 12 speed shifter with brake lever for use with GRX