Shimano GRX ST-RX820-L Shift/Brake Lever - Left 2x Material-Ceramic Chainrings:

Chainrings:

The Service Course SL-70 is the bike fitter’s go-to bar

This gives you a plush predictable ride you can set up in seconds with the lightest weight air spring on the market

20mm graphene reinforced premium hardened steel shackle

45mm Chainline Rings 50/37 Number of Chainrings Double Drivetrain Speeds 12 Chainring BCD Direct Mount SRAM Chainline/Hub Compatibility 135/142 Road Disc Hubs < 415 mm Chainstay Color Natural Carbon Crank Length (mm) 170 Crank Intended Use Road BB Included No Pedal Spindle 9/16" Spindle Interface Type SRAM DUB Defined Color Carbon Size 170Mm Chainrings 50/37T

Shimano GRX ST-RX820-L Shift/Brake Lever - Left 2x Material-Ceramic Chainrings:The Shimano GRX ST RX820 left dual control lever delivers light and responsive mechanical shifting for mixed terrain riding and racing (Note: LD0374 is a non shift dropper post remote variation for 1x set ups). 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