Shimano GRX BL-RS717-L Brake Lever BR-RX410 Hydraulic Disc Brake Caliper - Left/Front Flat Mount Caliper BLK CheckoutSpec= XO Trail Featuring the original DMR logo

Featuring the original DMR logo with corner pins that can still be tuned for preferred grip

Zoom Ace Urban adjustment system with full-ring construction and a non-slip adjusting wheel

Drivetrain Speeds 12 Defined Color Black Rings 46/33 Spindle Interface Type SRAM DUB Chainring BCD 107 Number of Chainrings Double Color Black Crank Intended Use Road BB Included No Pedal Spindle 9/16" Chainline/Hub Compatibility 135/142 Road Disc Hubs < 415 mm Chainstay Chainline/Hub Compatibility 141/148 Boost Hubs Crank Length (mm) 165 keyword search Rival AXS

5 Titanium rails

Shimano GRX BL-RS717-L Brake Lever BR-RX410 Hydraulic Disc Brake Caliper - Left/Front Flat Mount Caliper BLK CheckoutSpec= XO Trail Featuring the original DMR logoThe Shimano GRX BL RS717L is a left only hydraulic brake lever option that is designed to pair perfectly with a right GRX ST RX715 Di2 Dual Control lever thanks to its matching shape and ergonomics. Skipping all the shifting electronics it's a lighter simpler left brake lever option for times when less is more. The RS717 brake lever is paired with a GRX BR RX410 flat mount disc brake caliper that brings a new level of control to gravel cycling with