Shimano GRX ST-RX810 Shifter/Brake Lever BR-RX810 Hydraulic Disc Brake Caliper - Right/Rear 11-Speed Flat Mount Caliper MFPN=1270.016.516 Cassette Body Type Shimano/SRAM 11

Cassette Body Type Shimano/SRAM 11 Speed Road Material Steel

5mm base wont dig into your freehub

Very low profile designed primarily for Mountain Bikes

}Brooks B67 Saddle - Steel Brown Mens

Expander plug compatible with handlebars with internal diameter of 19-21mm

Shimano GRX ST-RX810 Shifter/Brake Lever BR-RX810 Hydraulic Disc Brake Caliper - Right/Rear 11-Speed Flat Mount Caliper MFPN=1270.016.516 Cassette Body Type Shimano/SRAM 11Shimano GRX ST RX810 Shifter Brake Lever with BR RX810 Hydraulic Disc Brake Caliper Right Rear 11 Speed Flat Mount Caliper. GRX ST RX810 Shifter Hydraulic Brake LeverGravel inspired Dual Control shift brake lever and bracket ergonomics Anti slip brake lever Same light shifting operation as top tier systems Tooled reach adjust allows for lever to be adjusted to fit multiple hand sizes and riding preferences TECH SPECS Brake Lever Actuation Hydraulic