Shimano GRX ST-RX810 Shifter/Brake Lever BR-RX810 Hydraulic Disc Brake Caliper - Right/Rear 11-Speed Flat Mount Caliper Eye to eye length (mm)-230 }Full Speed Ahead Energy SB20

}Full Speed Ahead Energy SB20 Seatpost 27

Adhesive Yes Wheel Size All Material Cloth Width 17 Rim Strip Width (mm) 16

Deore M617 ChainringCompatible with 4-bolt 104/64 pattern crank arms

Color Black Defined Color Black Flat Protection Sidewall ISO Diameter 559 / 26" MTN ISO Width (mm) 112 Labeled Size 26 x 4

Shimano GRX ST-RX810 Shifter/Brake Lever BR-RX810 Hydraulic Disc Brake Caliper - Right/Rear 11-Speed Flat Mount Caliper Eye to eye length (mm)-230 }Full Speed Ahead Energy SB20Shimano 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