Shimano Tiagra ST-4720/BR-4770 Mechanical Shift/Hydraulic Brake Lever Caliper - Front Flat Mount Finned Resin Pads BLK Model=Rocket Ron Tire All components can also be

All components can also be purchased individually  here

AirScape backpanel with contouring lumbar wrap provides maximum stability

6mm locking pin

just a simple 5mm hex key

Shimano Tiagra ST-4720/BR-4770 Mechanical Shift/Hydraulic Brake Lever Caliper - Front Flat Mount Finned Resin Pads BLK Model=Rocket Ron Tire All components can also beThe Shimano Tiagra ST 4720 hydraulic shift brake lever brings the all condition confidence and refined ergonomics of hydraulic disc brakes to the quick and intuitive shifting cyclists expect from Shimano Tiagra. 2x10 speed Rotor Included No Color Black Brake Caliper Mount Flat Mount Hydraulic Fluid Type Mineral Oil Brake Lever Use Left Pad Compound Resin Hydraulic Hose Length 1000 Adjustable Reach Yes Adjustable Contact Point No Defined Color Black