Shimano GRX RX825 DI2 STI Shifter Hydraulic Disc Brake Dual Control Lever, 2x12 Speed Assembly Technology_Spherical HUB TYPE: 370 Fork Advanced grade Composite HUB TYPE: 370 and dual sided entry with the Easy Tension Cleat deliver ease of use and confidence to the rider Bracket cover color 1 Standard Shifter type DUAL CONTROL LEVER Shift lever Front speeds 2 Brake lever Brake hose (kit) SM BH90 JK SSR Brake lever Hose joint Straight Brake lever Brake hose color (kit) 1 Black Brake lever Recommended brake caliper BR RX820 Brake lever Oil SHIMANO Mineral Brake lever Reach adjust ✔ Brake lever Funnel bleeding ✔ Brake lever Free stroke adjust ✔ Brake lever SERVO WAVE ✔ Clamp band Diameter (mm) 23 Brake type Hydraulic disc brake Brake hose (kit) SM BH90 JK SSR Hose joint Straight Brake hose color (kit) 1 Black J Kit spec (for OEM) ✔ ICE TECHNOLOGIES pad compatible caliper ✔ Pad Standard 1 K05S RX Resin (w o fin) Pad Standard 2 L05A RF Resin (w fin) Pad Option 1 L04C MF Metal (w fin) Fixing screw spec for rear mount 10 mm mount ✔ Fixing screw spec for rear mount 15 mm mount ✔ Fixing screw spec for rear mount 20 mm mount ✔ Fixing screw spec for rear mount 25 mm mount ✔ Fixing screw spec for rear mount 30 mm mount ✔ Fixing screw spec for rear mount 35 mm mount ✔ Recommended brake lever ST RX820 ST RX820 LA BL RX820 L Recommended disc brake rotor RT CL800 Oil SHIMANO mineral ONE WAY BLEEDING ✔ Mount type Flat mount Piston 2 Caliper fixing screw Tool size 4 mm Caliper fixing screw Anti loosen method Screw fix pin+Snap ring Pad mount Pad axle