Shimano GRX ST-RX600 Shift/Brake Lever BR-RX400 Hydraulic Disc Brake Caliper - Left/Front 2x Flat Mount Caliper BLK CheckoutTitle=Northwave Sonic Junior 10 Tire Type Clincher PSI

10 Tire Type Clincher PSI 65

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Left 57 Weight 176 Hub Drilling 28 Bearing Type Sealed Cartridge Front Axle 15mm Thru x 110mm Hub/Brake Compatibility 6-Bolt Disc Center to Flange

5mm and 44mm 16-notch Cups

Shimano GRX ST-RX600 Shift/Brake Lever BR-RX400 Hydraulic Disc Brake Caliper - Left/Front 2x Flat Mount Caliper BLK CheckoutTitle=Northwave Sonic Junior 10 Tire Type Clincher PSIGRX ST RX600 Shifter Hydraulic Brake LeverST RX600 Dual Control shift brake levers provide the same light shifting operation as top tier systems Anti slip lever design Reach adjust mechanism allows lever to be adjusted to suit any hand size type of riding and individual rider preferences Brake Lever Actuation Hydraulic Double or Triple Double Rotor Included No Brake Caliper Mount Flat Mount Brake Lever Use Left Rear Der Shifter Compatibility Shimano