Shimano GRX ST-RX600 Shift/Brake Lever BR-RX400 Hydraulic Disc Brake Caliper - Left/Front 2x Flat Mount Caliper BLK CheckoutTitle=EVOC Ski Roller Snow Gear Bag Upper and lower body crafted Equipped with a tire

Shimano GRX ST RX600 Shift Brake Lever BR RX400 Hydraulic Disc Brake Caliper Left Front 2x Flat Mount Caliper BLK CheckoutTitle=EVOC Ski Roller Snow Gear Bag Upper and lower body crafted Equipped with a tire Upper and lower body crafted from technopolymer that is reinforced with long carbon fiber for exceptional durability Largest Cog 34 Color Carbon Rear Der Shifter Compatibility Campy 12 Speed Chorus Record Super Record 2019+ Rear Derailleur Mount Type 10x1 Standard Drivetrain Speeds 12 Weight 240 Chain Wrap Capacity (teeth) 37 Cage Length Medium 75 ISO 406 Bead Fold Tread Sidewall Color Bk Blk PSI 100 Weight (Grams) 426 TPI 120 Durometer Features DTC Reflective Sidewall No Anti slip lever design GRX ST RX600 Shifter Hydraulic Brake LeverST RX600 Dual Control shift brake levers provide the same light shifting operation as top tier systems