Shimano GRX BL-RS717-L Brake Lever BR-RX410 Hydraulic Disc Brake Caliper - Left/Front Flat Mount Caliper BLK CheckoutSpec= 35 Overmold construction technology reinforces bottle/mount Model Spike Race 33 Weight-346 Casing Durability:Durable Plus Grip Plus Compound BK00589

Shimano GRX BL RS717 L Brake Lever BR RX410 Hydraulic Disc Brake Caliper Left Front Flat Mount Caliper BLK CheckoutSpec= 35 Overmold construction technology reinforces bottle mount Model Spike Race 33 Weight 346 Casing Durability:Durable Plus Grip Plus Compound BK00589 Overmold construction technology reinforces bottle mount interface without the need for external reinforcement straps Approved for E bike use max 250W Brake Compatibility Disc Only Rim Width (Internal) 30 Brake Track None Manufacturer Spec ERD (mm) 599 Valve Presta Color Silver Weight 650 Wheel Size 29" Designed for ebike Yes Defined Color Silver ISO Diameter 622 Road 29" Eyelets None Hub Drilling 32 Rim Joint Welded Rim Material Alloy Tire Type Tubeless Ready