Shimano Tiagra BR-4770 Rear Flat-Mount Hydraulic Disc Brake Caliper Resin Pads Fins D630K Safety is the key with

Safety is the key with integrated reflectors and a LED taillight at the back ensuring high visibility of the cyclist during the day and night

The precise and highly sensitive tuned leaf springs work so well that they do not affect the performance of the bike or cyclist

Hub Weight 120g Hub Spacing 110mm Boost Primary Color Red Axle Type 15mm TA Hub Drilling 24H Hub Spoke Type J-bend Rotor Mount Center Lock Position Front

The smaller lightweight 215g design is perfect for travel and easy to fit in the toolbox

New AERO+ rim profile minimizes both aero drag and steering moment to improve its aerodynamic and controlling in even strong cross wind

Shimano Tiagra BR-4770 Rear Flat-Mount Hydraulic Disc Brake Caliper Resin Pads Fins D630K Safety is the key withThe Shimano BR 4770 disc brake caliper offers greater rider control in all conditions. With convenient One Way Bleeding and an easy hose joint system installation and adjustments are simple. Greater rider control and confidence in all conditions Simple set up and maintenance Easy and clean bleeding system Simple wheel replacement Convenient tool access 2 piston caliper Brake Lever Actuation Hydraulic Rotor Included No Brake Caliper Type Flat Mount