Flash Pro Black Prince Full-Type Brake Shoes Sensors For use as a bicycle

For use as a bicycle component or accessory theft deterrent

but is compatible with 8- to 13-speed drivetrains* as well as Zwift Cog and Click — letting you train with the setup that matches your goals and gear—whether you prefer the tactile feel of mechanical shifting or the clean simplicity of wireless

Compatibility: Shimano

Light-weight flexibility in a compact design

and repeat - that's the basic idea behind Speedo's ProLT fabric

Flash Pro Black Prince Full-Type Brake Shoes Sensors For use as a bicycleExcellent modulation, cooler temperatures and great wet weather brake performance. The Black Prince brings the feel of braking on alloy wheels to carbon wheels. Increased braking force in wet conditions means shorter stopping distances. Braking force increases progressively with additional lever force, resulting in better control of braking in wet conditions. 2 pack