Shimano Dura-Ace Ultimate BC-9000 Road Brake Cable Set - Black BF Apparel the BOA® Closure uses a

the BOA® Closure uses a ratcheting mechanism that will not creep or loosen even under the most extreme vibration and impact

It has extremely low friction coefficient in all the environments

By controlling two separate BOA dials

adjust the tension

Shimano Dura-Ace Ultimate BC-9000 Road Brake Cable Set - Black BF Apparel the BOA® Closure uses aShimano Dura Ace Ultimate BC 9000 Road Brake Cable Set Black Specifications Includes 1. 6mm Polymer coated inner wires (1 x 2000mm, 1 x 1000mm), and SLR outer casing for a complete bike (1 x 1800mm, 1 x 800mm), and all end caps. Polymer coated stainless steel inner wire leaves a smooth surface for low friction and reduced sliding resistance providing a lighter quicker braking operation. Outer casing is lubricated internally along its length with low