Hope Floating Disc Brake Rotor - Blue - 180mm - 6 Bolt YGroup_7033468289069 For use with standard HG

For use with standard HG (Hyperglide) freehubs

4mm outside spline diameter

thus reducing bottom bracket creaking and premature bearing wear

BR-M615 - Deore

It has a dual 15mm head that has been positioned to provide the optimal amount of mechanical advantage and best of all a bottle opener

Hope Floating Disc Brake Rotor - Blue - 180mm - 6 Bolt YGroup_7033468289069 For use with standard HGAs with everything that Hope produces, there is a whole bunch of precision engineering and fine attention to detail that goes into the creation of their brake rotors. The braking surface is laser cut from a sheet of steel and riveted to an aluminium central carrier to promote the dissipation of heat and compensate for thermal expansion. Available in a range of anodised colours, these rotors will make any bike look great while also improving its