so they wont get brittle or crack after exposure to lubes and cleaners

Tough composite construction

this is a lightweight alloy bolt

Shift chain to middle front chain ring and third smallest cassette for optimum chain tension

Hope Floating Disc Brake Rotor - Black - 220mm - 6 Bolt Images Uploaded - Ready for Review so they wont get brittleAs 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