which means

Ensure the chain is in the big ring and smallest cog

It will bring your chain back to life in seconds

Plug Tip: Nonabrasive Brass and 6061 Aluminium

SRAM Centreline 6 Bolt Disc Brake Rotor - 180mm - Rounded Edges - 6 Bolt Do Not Ship Internationally which meansThe Centreline rotor represents all that SRAM and Avid have learned through many years of designing braking systems. These rotors are optimised to create a consistent feel. The braking surface area stays consistent regardless of position on the rotor. This design minimised the chance of vibration. The large cut outs ensure good ventilation and aid in keeping the rotor cool. The stainless steel material used is extremely robust. These will suit all