Formula 2-Piece 6-Bolt Disc Brake Rotor - 203mm - 6 Bolt - Standard - 1.8mm to 1.9mm - Black Internal Needs Images These reasonably lightweight cassettes are

These reasonably lightweight cassettes are designed with Shimano's DYNA-SYS philosophies ensuring crisp

Black - 32mm - Dust Wipers / 5mm Foam Rings 11

Using the proprietary Graphene enhanced 4C compound

Technical Specs:

14T+14T: 12-speed Shimano derailleurs with standard cage

Formula 2-Piece 6-Bolt Disc Brake Rotor - 203mm - 6 Bolt - Standard - 1.8mm to 1.9mm - Black Internal Needs Images These reasonably lightweight cassettes areFormula have updated their two piece, semi floating rotors to reflect the look of the rest of their rotor range. An anodized Aluminium Spider holds the revised steel brake band by six contact points. They are available with Black and Gold spiders. Under heavy or prolonged braking, a single piece rotor can start to heat up and begin to warp and wobble, which can be felt through the brake lever as pulsing. Two piece rotors cool more efficiently than