Hope V4 Vented Disc Brake Rotor - 220mm - 6 Bolt - Dual Layer 3.3mm - Black PLP|Model Year They have a wider edge

They have a wider edge to edge contact area that gives better performance with a solid pedal to shoe interface for efficient power transfer

which has air infused into the grips for reduced weight and improved vibration dampening

760mm gauge into the massive steel base of the Core 3 to help it have a rock-solid stance

Don't have access to an air compressor

Hope V4 Vented Disc Brake Rotor - 220mm - 6 Bolt - Dual Layer 3.3mm - Black PLP|Model Year They have a wider edgeHope Floating V4 rotors have been redesigned with a wider braking surface to enable them to be used as a replacement on many other braking systems in addition to Hopes own. Features: The vented rotor is designed specifically for Hope Tech V series brakes The rotor uses internal fins to allow the air to flow between the two friction parts The induced air flow significantly reduces heat build up in the rotor Fantastic and consistent braking performance