In comparison to the very streamlined

The replaceable 10mm hex pins are rear loaded so they are easier to replace in the future

Compression damper style technologies / adjustments:

and 16mm hex bits

Hope V4 Vented Disc Brake Rotor - 220mm - 6 Bolt - Dual Layer 3.3mm - Orange PDP|Option In comparison to the veryHope 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