and they are compatible with tear off and roll off systems

Sleeve Length: This is a short sleeve T-Shirt

OneUp uses a nylon composite body and a bushing/bearing combo

Colour anodised

They are also highly recommended if you're running a Garbaruk wide-range cassette and/or their derailleur cage

Hope V4 Vented Disc Brake Rotor - 203mm - 6 Bolt - Dual Layer 3.3mm - Blue Needs Images and they are compatible withHope 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