By partnering with Magura to produce UNO's brake systems (both disc and rim), you get the benefit of more than a century's­ worth of expertise in hydraulic brake systems. Choose either RT8 rim or MT8 disc brakes designed for standard frame installation. Disc brakes feature a 160mm rotor while the rim brakes feature a barrel adjuster for fine tuning brake response and a proprietary quick release for speedy wheel changes.