The RT-MT900 offers stable, smooth, reliable and continuous braking performance. The temperature during hard braking manoeuvres has been further reduced.

The new XTR continues 27 years of MTB innovation with even more speed, focus and control. Want to push the limits on today's extremely demanding courses? The new XTR is packed with the technological edge you need. And it will inspire you to get the best out of yourself.

Shimano has continued to work very hard since they introduced the very first MTB groupset 27 years ago. The XTR is convincing proof of this. With its completely new design, it is by far the most advanced MTB groupset on the market. It is lighter, more comfortable, more robust and more versatile. At the same time, it converts the rider's power into propulsion with extreme efficiency. Diameter: 140mm.