Shimano XTR FC-M9120-B2

your mood? That's why Shimano decided against it. But a gear ratio range of 612% is already impressive. In the 2-speed variant, Shimano also relies on a direct mount design, which facilitates the exchange of chainrings. With a widened Q-factor of 168 mm, the FC-M9120-B2 offers sufficient heel clearance for frames with 148 mm installation dimension.Hollowtech IIDhe development of the Hollowtech II crankset was carried out with a view to optimum and efficient power transmission. The Hollowtech technology allows on the one hand extremely light, hollow crank arms, which are manufactured using Shimano's exclusive forging technology to obtain maximum stiffness. In addition, the Hollowtech II crankset has the right crank firmly attached to the axle for an optimal balance between maximum stiffness and minimum weight.Shimano XTR M9100The new XTR continues 27 years of MTB innovation with even more speed, focus and control. Want to push the limits, and on today's extremely demanding courses? The new XTR is packed to the brim with the technological edge you need to do just that. And it will inspire you to get everything out of you. Shimano has continued to work very hard since they introduced the very first MTB group 27 years ago. The XTR is the convincing proof of this. With its new design from scratch, it is by far the most advanced MTB group on the market. It is lighter, more comfortable, more robust and more versatile. At the same time, it converts with extreme efficiency the power of the driver in propulsion. - Details: - For housing width: 68/73 mm - Recommended chain: CN-M9100 - Q-factor: 168 mm - Recommended bottom bracket: SM-BB94-41A (Pressfit), SM-BB93 (screwed) - Chainring options: 30, 32, 34, 36, 38 teeth - Intended use: MTB - Weight: 592 g Included in delivery: Crank with chainrings Chainrings - Number of chainrings: 2 chainrings - Gear ratio: 38/28 teeth Crank - Bolt circle type: without bolt circle - Chainline: 52 mm - Bottom bracket diameter (mm): 24 mm - Rear derailleur compatibility: 12-speed - Type: Direct Mount - Axle mount: 24mm - Bolt circle: without bolt circle mm.