FD-M9100 SIDE SWING Front Derailleur The derailleur, with a proven design that allows for increased tire clearance and reduced operating forces, has been further optimized. It is now possible to adjust the alignment for 48.8 mm for the 142 mm standard and also for 51.8 mm chainlines for frames with a 148 mm installation width. Additionally, the weight has been reduced once again. The recommended maximum gear difference (capacity) is 12 teeth, with the largest gear being 38 teeth. The derailleur performs best on frames with a chainstay angle of 66 - 69° and with the CN-M9100 chain. The mounting clamp can be reduced to 31.8 mm or 28.6 mm using an adapter. Shimano XTR M9100 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 trails? The new XTR comes with all the technological advantages you need. And it will inspire you to get the most out of yourself. Shimano developers have kept working hard since introducing the first MTB groupset 27 years ago. The XTR is compelling proof of that. 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. In doing so, it converts rider power into propulsion with extreme efficiency.

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