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The Shimano XTR FC-M9120-B2 crankset features a double chainring setup and is designed for MTB use. Its construction uses direct-mount chainrings, while the specially designed tooth profile helps improve chain retention during mountain biking. The 38-28T chainrings combine a wide gear range with small gaps between gears.
The inner chainring is made of aluminum alloy and is bolted to the outer chainring. The chainrings can be changed easily using the direct-mount system and released with a single tool, while the crankset can be converted from a single to a double setup. The design supports faster acceleration and smoother riding over rough terrain.
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