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Shimano XTR FC-M9120-B2 28-38t Boost Crankset
Shimano XTR FC-M9120-B2 28-38t Crankset
 
Our Price: $617.99


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Product Code: SHIMANO19-FC-M9120-B2

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Description
 
Shimano XTR FC-M9120-B2 28-38t Crankset: Both the M9100 and M9120 single ring cranks share the same 52mm chain line. This is possible with some chain and chain ring technology. With a double we were not able to keep the chain line the same due to boost and non-boost, so the M9100 has a 48.8mm and the M9120 has a 51.8 chain line.

You’ll also notice lack of chainring bolts on the new cranks. We’ve gone away from them and moved to a direct mount style chainring for both single and double. If you’d like to switch back and forth between single and double rings it’s possible using the same crank arms.

For a single ring set up your chainring options will include 30, 32, 34, 36, and 38t (SM-CRM95). The only gearing option on the double is 38-28t. For the double, the large ring is direct mount and the small ring uses chainring bolts that thread into the large ring.
Specs & Information
  • series: XTR M9100 Series
  • model: M9120
  • speed: 2x12sp
  • interface: HT2
  • rings: 28/38
  • Q-factor: 168 mm
  • chainline: 51.8 mm

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