Dear customers, due to COVID-19 restrictions, our business is impacted as many others. Slow supply of raw materials, high prices of materials, movement restrictions of our peoples...
We are a small family business and we struggle between our day jobs, families and AmberBikes.
We will proceed all the orders, this is our promise.
If you consider placing an order, please allow us longer delivery time.

Shimano XTR M9100

Shimano XTR M9100 Narrow wide chainrings are specially designed for the Shimano XTR M9100 and MT900 cranks.
IMPORTANT: While placing order, please leave a comment if you need it compatible with a normal chain or 12-speed (incl. Shimano HG+ & SRAM AXS Flattop)

  • Narrow wide system : thanks to the variable thickness of the teeth, the chain is hold from dropping even in rough sections!
  • Smooth spinning compared to a classic chainring thanks to the special design of the teeth profile.
  • Increased chain retention during strong jolts thanks to the improved teeth height.
  • Mud evacuation system for a top performance whatever is the weather.
  • Gain 150 to 400 grams on your bicycle weight when going from a classic configuration (with front derailleur and chain guide) to a single front chainring made by Amber Bikes.
  • Made from hard wearing aluminum alloy.

Technical specifications
  • Material: 7075-T6
  • Manufacturing: CNC Milling
  • Weight (+/-1g):  45g (28T), 51g (30T), 57g (32T), 63g (34T), 72g (36T), 75g (38T).
  • Weight Oval (+/-1g): 47g (28T), 53g (30T), 57g (32T), 62g (34T), 68g (36T), 76g (38T).
  • Chainline (mm): 51.3mm (28-36T), 53.8mm (38T).
  • Chainline Oval (mm): 
  • Offset (mm): 6.4mm (28-32T), 5.9mm (34-36T), 3.9mm (38T).
  • Offset Oval (mm):
  • Compatible with: Shimano M9100 and MT900 cranksets
  • Surface coating: Colored anodized