Shimano XTR CN-M9100 Chain - 12-Speed - Thunder Mountain Bikes
Shimano XTR CN-M9100 Chain - 12-Speed - Thunder Mountain Bikes

XTR CN-M9100 Chain - 12-Speed

SKU: ICNM9100126Q

Regular price$68.99
  • In stock, ready to ship
  • Inventory on the way
  • Free shipping on all orders $49+

Designed for SHIMANO's revolutionary XTR M9100 12-speed MTB groupset, the M9100 chain provides enhanced chain retention thanks to an extended portion of the inner plate. The new chain features quick-link assembly and SIL-TEC treatment for extended offroad durability.


  • Series: XTR
  • Type: HG
  • Generation: M9100
  • Speeds: 12
  • Roller link plate: Chromizing
  • Hollow pins
  • # of links: 126
  • Weight: 242 grams



Please reach out to us with any questions you may have on anything we sell. We want to make sure you get the right part the first time. Our lifelong riders at Thunder Mountain Bikes are knowledgeable and would love to talk to you!


We currently offer both economy and expedited shipping options though FedEX and USPS. 

Orders totaling over $49 are eligible to ship for free via an economy ground option of our choice. 

If you're in need of something super-quick, please contact us directly. We may be able to overnight your order with an additional fee and depending on your location. 


Should there be an issue with the item you bought, or you no longer need your purchase, we will be happy to set up a return.

All returns must be requested within sixty (60) days of the fulfillment date (i.e. the date we printed the shipping label and boxed up your order.) All returned items must be received in new and unused condition, with the original tags and labels attached, and in the original packaging.  We cannot accept returns on any items that have been installed or show wear of any kind. 

Return Process

To request a return, please visit: and follow the steps to return eligible items from your order. 


After receiving your return and inspecting the condition of your item, we will process your return. Please allow at least seven (7) days from the receipt of your item to process your return or exchange. We will notify you by email when your return has been processed.

For all Special Order items, there is a 25% restocking fee. Special Order items are those that we do not currently stock.


For defective, damaged, or if we sent you the wrong products, please contact us using the phone number or email below.

Other questions?

If you have any questions concerning our return policy, please contact us at:

(928) 282-1106   |

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Customer Reviews

Based on 9 reviews
Kevin Hon

XTR CN-M9100 Chain - 12-Speed

Keith Roller
Great service and solid product

Thunder Mountain seems to have a better inventory for components than most shops and does not mark up the prices. Shipping is prompt and the systems provide great order/shipping status.

Excellent chain

So light, very quite an stiff. So happy I hope it last more than XT

raden baldogo
great upgrade from slx shifter

way smoother +down/up shift twice as much🤙🏼🤙🏼🤙🏼

David Mcaleenan
great company

great customer service