Shimano XT FC-M8000-1 11-speed Chainring (SM-CRM81)

  • Shimano XT FC-M8000-1 11-speed Chainring (SM-CRM81) - Components - Shimano - - - - Speedlab


Shimano XT FC-M8000-1 11-speed Chainring (SM-CRM81)


Price incl. VAT excl. Local Import Taxes & Shipping Costs.

BTBF Members Qualify for a 5% Discount


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Shimano XT FC-M8000-1 11-speed chainring - perfected chain guide
The Shimano chainring SM-CRM81 for XT FC-M8000-1 11-speed cranks provides even more efficient chain guidance. Responsible for this is the Dynamic Chain Engagement+, in which the tooth profiles are shaped in such a way that they offer optimum chain retention. This allows the chain to ride perfectly along the chainring. At the same time there is less noise and wear.

Application: Cross Country, All Mountain
Mount: 96 mm pitch circle, 4-arm asymmetrical
Teeth: 30 t, 32 t, 34 t
Gearing: 1x11-speed

Technical Information:
Material: stainless steel, carbon (CFRP)

- XT FC-M8000
- XT FC-M8000-B

- coated steel teeth for maximum durability
- painted

Dynamic Chain Engagement+
Shimano's Dynamic Chain Engagement+ is a special gear teeth profile designed for use in single-chainring configurations for XC, enduro, and trail riding. It gives more chain retention and smoother pedalling - even over bumpy terrain. Chain retention of any gear will reduce abrasion and worn out.

Manufacturer Part Numbers:
30 tooth: I-SMCRM81A0
32 tooth: I-SMCRM81A2
34 tooth: I-SMCRM81A4

- 1 x Shimano XT SM-CRM81 chainring






Can I change the chainring size on my Shimano XT 11 speed MTB crankset?
Yes, the Shimano XT 11 speed MTB chainring is exchangable by P.C.D. 96.

mm. What chain ring combinations are available for the Shimano XT 11 speed MTB chainring?
The Shimano XT 11 speed MTB chainring combinations are 30T, 32T and 34T.

What chain is compatible with the Shimano XT 11 speed MTB chainring?
The Shimano XT 11 speed MTB chainring is compatible with chain HG-X 11 speed.

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SPEEDLAB ships from Monday to Friday with the exception of public holidays. We ship complete orders only, i.e. the dispatch usually takes place as soon as all ordered items are ready for dispatch. Please contact the SPEEDLAB service team if you wish a partial delivery.


Depending on destination country, package size, volume and weight, SPEEDLAB ships with the carriers German Post, DHL, German parcel service, DPD, USP. Deliveries of bulky goods, for example complete bicycles, will be handled by selected forwarding companies.

For return shipments SPEEDLAB cooperates with German Post, DHL and DPD. Large bulky goods like bicycles will be picked up by a forwarding company.

In Germany and most European countries the are shipped with DHL, Hermes, DPD, UPS, German Post.




  • Germany 5,99 Euro DHL / DPD / Hermes / German post
  • Rest of Europe: 13,99 Euro (DHL, DPD, Hermes)
  • Rest of world: 29,99 Euro DHL
  • Cash on Delivery + 4,9 €


For all items marked with this symbol, which are ordered on business days from Monday to Friday by 3 p.m. (CET), we offer the DHL Express shipping option or UPS for selected delivery countries. The DHL Express&UPS option is subject to an additional surcharge. It can be selected during the ordering process, provided that all items in the shopping cart offer the Express option. In addition the DHL Express option must be available for the selected delivery adress.

An order within the EU usually arrives the following business day. Depending on the postal code of the delivery address, longer parcel delivery times may occur.


  • Germany 15 Euro (DHL, UPS, TNT)
  • Rest of Europe – 49 EURO (DHL, UPS, TNT )
  • Rest of world – on request

In-stock items will be shipped within Germany in 1-2 working days, within Europe and worldwide in 1-3 working days. Unfortunately the delivery at a certain date given by you is not possible due to logistic reasons.

Should the ordered item not be in stock, the delivery time is extended analogue to the delivery in our warehouse. Information regarding the availability can be obtained at +49-7022-9-777-818 or

Please note: The ordered goods may be subject to a partial delivery.

Import Taxes, Customs Duties and Fees / National VAT

The indicated prices including VAT. In addition to the calculated SPEEDLAB shipping costs customers not living in the EU have to pay the national VAT and duty in their country for the imported goods.

Transport Damage

If you receive a damaged shipment please refuse the receipt if possible. Anyway, please get in touch with the Bike24 service team by e-mail or phone as soon as possible. We will be happy to solve the issue.


The SPEEDLAB team will do its best to fulfill your change requests.

The wish to cancel must be declared within 14 days after receipt of the goods. The return must take place within 14 days after the declaration of the cancellation.

Before the actual dispatch of your order, it can still be canceled. Please send us your request as soon as possible using the contact form or call us by phone. Should the payment have been charged already, it will be refunded in a timely manner.

Pack everything you want to return to SPEEDLAB carefully and include your order number. Remove the old shipping label and attach the return label to the package. You can return the package at DHL and Hermes stations. For all other countries: Please contact us with your return request and our customer service will arrange the process. Usually, SPEEDLAB covers the return costs.

A return will be processed at SPEEDLAB within a few working days. Once your request has been successfully processed it will be confirmed by e-mail. A possibly necessary refund will be processed directly afterwards.


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