Shimano replacement cogs for use with XT/XTR 11-speed cassettes.Item Specifications: Tooth Count, 13, Cassette Body Type, Shimano HG, Drivetrain Speeds, 11,

Shimano XT CS-M8000 13-Tooth Steel 11-Speed Cassette Cog for Mountain & Trail Riding

Reference Number: 1Q31H7

Upgrade your mountain biking setup with the Shimano XT CS-M8000 11-Speed 13t XTR CS-M9000 Cassette Cog Steel Ramped 11s - designed for durability, precision, and seamless performance in demanding trail conditions. Crafted from high-quality steel, this cassette cog offers enhanced strength and longevity, making it an ideal replacement or upgrade for Shimano XT and XTR 11-speed drivetrains.

Materials & Durability

Constructed from durable steel, the Shimano XT CS-M8000 cassette cog ensures reliable wear resistance and consistent shifting performance across rugged terrains. Its steel construction provides superior strength and robustness, ideal for aggressive mountain biking and long-distance trail adventures.

Performance & Engineering

Engineered for smooth, precise gear transitions, this 13-tooth cog features advanced ramping technology that optimizes chain movement for quicker, more accurate shifting. Compatible with Shimano HG freehub bodies, it maintains optimal engagement and power transfer, ensuring efficient energy delivery whether climbing steep inclines or racing on descents.

Components & Technology

Designed specifically for 11-speed drivetrain systems, the cassette cog integrates seamlessly with Shimano's lightweight cassette assemblies, enabling precise gear indexing and minimal drivetrain play. Its aggressive tooth profile enhances chain grip, reducing slippage during intense riding sessions.

Style & Use Case

Perfect for trail, enduro, and mountain biking, the Shimano XT CS-M8000 11-Speed Cassette Cog offers a sleek, functional look that complements aggressive bike builds. Its stealthy steel finish pairs well with a range of wheelsets and frames, making it a versatile upgrade for riders seeking durability and reliable shifting performance.

Innovative Features

This cassette cog features Shimano's dedicated ramped design, facilitating rapid gear changes and maintaining chain stability during high-intensity rides. Compatibility with Shimano HG freehub bodies ensures easy installation and maintenance, making it a smart choice for both practitioners and enthusiasts looking to enhance their drivetrain's performance.

Optimize your mountain bike's drivetrain with this high-performance steel cassette cog - engineered for durability, quick shifts, and reliable operation across challenging terrains. Whether replacing worn-out components or upgrading for increased performance, the Shimano XT CS-M8000 11-Speed 13t XTR CS-M9000 Cassette Cog is the perfect addition to your cycling arsenal.

Keywords: Shimano XT CS-M8000, 11-speed cassette, 13-tooth sprocket, mountain bike drivetrain, steel cassette cog, fast shifting, durable mountain bike parts, compatible with HG freehub, upgrade mountain bike gears, trail riding components

  • Premium steel construction ensures durability and long-lasting performance under the toughest riding conditions.
  • Designed specifically for Shimano XT and XTR 11-speed drivetrains, the 13-tooth cog provides precise gear shifting and smooth acceleration.
  • Engineered with Shimano's advanced ramped technology to optimize gear engagement and reduce derailleur wear, enhancing drivetrain efficiency.
  • Compatible with Shimano HG cassette bodies, making installation straightforward and maximizing compatibility across Shimano's MTB and gravel bike lines.
  • Ideal for upgrading or replacing worn cogs, the Shimano XT CS-M8000 11-speed cassette cog offers reliable, high-performance performance for aggressive trail riding and competitive racing.
Item Specifications
Tooth Count13
Cassette Body TypeShimano HG
Drivetrain Speeds11

Why 365 Cycles?

365 Cycles is an Authorized Shimano Dealer, and we offer the Full Shimano Warranty!

Fast Shipping!

Professional Customer Service- available 7 days a week
Check out our 200,000+ amazing reviews!

365 Cycles delivers all your cycling needs fast! We don't waste time preparing your order. Our priority is to serve our customers first and foremost. If you need help picking the right product, have questions about bike component compatibility, or just want to geek out about bikes we are here 7 days a week! Simply put, we are bike experts from dirt to tarmac and want to make sure you get the full 365 Cycles experience when you shop with us.

At 365 Cycles our mission is to simplify the shopping experience. We want to get you the right product in a quick time frame and be here if you need help with questions, warranty, friend to talk to, etc.

We’re dedicated to building lasting relationships with our customers, communities, and team members. We combine the knowledge and service of a traditional bicycle shop with the convenience of shopping in your own home.





Shipping & Handling

Most orders placed during the workweek before 1:30 pm EST ship the same day, but in rare cases (peak season/holiday periods) handling time can take up to 48 hours. If you have questions regarding shipping estimates, please let us know prior to placing your order. There is a direct signature requirement for all orders over $500.

Please allow 1-2 business days for your order tracking to update.

  • Cut off for SAME DAY SHIPPING- 1:30 pm EST Monday - Friday
  • Friday afternoon -Sunday orders ship the following Monday
  • Due to carrier restrictions orders shipped to: PO Box, HI, AK, & PR 365 Cycles may use a comparable service to what was selected.

Combined Shipping Discounts

To offer customers savings on shipping, we offer discounts when shipping multiple items from our store. We cannot issue refunds on shipping once an order is finalized so please follow the 5 steps below and ask if you are having trouble with the discount before you make a purchase.

  1. Be sure you are using the US site: https://www.ebay.com
  2. Select Add to Cart (instead of Buy It Now) with items from our store 365Cycles
  3. Click on Proceed to Checkout. On the checkout page, the shipping service on each line item needs to match
  4. Compare First Class vs Priority as sometimes Priority can be cheaper and it gets to you faster!
  5. You’ll need to change the shipping method to Priority on every item in your cart before the rate can be calculated.

Returns

365 Cycles offers returns for 30 days on new items in their original, intact packaging. Return shipping for ALL orders are to be paid by the buyer. Please be sure to read our return policy entirely and if you have any questions, please contact Customer Service.

Full refunds are issued on items that are brand new and we are able to resell as new. 365 Cycles reserves the right to deny returns that are outside of policy including, but not limited to, used items, items missing original packaging, items with damaged manufacturer packaging, or international orders. Return orders must be shipped in a box or bubble mailer. Items shipped without an outer box will incur a restocking fee. You will be contacted through eBay if your return is ineligible for a full refund.

Returns must be initiated within 30 days from purchase date through your Purchase History under My eBay.

If we make an error in shipping, please contact us -- we will ship out the correct item and provide a free prepaid return label as quickly as possible!

Exchanges

If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately and, in the meantime, please initiate a return through eBay on the original item and return it. We will refund for the returned item once it is received back.



FW4088 .

Company Details

365 Cycles
1180 Enterprise Rd
East Petersburg, PA 17520
United States

Connect With Us

Sign up for news, special offers & other good stuff!