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The Shimano Deore XT CN-M8100 is the chain that belongs on any serious 12-speed mountain bike build. Engineered specifically for Shimano's HYPERGLIDE+ drivetrain system, it uses extended inner plates to grip cogs more deeply, which means better chain retention through rock gardens, better engagement out of corners, and shifts that stay crisp even when you're mashing hard up a climb. This is not a chain that makes you think about your chain.
Shimano treats the CN-M8100 with their SIL-TEC finish, a fluorine-infused plating process that cuts friction and helps the chain shrug off the grime that comes with real trail riding. Riders have reported running these well past 2,500km with minimal wear, which is a solid return on a mid-tier investment. The 126-link length suits most full-suspension trail bikes right out of the box, and installation is straightforward thanks to the included SM-CN910-12 Quick-Link.
Compatibility is another win here. The CN-M8100 plays nicely across Shimano's full 12-speed lineup, covering XT, Ultegra, and GRX drivetrains, so if you run Shimano 12-speed on more than one bike, you only need to stock one chain. It is also e-bike compatible for anyone running a motor-assisted rig.
Ever missed a shift mid-climb and watched your line disappear? The CN-M8100 is built to stop that from happening, with HYPERGLIDE+ technology that keeps the chain engaged with the next cog before it ever leaves the last one. If you are an all-mountain rider who puts in big days on varied terrain and needs a drivetrain that just works, this chain handles the rough stuff without complaint. Slap it on, lube it up, and go ride.
Our returns policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange. Apparels and shoes are not eligible for returns once they have been shipped out. We only accept returns if the item is eligible for a warranty claim or if the wrong item has been shipped to you. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. To complete your return, we require a receipt or proof of purchase. Please do not send your purchase back to the manufacturer. Once your return is received and inspected, we will send you an email to notify you that we have received your returned item.
Only regular priced items may be refunded, unfortunately sale items cannot be refunded.
We only replace items if they are defective or damaged. If you need to exchange it for the same item, send us an email at info@reevolution.sg and send your item to: 16 Morse Road, #209, Singapore, 01, 099228, Singapore.
To return your product, you should bring or mail your item to: 16 Morse Road, #209, Singapore 099228. You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund. Depending on where you live, the time it may take for your exchanged product to reach you, may vary. If you are shipping an item over $75, you should consider using a trackable shipping service or purchasing shipping insurance. We will not be responsible if we do not receive your returned item.
Refunds will only be issued if the item is out of stock after the transaction is made. If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.
Our returns policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange. Apparels and shoes are not eligible for returns once they have been shipped out. We only accept returns if the item is eligible for a warranty claim or if the wrong item has been shipped to you. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. To complete your return, we require a receipt or proof of purchase. Please do not send your purchase back to the manufacturer. Once your return is received and inspected, we will send you an email to notify you that we have received your returned item.
Only regular priced items may be refunded, unfortunately sale items cannot be refunded.
We only replace items if they are defective or damaged. If you need to exchange it for the same item, send us an email at info@reevolution.sg and send your item to: 16 Morse Road, #209, Singapore, 01, 099228, Singapore.
To return your product, you should bring or mail your item to: 16 Morse Road, #209, Singapore 099228. You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund. Depending on where you live, the time it may take for your exchanged product to reach you, may vary. If you are shipping an item over $75, you should consider using a trackable shipping service or purchasing shipping insurance. We will not be responsible if we do not receive your returned item.
Refunds will only be issued if the item is out of stock after the transaction is made. If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.
If you haven’t received a refund yet, first check your bank account again. Then contact your credit card company, it may take some time before your refund is officially posted. Next contact your bank. There is often some processing time before a refund is posted. If you’ve done all of this and you still have not received your refund yet, please contact us.
| Delivery Option | Below $80 | $80 and above | Delivery Time |
| In Store Pickup | Free | Free | - |
| Standard Delivery | $5 | Free | 4-7 working days |
| Express Delivery | $20 | $20 | Next Working Day |
We ship worldwide using DHL Global Express. Simply enter your shipping address at checkout and you will receive the shipping quote.
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