Call Us: 01782 747782
Free UK Shipping Over £50 & Easy Returns




Free UK standard shipping on orders over £50
The KMC X12 DLC Black/Yellow 126L Chain is engineered for riders who demand the highest performance and durability. At just 238g for 110 links, this chain ranks among the lightest in its category, making it an ideal choice for both competitive and recreational cycling. Its advanced DLC (Diamond Like Coating) significantly reduces abrasive wear, ensuring extended chain life and consistent smooth shifting over thousands of kilometers.
Designed with high surface hardness and Triple X Durability technology, the X12 chain withstands rigorous use while maintaining exceptional rigidity and pin strength. Its mud-shedding design keeps it running smoothly even in the toughest off-road conditions, making it perfectly suitable for 29" mountain bikes as well as road setups. Included is a 12x Missing Link for easy installation and maintenance, complementing compatibility with all 12-speed drivetrains.
Experience a chain that not only performs but also lasts, backed by KMC's guarantee of satisfaction. Whether you’re pushing your limits on challenging trails or cruising on paved roads, this chain delivers reliability and efficiency with every pedal stroke.
Is this chain compatible with all 12-speed drivetrains?
Yes, the KMC X12 DLC chain is designed to be fully compatible with all 12x drivetrains, ensuring seamless integration.
How does the DLC coating benefit the chain?
The Diamond Like Coating (DLC) provides superior surface hardness, reducing abrasive wear and significantly extending the chain’s lifespan.
Stock Status Instock - Instore - Item Usually shipped or available for shop collection, within 48 hours (Mon-Fri)
Instock - Supplier Warehouse - Item is held in Suppliers Warehouse, Depending on the the supplier transfer time can vary from 24 Hours to 14 Days for item held in European warehouse.
(over festive periods some suppliers shut from 24th Dec-2nd Jan so orders can be delayed through this period.)
Brands held in European website include Trek, Bontrager, Electra, Wahoo, Rapha. For up-to-date transfer times please call customer services on +44 (0)1782 768622
Most out products are shipped by FedEx, providing unprecedented reliability and speed. Lightweight Spares below £25.00 value have a Royal Mail postage option, which is sent via Tracked 48 service. - £2.99
Shipping on all Domestic Orders over £50.00 (excluding bikes and home trainers) for delivery within the UK is completely FREE!
Bike and Home Trainers and oversize Goods £15.00 - FedEx
White Glove Bike Delivery - our white glove option has your bike personally delivered to you by a fully trained Mechanic and Bike fitter - £99.99
(Certain bikes will only have this option such as Cargo Bikes)
To Qualify for FREE Shipping:
In some cases, we may ship items out with another courier, depending on the status and availability of items ordered. (Customers will not be charged more and will be refunded any unused postage cost) If part of an order is cancelled and the total drops below the £50.00 free postage, a postage charge may be taken.
Delivery costs will be clearly stated on the checkout page, though you will need to register (to provide your delivery address) in order to see the delivery costs.
If you have any questions about delivery charges, times or none delivery please do not hesitate to get in touch by email:store@swinnertoncycles.co.uk or by telephone on +44 (0)1782 768622. Handling is normally 48 hours, but at busy periods this may be extended but we will endeavor to process your order within 5 working days. Please bear in mind in some cases orders can take longer to process, please contact us for more details.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

