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Free UK Shipping Over £50 & Easy Returns




Free UK standard shipping on orders over £50
The Shimano Deore BL-M4100/BR-MT420 hydraulic disc brake set offers exceptional stopping power and precise control, making it an ideal choice for serious cyclists. Featuring a fully bled system, this brake lever and post-mount 4-piston calliper set ensures smooth and reliable braking performance from the first ride. Its adaptable post-style calliper design provides flexibility, allowing you to customize your setup to best suit your bike and riding style.
Designed with durability and ease of use in mind, the Shimano Deore brakes are compatible with both Center Lock and conventional 6-bolt rotors, available in sizes of 160 mm, 180 mm, and 203 mm. The opposed 4-piston calliper reduces the leading effect and promotes even pad wear, enhancing braking control and consistency. The ergonomic alloy brake lever is comfortable to use and features reach adjustment for a personalized fit, ensuring optimal performance on every ride.
Installation and maintenance are made simple thanks to the Shimano shim-less mounting system and included accessories such as resin pads, spare olives, and inserts for hose length adjustments. The use of mineral oil brake fluid means less corrosion and a safer, more environmentally friendly choice. Whether upgrading your current brakes or building a new bike, this Shimano Deore kit delivers reliable power and efficiency for confident braking.
Can I use these brakes with any rotor size?
Yes, they are compatible with 160 mm, 180 mm, and 203 mm rotors, either Center Lock or conventional 6-bolt.
Are the brake levers adjustable for different hand sizes?
Yes, the brake lever features reach adjustment to ensure a perfect custom fit for different riders.
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.

