Shimano Deore Wireless Shift Kit

Shimano Deore M6250 Di2 Upgrade Kit

Take your mountain bike shifting to the next level with the Shimano Deore M6250 Di2 Upgrade Kit. This all-new system delivers the precision and performance of wireless electronic shifting in a rugged, trail-ready package. Designed for 12-speed drivetrains, it combines smooth, reliable shifting with effortless setup and minimal maintenance — all at an accessible price point.

Built with Shimano’s proven Deore toughness and Di2 technology, the M6250 provides crisp, consistent shifting no matter the conditions. It’s smarter, cleaner, and more capable — perfect for riders who want top-tier performance without the premium price.

Key Features & Benefits

Wireless Shifting Simplicity
Say goodbye to messy cables and complex routing. The fully wireless shifter and derailleur system make setup quicker, reduce friction, and keep your cockpit clean for a professional, streamlined look.

Automatic Impact Recovery
The RD-M6250 derailleur automatically realigns itself after impacts to maintain perfect indexing and reliable shifting — no manual adjustments needed.

Wide-Range Compatibility
The long-cage (SGS) derailleur works seamlessly with 10–51T 12-speed cassettes, offering versatile gearing for steep climbs and fast descents.

Flexible Mounting Options
Choose between I-Spec EV integration for a clean look with Shimano brake levers, or use a band-on mount for universal compatibility and easy installation.

Powerful and Efficient Battery System
The BT-DN320 internal battery powers all Di2 components for hundreds of kilometres per charge, while the EC-DN100 charger provides quick, reliable USB-C top-ups.

Programmable Wireless Shifter
The SW-M6250-IR controller delivers fast, tactile button response and fully customisable shift functions through the Shimano E-Tube app — letting you fine-tune performance to your exact preferences.

Shadow ES Clutch Design
Shimano’s advanced clutch system keeps the chain stable over rough terrain, reducing chain slap and preventing drops for a quieter, smoother ride.

Why You’ll Love It

With no cables to stretch or clog and built-in automatic realignment, the Deore M6250 Di2 system delivers seamless performance with minimal maintenance. Whether you’re powering up climbs or descending through technical terrain, every shift feels precise and effortless.

For riders who value control, reliability, and simplicity, the M6250 Upgrade Kit is the smart move toward a cleaner, faster, and more advanced drivetrain.

Kit Includes

• Rear Derailleur × 1
• Shift Switch × 1
• BT-DN320 Battery × 1
• EC-DN100 Charger × 1

DELIVERY

Delivery to mainland UK addresses are free for orders over £40. Except when you choose delivery to a third party (Click and Collect) there is a charge of £5.95 to cover some of the additional cost the couriers charge for this service. If you choose to collect from Fawkes warehouse there is no shipping charge.

There will an additional charge for deliveries to Highlands and Islands. 

RETURNS TO FAWKES

Whether it’s a jersey that doesn’t fit, or the colour is not quite right, sometimes you’ll need to return items to us.

If an item is 'as new' and has not been used or fitted in any way, you can return it to us by post within 90 days of delivery for a refund. Please ensure that the goods are returned in their original packaging and are in an unused condition.

Please click HERE to print and then complete the returns form and include it inside your parcel.

If you wish you can use our Royal Mail Returns service please follow the instructions on the link below to return your parcel to us.

Royal Mail Returns Service

Please pack the item carefully to avoid damaged during shipping.

Customers need to pay the cost of return delivery unless the item is faulty and this will be deducted from your refund, currently £3.95.

If your have a large item e.g. Child seat, Bike, trailer etc. please contact our customer service team at Guy@fawkes-cycles.co.uk to arrange the best way to return your item, the cost will be deducted from your refund.

You will not receive a refund for the retail value of any free or promotional items you are sent, and you will be charged if they are not returned.

UNWANTED ITEMS

If you change your mind on your purchase, you have a full 90 days to return it for a refund. All Goods must be unused, in a saleable condition and in their original packaging with all labels still attached.

Please pack the item carefully to avoid damaged during shipping.

There are some exclusions to our 90 day returns policy, which are detailed below:

Nutritional products or those with a best before date must be returned within 28 days*

Any customised items such as wheel builds cannot be returned*

GPS systems such as sports watches or cycle computers can only be returned if unregistered*

For hygiene reasons, any intimate garments such as facemasks, underwear and swimsuits can only be returned if the items are faulty.

*Unless faulty

If you wish to return your item for a refund, please follow the returns procedure above.

We try our best to process all refunds within 14 working days. We'll refund your item via your original payment method.

You will not receive a refund for the retail value of any free items you are sent, and Fawkes may charge you for this item if you fail to return it

FAULTY ITEMS

If you feel that your purchase has developed a fault, then please contact us with photographs of the issue before returning any goods - we may be able to solve your problem without you incurring any further inconvenience.

If you find a fault with your item, send it back to us and we'll take a look at it as soon as we can. Items sent back to us will undergo an inspection and it may be necessary to send the item away to the manufacturer to confirm the fault. If we confirm a manufacturing fault, we'll happily replace or refund it.

Please pack the item carefully to avoid damaged during shipping. 

Faulty items should be returned within a reasonable time and in a clean and dry condition. PLEASE NOTE, WE WILL NOT PROCESS DIRTY ITEMS.

Please enclose all your details and a covering note explaining the fault and any other useful details.

We'll try to get back to you within 14 working days of receipt of your parcel, although during busy periods this may take slightly longer.

Your statutory rights are not affected.

We reserve the right to recharge return carriage on items where no fault is identified.

Customer Service Email: Guy@Fawkes-Cycles.co.uk

Please contact us for our Payment & Security policy.