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


Free UK standard shipping on orders over £50
The Lezyne Saddle Ai Alert 250 Rear Light is a premium safety device engineered to significantly improve your visibility on the road. Utilising advanced Ai Alert brake sensing technology, this rear light intelligently detects deceleration and automatically adjusts its brightness to communicate your slowing down to other road users. With a maximum output of 250 lumens and an impressive 60-hour runtime in low-power Femto mode, it ensures consistent visibility in a variety of lighting conditions, making it an indispensable accessory for cyclists prioritising safety.
Constructed from fully CNC machined aluminium, the Saddle Ai Alert 250 combines robust durability with a sleek, lightweight design, weighing just 73 grams. Its wide-angle optics provide a 270-degree field of visibility, enhancing detection from multiple angles by motorists and fellow cyclists alike. The IPX7 waterproof rating guarantees reliable operation in adverse weather, allowing you to maintain safety and confidence regardless of environmental conditions. For added convenience, the light features USB-C rechargeable functionality, supporting quick and efficient recharging (charging cable not included).
Designed to adapt to diverse riding environments, this rear light offers seven combined solid and flash output modes, including a highly effective Daytime Flash mode that increases daytime conspicuity. As part of the bike lights category, the Lezyne Saddle Ai Alert 250 represents a sophisticated blend of technology, practicality, and reliability, making it a vital upgrade for any cyclist’s safety equipment.
Is this rear light suitable for different rider preferences and setups?
The Saddle Ai Alert 250 is designed with versatility in mind, compatible with a wide range of saddles and bike configurations. Its multiple lighting modes and intelligent brake sensing make it adaptable to various riding styles and safety requirements.
What accessories complement this rear light?
To maximise safety, pairing the Saddle Ai Alert 250 with front lights, helmets, and reflective gear is recommended. Explore our bike lights collection for compatible front lighting options, and consider helmets and visibility accessories available in our accessories section to complete your setup.
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.