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Free UK standard shipping on orders over £50
The Prologo Nago R4 Nack 137 Saddle is a masterful blend of tradition and innovation, crafted for cyclists who demand peak performance and comfort. Rooted in Prologo's illustrious history, this saddle has been the trusted choice of elite champions in the Tour de France, Giro d’Italia, and World Championships. Its design is the result of extensive research and collaboration with professional teams, fine-tuned through "Pressure Map MyOwn" testing to deliver exceptional support during even the longest rides.
Every detail of the Nago R4 reflects Prologo’s commitment to quality and functionality. The saddle features a unique PAS system with a spacious central channel and perforated base to reduce pressure points, ensuring a comfortable ride regardless of intensity. Its minimal yet sophisticated design highlights anatomical precision for optimal positioning, while the Long Carbon Fibre Injected base provides the perfect balance between stiffness and cushioning. The Nack rail, composed of carbon fibre, kevlar, and aluminum filaments, offers outstanding rigidity and lightness, tailored for cyclists who prioritize performance without compromise.
Whether you are a competitive rider or a passionate enthusiast, the Prologo Nago R4 Nack 137 delivers unparalleled riding comfort and efficiency. This saddle embodies the essence of Prologo's dedication to innovation, making it the ideal choice for those seeking to elevate their cycling experience with a product that honors tradition and embraces modern technology.
Is the Nago R4 Nack 137 suitable for both men and women?
Yes, the saddle is designed as a unisex model, accommodating various anatomies with its precise shape and pressure relief features.
What makes the Nack rail different from other saddle rails?
The Nack rail is constructed from a unique blend of carbon fibre, kevlar, and aluminum filaments, providing exceptional rigidity and lightness compared to standard rail materials.
How does the PAS system improve comfort?
The PAS system includes a spacious central channel and perforated base that effectively reduce pressure peaks, enhancing comfort especially during long or intense rides.
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.






