Duro Bicycle Tube 20 x 1.3/8 F/V 48mm (37-451)

High-pressure inner tube designed for compact and folding bike wheels. Fits 20-inch rims with 1 3/8-inch tyre width (37-451 ETRTO sizing). Features a 48mm Presta valve for reliable inflation control and compatibility with floor pumps and portable inflators. Durable rubber construction handles daily commuting and recreational riding. Essential replacement for maintaining tyre performance and ride quality on smaller-wheeled bikes.

We use a premium delivery service to ensure all of our bikes arrive in the best possible condition. Bicycles get shipped from a different warehouse and may arrive separately from any other items ordered. A signature is required to confirm proof of delivery.

All products are sourced from official importers and covered by manufacturers warranty. If you do need to send items back to us please make sure that you retain proof of postage in the event that it is needed.

Your product is covered by a 12 month Warranty or more if you opted for the extended warranty. Make sure you register your product.