Duro Bicycle Tube 4.10/3.50-4 (Straight Valve)

High-pressure bicycle tube engineered for durability and reliable performance. The 4.10/3.50-4 size fits many wheel setups, and the straight valve design makes installation easy and works with standard pumps. Built for tough riding, this tube holds air well and resists punctures for casual and serious cyclists. Ideal for maintenance, replacements, or backup inventory.

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.