Duro Bicycle Tube 650B/27.5 x 2.25/2.35/2.50 57/64-584 FV 40 mm

High-performance 650B/27.5" inner tube engineered for modern gravel and mountain bike applications. Precision-sized 57/64-584 ETRTO dimensions accommodate 2.25", 2.35", and 2.50" tyre widths across a wide range of riding conditions. The French valve (FV) design with a 40mm stem length provides reliable, secure valve engagement without adapters. Constructed from a premium butyl rubber compound for puncture resistance and durability. Ideal for riders seeking dependable tube performance in off-road environments with minimal weight penalty. Fits standard 650B/27.5" wheel systems.

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.