Topeak Fastfuel Top Tube Bag Fuel Your Fire The Topeak Fast Fuel Top Tube Bag provides quick and convenient access to nutrition and essentials during rides. Designed to mount directly to top tube bottle bosses or secure with straps, it fits most road, gravel, and mountain bikes, keeping energy bars, gels, keys, and small tools protected from vibration in a compact, padded design. Features Versatile bolt-on or strap mountingworks with top tube bottle bosses or wraps around the top tube and stem Durable 500D polyester, PU leather, and TPE constructionfor water-repellent, scratch-resistant protection Full-length zipperwith a large pull tab for easy access, even with gloves on High-visibility yellow interiormakes it easy to spot small items Battery cable pass-throughlets you charge a phone, light, or cycling computer mid-ride SPECIFICATIONSIntended Use Road, Gravel, MTBCapacity0. 5LMaterial500D polyester, PU leather, TPEMount Bolt-on to top tube bosses or strap mount Dimensions7. 4" x 3. 2" x 1. 6"Weight70g | Topeak | Fastfuel Top Tube Bag | Black | Bolt-On | Polyester