CAUTION: These tire inserts are NOT compatible with Raleigh or Schwinn bicycles produced prior to 1980. QUALITY MATERIAL: Made from Ethylene Vinyl Acetate (EVA Foam). EVA foam is safe and resilient and is used in many everyday items including sneakers and fitness mats. Manufactured through closed cell construction, they are light-weight and waterproof. VERSATILE: The Stop-A-Flat has many uses and applications for all wheeled vehicles including bicycles, trailers, joggers, strollers, and more!. ECONOMICAL: No more wasting your hard-earned money on tubes. With the Stop-A-Flat you will never need to change an inner tube again. When you replace your tubes with Stop-A-Flat it will save hundreds of dollars and countless hours. SIZE: 26 x 2.125, ETRTO 57-559, RIM Width 25 mm with a tolerance of +/- 1 mm. Follow the SIZE: chart to help choose the SIZE: you need.

Wheel Size: 26 Inches. Bike Type: Hybrid Bike. Material: Puncture Proof Foam. Brand: Stop-A-Flat. Date First Available: August 28, 2015. Best Sellers Rank: #8,737 in Sports & Outdoors. Customer Reviews: 4.0 out of 5 stars 3,416 ratings 4.0 out of 5 stars. : B014K5CV3E. Sport Type: ?Cycling. Size: ?26 x 2.125". Included Components: ?Puncture Proof Tube. Style: ?26 X 2.125. Part Number: ?820000225. Manufacturer: ?Cycle Force Group. Number of Items: ?1. Suggested Users: ?unisex-adult. Material: ?Puncture Proof Foam. Color: ?Yellow. Model Name: ?Stop-A-Flat. Warranty Description: ?90 Day Limited. Brand Name: ?Stop-A-Flat. Item Weight: ?1 Pounds. Item Dimensions LxWxH: ?26 x 2.13 x 2.13 inches. Package Weight: ?0.66 Kilograms. Item Package Dimensions L x W x H: ?37.3 x 4 x 1.7 inches.