Surly Nylon Rim Strip Description: Surly Nylon Rim Strips are designed for use with ultra-wide fat bike rims produced by Surly and other manufacturers. Surly Nylon Rim Strips prevent damage to inner tubes caused by contact with spokes and rim cutouts by providing a thin, yet durable barrier that accomplishes a secure seal. Features: Ultra-wide rim strips for fat bike style rims Durable woven nylon construction stands strong in the face of off-road use Sturdy construction protects inner tubes from internal puncture Minimal stretch allows for flat placement within rims Specifications: Color: Black Material: Nylon Compatibility: Surly My Other Brother Darryl Rim (80mm width rims)