KMC S1 Single Speed Chains.<p></p><li>For non-derailleur bikes: BMX, cruisers, etc.</li><li>Chain Compatibility: 1/2" x 1/8"</li><li>Links: 112</li><li>Width: 9.3 mm</li><li>Weight: 399.0 g<p></p><p></p></li>