Skout Frame Shields are super tough and very light. Skout's Honeycomb Surface Matrix will protect your top tube from anything your handlebars can throw at it. Made in U.S.A.<p> If you are unsure about the diameter of your top tube, it is strongly recommended that you measure its width with a ruler or measuring tape in order to make the appropriate selection.</p><p> !DISCLAIMER!: Skout Frame Shields fit securely only around circular tubing. They do not fit properly around oval or aero shaped tubing.</p><p></p><p> SPECS</p><p> <li>TYPE S flex to fit tube diameters...1.00" (25.4mm) - 1.25" (31.8mm) </li><li>wall thickness 0.20" </li><li>length 1.60" </li><li>weight 24g<p></p><p> SPECS</p><p> <li>TYPE A flex to fit tube diameters...1.50” (38.1mm) or larger </li><li>wall thickness 0.20” </li><li>length 1.60” </li><li>weight 28g</li></p></li></p>