Razor E100/E125/E150 Front Brake Caliper w/Pads Razor Front Brake Caliper w/Pads for Razor E100/E125 versions 1+, Razor E150 versions 6+ and Razor eSpark.**NOTE: E100/E125 Scooter versions can be determined by locating your bar code ID on the bottom of the scooter. The 7th and 8th digit in the series will tell you the version of your product: 01=version 1; 02=version 2; 09=version 9, and so on. Please be sure you identify your product version before placing an order for a battery. Used on: E100/E125, V1+ E150, V6+ eSpark