Electron 2.0 F/R Tires Mounted 7mm White (4) for Losi Micro-BOverview This is a set of Electron 2. 0 Front and Rear Micro B Tires. The Electron 2. 0 has been carefully scaled down to micro size. Connected tire tread technology improves traction and wear on even the most abrasive of track conditions. The square center pins between the connected tread provide consistent forward and side bite. The Electron 2. 0 is constructed on Pro Line's latest generation carcass profile that utilizes a single arc to create the