TracMax by ThunderMax is an easy to install ABS wheel size correction module that is designed to help you regain full ABS functionality on 2014 to present Touring and 2015 to present Softail models that have been equipped with an aftermarket big front wheel kit. TracMax comes 100% assembled, ready to install with no wire cutting or splicing required and installs in under 15 minutes. Simply plug the TracMax into the factory ABS wiring harness and it seamlessly corrects the wheel speed signal of the front wheel based on wheel diameter. Please order a TracMax module for your wheel diameter and the matching harness for your specific model. For easy installment, we also offer a power adapter harness for use with OEM Parts & Accessories power ports.