The heart and the brain of the EPS system, the DTI incorporates the latest technologies and advancements. Includes zero and ride settings, and on board diagnostics to set up and adjust the EPS system. Wireless connectivity to your smartphone allows on the fly, instantaneous adjustability to the function of your EPS system. 35 grams. Not compatible with Chorus/Athena EPS systems requires V3 power unit to work 66235-1 The Heart And The Brain Of The Eps System, The Dti Incorporates The Latest Technologies And Advancem Includes Zero And Ride Settings, And On Board Diagnostics To Set Up And Adjust The Eps System Wireless Connectivity To Your Smartphone Allows On The Fly, Instantaneous Adjustability To The Funct 35 Grams Not Compatible With Chorus/Athena Eps Systems Requires V3 Power Unit To Work 660235-01