Related topic worth the read................


https://www.hdforums.com/forum/touri...le-solved.html

 

There's no point, they are both designed to do the same job. They act in slightly different ways, so I suspect they will fight each other if both installed together. The BB acts roughly on the centre-line of the bike, the TL is offset to the right of the bike. Save your money and use only one of them!