It's hard to explain but you'll see if you ever take the fender off, but they can't be a different length. They won't work unless they are the exact same length. And I just put a new front tire on only about 2 weeks ago so I won't be able to install the new ones and compare till i need a new tire. But i really think the only difference is the locktite that the new ones come with. I'll be adding a bit of blue too when i install them.