Bell Sidetrack Ergo Fit System
Genuine Bell Helmet Replacement Ergo Fit system. Snugs around the head and allows up/down adjustment of the wheel over the Occipital Lobe (the bump on the back of the head where it meets the neck.
What was once ErgoDial now has an improved dial feel and function (no longer requires a push to turn) and is mor sleek and less bulky.
- Genuine Bell Replacement Part