Originally Posted by tomacropod
is it even a derailleur? I can't see that the linkage could possibly move side to side to change gears. Looks like one of the newer generation of singlespeed tensioners designed to accomodate a wide chain tension range eg on full suspension mountain bikes.
I need one of those computers all the top crime fighting labs have. "enhance" "zoom" "enhance"
- Joel
irfanview.com
No lateral movement, just a tensioner.