Professional grade chain catcher that debuted on the gold medal TT bike of Kristin Armstrong in the 2012 London Olympics
Allows for independent adjustment and tightening of the derailleur
Lightweight 6061 T6 aluminum, including all hardware for Shimano, SRAM and Campagnolo braze-on mounted and braze-on adapter clamp mounted front derailleurs (not compatible with Campagnolo EPS front derailleurs)
Precision adjustment set screw dials placement and locks position
