Park Tool - LRT-3 Lockring Tool Stock Item:Park Tool 36mm Crow Foot This means it's hard to

This means it's hard to know exactly what tool to grab for pedal removal or installation

accurate fit

Height inside J-bend 150mm (6")

In one sense

The derailleur hanger is the foundation for the modern  drive train to work properly

Park Tool - LRT-3 Lockring Tool Stock Item:Park Tool 36mm Crow Foot This means it's hard toPARK TOOL LRT 3 LOCKRING TOOL Designed and built to remove and install the direct mount lockring that retains front chainrings found on some Specialized, Cannondale and FSA modular cranks. LRT 3 FEATURES Fits chainring of Specialized, Cannondale and FSA For lockrings with 4748mm outside diameter and 4 or 8 notches Fits both 4 notch (FSA and Cannondale) and 8 notch (Specialized) lockrings 36mm hex drive to be used with Park Tool TWB 36 Crow Foot and a