Group of two (2) XCA-clutch pinion gear tools to simply help install and expel pinon gears to/from the XCA clutchbell. The device are moulded from a certain composite combination which guarantees quite high durability will guarantee actually accurate suitable on pinions. The Pinion Gear Tool is very designed to fit the XRAY NT1 pinion gears which have very certain and unique teeth profile and design. The various tools fit all NT1 pinion gears (1st gears - 15, 16, 17, 18T ; 2nd gears - 20, 21, 22, 23T) and it is a "must have actually" for a number of XRAY NT1 owners.