XCELL 18T Pinions (2) - 10mm shaft - Carbon Stainless Steel

Introducing the XCELL™ line of stainless steel pinions!  Made from a solid chunk of 440C steel and then hardened even further, these awesome pinions will last a long time and keep their teeth profile far better than aluminum and Titanium versions.  It's nearly 2x the hardness of the Titanium pinions:Rockwell Hardness of Ti pinions:  36Rockwell Scale Hardness of XCELL™ pinion:  59 (Lab confirmed)• For 10mm shafts with circlips and keyway, (not for Prototipos!)• Each pinion has an alloy steel set screw at 90 degrees from the keyway.Price includes 2 pinions, 2 3x3x16mm keys, 4 circlips and two 4mm set screws.