RC Cars & Trucks
Mugen Seiki Ninja JX21 Crankshaft (DLC Coated)
Sunday, February 10, 2013
I use these as upgrades in the O.S. .21 VZ-B V-Spec motors as they are the same part except this is DLC coated for longer life, plus is cheaper then the O.S. vz-b v-spec crankshaft.