If you need to replace worn out or broken ball bearings in the Dynamite Fuze DYN4950 brushless electric motor for your Losi TEN-SCTE Troy Lee RTR (ready-to-run) 1/10th scale short course truck, check out my DIY tutorial for the procedure (with the compatible replacement bearing size) by clicking on the text link or thumbnail image below.
R/C Brushless Electric Motor Ball Bearings Replacement Guide