1: 8 BL Pinion 14 teeth M1 hardened 500906203 high-strength steel and Verschleißarmes motor pinion made of specially hardened steel with set screw for attaching to the motor shaft. These sprockets are suitable for in Drehmomentstarken Brushless models use. Teeth: 14 Z module: 1 Note: Please always Manufacturer Specific details to make module Specifications. Warning: Not suitable for children under the age of 14 years of age.