Gear wheel 44t. (1. speed), loose (MZA) - Simson Note: This is a loose gear wheel. It has 44 teeth and is for 1st gear. It is located on the drive shaft. This is an original spare part. 3-speed engine: 1st gear 4-speed engine: 1st gear 5-speed engine: 1st gear Can be used for: Simson S51, S53, S70, S83, SC-050, SD 50, Sperber-BR, SR50, SR80, TS050, KR51/2, The product of the MZA, which is the