Primarily fits older Hercules and other mopeds from the 1950s equipped with a Sachs rear hub with 90 mm brake drum.
Intended for the following rear hubs:
Sachs H90/2 (215.54)
Sachs H90-12 (215.55)
Specification:
Number of teeth: 28
Chain size: 1/2″ x 3/16″
Width: approx. 11.5~12 mm
Mounting: Thread M38x1
