Rear Sprocket 50 Teeth – 420 Igm Derbi Drd Pro

Rear Sprocket Z50 Derbi DRD Rear sprocket / chainring steel Z50 - 420 IGM Derbi Senda DRD, Bultaco Astro, Lobito, Rieju RR, Aprilia RX - high quality reinforced IGM steel sprocket. Can be used either as a replacement for a damaged original chainring or to change the gear ratio. We also recommend replacing the front sprocket and chain. You can also simply replace the chain drive with a complete chain set. Note: As there may be different variants depending on the year of manufacture, please compare the dimensions and teeth of the original sprocket with the illustration and the specifications. IGM steel chainring specifications Inner diameter: 102.3 mm Bolt circle: 125mm Mounting: 6 hole 50 teeth For chain type 420