Rear - Front sprockets MJ rear sprocket for Suzuki ER 21 50 MJ Corse MJ.719 €25.99 High quality duraluminium (ergal) rear sprocket for Suzuki ER 21 50 with chain pitch 420 and with number of teeth from 24 to 54. Select the chain pitch and number of teeth you need by clicking below. Add to cart
Rear - Front sprockets Front sprocket for Suzuki ER21 50 Marca 1 MJF.386 €5.80 Front sprocket for Suzuki ER21 50 , available in 420 pitches and with tooth numbers from 11 to 17. Choose the pitch and number of teeth you need below. Add to cart