Pinion Esjot steel 13 teeth oval 15.6mm x 12.7mm for Hercules Prima 1, 2, 3, 4, 5, 6, M MX SX, Hobby Rider 4 HR 2 with aluminum

Reinforced Esjot tuning sprocket with 13 teeth, made in Germany, suitable for Hercules Prima 1 - 6, M 1, M 2, M 3, MX 1, Prima SX, Hobby Rider 4 HR 2, Hobby Rider HR 2 with aluminum wheel, MF 4, MP 2, MP 4, Optima 3, Optima 4, P 1, P 3, Prima GT GX, Pronto, Presto, Supra 2 D, Supra 4, Supra 4 GP, KTM Bora, Rixe, DKW moped and others with engine type Sachs 50/3 ML, 50/4 EKF, 504/1B, 504/1A, 504/1B, 505/1A, 505/1 BX, 505/1C, 505/2 AKS, 505/2B, 505/2C, 505/2CK, 506 engine. Mounting: Oval approx. 15.6mm x 12.70mm.