Reinforced Esjot sprocket with 14 teeth, manufactured in Germany by the original equipment manufacturer for Zündapp, suitable for Zündapp CS 25 Type 448-140, Hai 25 Type 448-15 up to chassis no. 9954285, C 50 Super Type 441, C 50 Sport Type 517-21, C 50 Sport Type 529-010 from chassis no. 9020001, R 50 Type 561-003 from chassis no. 70 000 01, R 50 Type 561, Sport Combinette Type 515 with 3-speed engine, Sport Combinette Type 510 with 3-speed engine, Super Combinette Type 433 with 3-speed engine, Super Combinette Type 429 with 3-speed engine, Super Combinette Type 428 with 3-speed engine, Falconette Type 435 with 3-speed engine, Falconette Type 437 with 3-speed engine. Mounting: 12mm, for chain type 415 (1/2 x 3/16). Be sure to check the mounting size before purchase. Made in Germany.