Product Information "Sprocket Billet Factory, small chainring, tuning 15 teeth, 420 - for Simson S51, S70, S53, S83, KR51/2 Schwalbe, SR50, SR80"
Sprocket Billet Factory 15 Teeth - Number of Teeth: 15 - with Relief Holes - Precise Toothed Profile - Made in Germany - for Chain Pitch 420 - Suitable for Engines of Series: M500/M700