Sprocket KRS with one-sided hub 12 B-1 3 / 4x7 / 16 "15 teeth Mat. Steel
Sprocket KRS with one-sided hub 12 B-1 3 / 4x7 / 16 "12 teeth Mat. Steel
Chain tensioning wheel KSP 12 B-1 3 / 4x7 / 16 "15 teeth with ball bearing
Chain tensioning wheel KSP 12 B-1 3 / 4x7 / 16 "12 teeth with ball bearing