Bando 220J40 Rib AceBando 220J40 Rib Ace is an ultra thin, extremely flexible belt with the versatility to handle heavy, high speed industrial applications like machine tools, as well as light duty, slower applications such as exercise equipment. Able to utilize very small sheaves, allowing for speed ratios up to 4 to 1. Smooth, vibration free performance ideally suited for consumer goods applications like clothes dryers. Rib Ace belts can be used in serpentine drive