Engineered for precision and unparalleled performance, Revv bike hubs are the perfect choice for cyclists of all levels. Our patented hub designs are highly responsive, delivering the pedaling power you need rapidly through the drive train. Our high performance Spring Ratchet Systems (SRS) are reinforced to deliver the power when you need it and are able to withstand the toughest environments. Whether you're riding mountain trails, gravel roads, or city streets, Revv bike hubs will help you