The Quill hubs combine low weight with high durability. They are made in Poland from the best materials such as AL7075T6 and CrMo steel. Inside you can find Ezo Japan ball bearings. We have a design of this hub driver unit with 4 pawls, all of which block simultaneously. This solution prevents skiping and makes a hub louder. Specification: 4 pawls, 4 EZO ball bearings, weight 480g, material of aluminium parts: 7075T6 CrMo steel axle, driver unit with 10 teeth, available: brushed black, brushed red, brushed blue,