— Available in either 3/8 or 15mm (like the Profile 15/20 Cassette Hubs, inserts are available to convert an existing 15mm to 3/8, however, in order to convert an existing 3/8 to 15mm, you would need a complete axle conversion kit).
— 36 hole only.
— Available in Polished, Black, Blue, Red, Gold, Green, Purple, and Aqua.
— Freewheel Not Included.
— Sold as a rear hub only.
— 3/8 comes standard with volcano cones, but upgrades (at no charge) are available for CrMo button head and 17mm hex bolts.