ULTRA Heavy duty front freewheel designed by SBP, made exclusively for Sick Bike Parts by White Industries.
UHD freewheel required if you are building an electric motor drive with side loading properties.Center hole thread is 1.37 x 24 tpi, 5 bolt pattern diameter is 2.63 inches.
Leaders in the industry for hiqh quality bicycle components. Not only are these freewheels durable but are also serviceable.
Made in the U.S.A. Six month replacement warranty