Reverse Base ZS56/30+40 Lower Headset Cup

The Reverse Base ZS56/30+40 lower headset cup is the lower part of the semi-integrated headset bearing assembly. It fits into the frame's head tube and works with the upper cup and fork. It also includes 1 1/8 and 1,5 inch crown races, covering both conventional and tapered forks.

The external diameter is 56 mm, the 1,5 inch semi-integrated size. It has cartridge bearings with multiple seals, designed to last even in difficult weather conditions. It is made from 7075 aluminium, weighs 68 g and is black. Check your frame dimensions before purchasing.

Reverse Components was born in 2004 from Peter Schmid’s passion for mountain biking and is now based in Freudenstadt, in Germany’s Black Forest. It makes MTB components, from handlebars to pedals and wheels, and works with the EFBE laboratory to test them, bringing trail experience into product development.