ACROS is42 Headset Upper Part 1 1/8 Inch - IS42/28.6

Angular contact ball bearings made of stainless steel and well thought-out seals in the Acros is42 headset upper section ensure durability with minimum maintenance and thus more carefree time behind the handlebars. The S.H.I.S. denotation (see attachment) of the upper part offered here is IS42/28,6. Construction type (Ahead/Thread): Ahead Material: top cover: aluminium bearing: stainless steel Weight supplement: manufacturer information