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