Wolf Tooth Components Upper Headset IS42 Specialized IS (3mm Stack) Black MFPN=13-000064 rails I-Beam top Kevlar color

rails I-Beam top Kevlar color Sensus

BB-7 compound gold

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Wolf Tooth Components Upper Headset IS42 Specialized IS (3mm Stack) Black MFPN=13-000064 rails I-Beam top Kevlar colorThese IS headsets are made exclusively for Specialized frames with molded in internal bearing cups Custom in house designed seals Enduro stainless bearings Uppers include a 5mm integrated spacer stem cap with an alloy bolt Made in MN, USA TECH SPECS model Premium Specialized IS S. H. I. S. IS42 28. 6 upper lower upper stack 3mm color black