Cane Creek 40 Series Headset Bottom Integrated Lower Assembly IS42/30 Replaces Cane Creek ZS-3 headset Bottom. Low friction, Dual-Seal crown race and top cover provides maximum sealing from contaminants, plus a captured compression ring design for carbon steerer compatibility (Interlok spacer compatible, sold separately) IS-CC (36x45 degree Cane Creek Integrated). Internal parts are cross-compatible across the 10, 40 and 110 series. IS52 Integrated fits 52mm ID Head tubes and 1-1/8" straight steerer tubes. Bottom assemblies include bottom cup, sealed oxide bearing, and crown race. Black oxide, sealed cartridge bearings. Bearing Type: Sealed
SPECIFICATIONS COLOR Black GRAMS: 72 MATERIAL: Steel/Black Oxide MFG. PART NO. BAA0087 S.H.I.S.: IS52/30/H1 STEERER DIAMETER: 1-1/8''