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37 Spindle Interface Type Shimano Hollowtech II Weight 77 BB Shell Width (mm) 68 BB/Frame Interface English
year 2019+ model Mezzer Pro description IRT assembly
8mm rise +/-8 deg length 30mm color gold
0 Clamp 0 Degree 1 1/8" Aluminum Black
Includes: CM-5
Industry Nine iRiX Lower EC49/40 Black MFPN=TB91009100 37 Spindle Interface Type ShimanoCustomize and upgrade your cockpit with iRiX options Separate upper and lower headset cup assemblies to mix and match Upper assemblies include star nut and top cover, while lower assemblies include split crown race Crown race and top cover employ removable and replaceable silicone lip seals to keep the sealed, 440c stainless steel bearings contaminant free TECH SPECS model iRiX lower S. H. I. S. EC49 40 upper lower lower stack 12mm color black weight
