weight 92g size 1 1/8in. stack height 20.56mm including crown race top stack height 10.53mm bottom stack height 10.03mm flange 15mm material 52100 bearing steel preload aluminum/steel 25g upper bearings sealed 34-ball max lower bearings sealed 34-ball max warranty 5 years msrp $95 / € 89 also available in 1.5" - spring 08 under license by cane creek cycling components