Size: 1" 1/8,
Stack height: 20.56mm including crown race,
Top stack height: 10.53mm,
Bottom stack height: 10.03mm,
Material: steel,
Upper bearings: sealed 34-ball max,
Lower bearings: sealed 34-ball max,
Weight: 66g,
Warranty: 5 years.
Manufacturers link : http://www.crankbrothers.com/
