- Oversized 17 mm Hollow Chromoly Inner Axle - 14 mm Hollow Chromoly Axle Bolts - 8 mm Allen Hex / 17 mm Socket Bolts - CNC’d 6061-T6 Aluminium Hub Shell - Two Oversized Hub Bearings and Ceramic Driver Bushing - Right Hand or Left Hand Drive Using SDS System - Improved Driver Design Eliminating Driver Engagement Skip - Compatible with Kink Nylon Hub Guard - Weight: 480 g