The Mission Pace hub gives you a chance to upgrade to a freecoaster without breaking the bank. With sealed bearings throughout, adjustable slack, heat-treated chromoly axle, and left and right-hand drive options, the Pace hub has you covered.Specifications:- Hub Shell: 6061-t6 Aluminum- Axle: 14mm Heat-treated Chromoly- Axle Nuts: 17mm Chromoly- Bearings: 5 Precision Sealed- Driver Size: 9 Tooth- Driver Side: Rhd Or Lhd- Spoke Hole: 36 Hole- Weight: 27.2oz