Our Classic front Brompton hubs are available in 16, 24, 28, and 32 spoke hole configurations (other spoke hole count options are available upon request). We also offer our front Brompton hubs with 2 bearing options: Standard Phil spec bearings which have full contact seals and have a 100% fill with our Phil Waterproof grease. Carbonyte Phil spec bearings are our low drag bearing option which have partial contact seals and have a 30% fill with our full synthetic Phil Carbonyte grease. SPECIFICATIONS Hub shell material 6061 Aluminum Axle material 6061 Aluminum End cap material Stainless steel Washer material Stainless steel Bolt material Stainless steel Front hub width 74 mm Axle diameter 12.68 mm Bearing availability 6001 (Standard), 6001 (Carbonyte) Front hub weight 190 grams Rider and bike weight limit 280 lbs / 127 kgs Materials All of our manufactured items are machined out of US-produced materials. HUB DIMENSIONS Axle length 74 mm Left side flange diameter 50 mm Right side flange diameter 50 mm Left side flange to center 20 mm Right side flange to center 20 mm
