Our Classic front high flange track hubs are available in 28, 32, and 36 spoke hole configurations (other spoke hole count options are available upon request). We also offer our front track 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.