ISO Disc Brake Hub Rear 142 x 12 mm Shimano CompatibleOur rear ISO disc thru axle hubs are available in 24, 28, 32, 36, 40, and 48 spoke hole configurations. We also offer our rear ISO disc thru axle 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. Our 11