Package included: 1 front hub, 1 rear hub and 2 skewers. With 32 hole drillings, compatible with 5/6/7/8S rotary freewheel.Bicycle Axle Wheel Hub - 32H Front and Rear Bike Hub Set, Aluminum Alloy Quick Release Lever Skewers Axle, 1 Pair Precision-machined steel bearings for a smooth and fast ride. Low-friction seals effectively shut out water, mud and dirt.Quick release lever allows for fast installation and removal Widely Compatible: Suitable for most Mountain Bike, Road Bike Mechanical Disc Brake System.