The Shimano Deore HB-M525A Hubset is aluminum hubset with 6-bolt disc brake mounts front and rear. It has 100/135mm spacing and the rear hub works with 8-10 speed Shimano HG cassettes (not included). Included is a pair of quick release skewers.

Material: Aluminum
Axle: 9mmF/10mmR QR
Drilling: 36h
Front OLD: 100mm
Rear OLD: 135mm
Bearing: Sealed Mechanism Loose Ball
Color: Black