MTB Quick Release Hub:front hub 9x100mm,rear hub 10x135mm,28/32/36 holes, front 2 rear 4 sealing bearing, effectively isolate water,mud and dirt.
Compatibility:compati with 6 bolt disc brake,suitable for 8 9 10 11 speed Cassette(if it can't be fully locked, you need to add washer)
MTB Bike Hubs:the hub is made of aluminum alloy,Cr-Mo steel free body,CNC anodizing process,ultra-light,high in strength, does not rust deform,durable.
Tower Base:the bicycle hub use Cr-Mo steel free body has good heat resistance, corrosion resistance,certain energy absorption effect,high efficiency,good sound transmission.
Packaging:front hub x1,rear hub x1,quick release levers x2,washer x1,which are easy to install and quick to remove,it is a nice bicycle accessory.