Meet Koozer XM490Hubs 4 Bearing MTB Mountain Bike Hub Front Rear QR 32Holes Disc Brake Bicycle Hub 8 9 10 11 12Speed XD MS HG 9MM10MM — where style meets true functionality at a competitive price. The go-to option for buyers who demand real value and best prices. AliExpress shipping you can trust — only at Ktayrav.college.