1Material: Adopting good quality aluminum alloy material, prevent rust and corrosion, fashionable and unique design. 2Performance: High strength bearing middle parts, wear resistant and durable, long service life, saving money. 3Fine Craftsman: Exquisite craftsman and strict production technology, fine to every corner and every place. 4Lightweight: Light in weight, small in size, easy to carry, will not increasing burden, can bring you more convenience. 5Replaceable: Replace old bearing parts to make your mountain bike perform better, make your ride more covenient. Item Type: Mountain Bike Hub Color: Black Material: Aluminum Alloy Weight: Approx. 216g/7.6oz Product Specifications: 110mm/4.3in Front Fork, 20mm/0.8in Shaft, 36 Holes Rolling Structure: Bearing / Bearing 2 Product Model: 6804 Bearing 1 x Bicycle HubPlease note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.