1、Made of the highest quality aluminum alloy, multiple heat treatment, high strength, not easily to deform. 2、The rim adopts an asymmetrical design to form a rim, so that the rim distributes tension evenly without dents, so that the wheel can be assembled faster. 3、The 20 holes bicycle rim means can install 20 spokes. 4、It has been tested for durability. Suitable for bicycles with 14 inch rims. 5、The rims are thickened rims. Bicycles and electric cars are common. Item Type: Bicycle Rims Material: Aluminum Alloy Color: As Pictures Shown Product Size: Approx. 14in Weight: Approx. 238g/8.4ozNumber of Holes: 20 Holes (20 Holes Means that 20 Spokes Can Be Installed) External Diameter: 26.6cm/10.5in Inner Diameter: 23cm/9.1in Height: 2cm/0.8in Spoke Size: 14g Suitable for Bicycle 14x1.5in and 14x1.75in Tire Models The length of the spokes is determined by the rims, hub and braided method (the length can be varied). Therefore, if the spokes are not suitable for the original spokes, they can be adjusted by braided method. If not, the spokes can only be purchased again. Knife rim, in fact, refers to a kind of strengthened rim, stronger than the ordinary rim. The so-called knife ring is just a customary name of people, because the outer surface of the ring (against the hub side) is relatively high, like a knife, so it is known as the knife rim. 1 x Bicycle Rim