100 brand new and high quality Made of high quality material, durable and practical to use Suitable for mountain bikes, etc. Integral molding, stronger strength. Thickened post wall Frosted surface, anodized for durability Color: Black (As Pictures Show) Material: Aluminum alloy Optional Size: 30.4 350mm ,27.2 450mm ,25.4 450mm ,31.6 350mm ,31.6 450mm ,25.4 350mm ,30.4 450mm ,28.6 450mm ,27.2 350mm ,28.6 350mm ,30.8 450mm ,30.8 350mm