Upgrade your ride with the Warp 9 Surron Light Bee Rear Axle, this bad boy is engineered for maximum durability. Machined from 12.9 grade steel and cryo-treated for enhanced strength, this axle is designed to withstand the toughest conditions. The combination of 12.9 grade steel and cryo treatment results in a bolt that is 3 to 4 times stronger than OEM bolts and 2 times stronger than titanium. We&';re so confident in its strength and resilience that we offer a lifetime warranty against bending or breaking-because your ride deserves the best! The package includes a matching Fuji lock nut, Both the bolt and nut featuring a sleek black oxide coating for added protection and style. Upgrade your Light Bee rear axle and ride with confidence knowing you have an axle that&';s up to the task!