Tree BMX Hub Guards. Tree 4140 Modular Hub Guards are CNC machined from 4140 heat-treated chromoly for maximum strength and long lasting durability. Each guard includes a universal insert designed to fit most hub types. Available in front, rear non-drive side and rear drive side applications for maximum grind protection. For Tree brand hubs, please see the Tree 4140 Guard Inserts for the appropriate size hub guard insert

• Tree BMX Hub Guards. Tree 4140 Modular Hub Guards are CNC machined from 4140 heat-treated chromoly for maximum strength and long lasting durability. Each guard includes a universal insert designed to fit most hub types. Available in front, rear non-drive side and rear drive side applications for maximum grind protection. For Tree brand hubs, please see the Tree 4140 Guard Inserts for the appropriate size hub guard insert