SSD RC D Hole 1.55" Steel Beadlock Crawler Wheels (Black) SSD Steel D Hole 1.55" Beadlock Wheels feature a plated finish, machined aluminum 12mmhubs and beadlock rings, combined with an internal beadlock design and SSD scale hexhead bolts to round out the package. They use a 6 screw clamp system that makes it easyto mount up your tires, and are compatible with Axial 12mm hex mounts Features: 1.55" wheel size Standard 12mm hex mount Internal beadlock system Removable hub Stamped steel wheel with zinc or black plated finish CNC machined aluminum hub and rings Easy to mount tire, only 6 screws Specially made scale steel 2mm hex head bolts with yellow zinc plating Finish off the scale look with SSD Scale Locking HubsNOTE: A 2mm (M2) hex socket is required. This tool is not included and must be purchasedseparately (SSD00053). Scale hex bolts may need to be tightened or threadlock before use. Specifications: Width: 19mm Offset: 0.5mm Backspacing: 10mm Weight: 54g Includes: (2) Complete assembled wheels