Compatible only with: S/T [ Step-Through ] Cargo E-Bike Required the S/T PassengerHandlebars & S/T Roo Rest to build out your Joey Kid Carrier Kit. Add the final layer of protection to your family hauler with the S/T Safety Bars. Engineered to connect the Roo Rest and Passenger Handlebars into one unified structure, these bars reinforce the entire rear passenger system for maximum stability, ride after ride. Finished with foam padding for extra comfort and cushioned contact points, they turn a solid setup into a complete, worry-free ride for your little ones. Structural Reinforcement – Connects the Roo Rest and Passenger Handlebars into one solid, unified frame for added rigidity and strength. Foam-Padded Comfort – Cushioned foam padding on contact points adds comfort and softens impact for rear passengers. Complete the Kit – The final piece required to fully build out the Joey Kid Carrier Kit. Confidence at Every Angle – Adds an extra layer of security during turns, stops, and everyday riding. Durable Construction – Powder-coated aluminum built to match the strength and finish of the rest of the S/T family system.