Like all Team Losi springs these are precision wound and feature closed ends that have been ground flat for proper operation

The PHB2S5600150DNS is the higher-output Graphene-enhanced version

HPI Racing 101044 Aluminum Chassis 3mm Trophy 3

will NOT fit the

Genuine Team Losi Racing part TLR243041

Traxxas 8722 Speed Bit Handle Premium (Rubber Overmold) H&R Like all Team Losi springsTraxxas 8722 Speed Bit Handle Premium (Rubber Overmold) Work faster and more comfortably with the genuine Traxxas 8722 premium Speed Bit handle. The rubber overmold grip gives you excellent control and comfort during long wrenching sessions, whether you are building a kit or performing routine maintenance. Designed for the Traxxas Speed Bit system, it pairs with your Speed Bit tips to form a complete, high quality driver setup. Genuine Traxxas tool