Reinforced hollow shaft 72mm - 300 yen each This hollow stainless steel shaft is injected with a resilient material, making it less prone to bending. Also, it has been selected with a 1.97 checker, which leads to increased speed!! Weight: Tamiya genuine black reinforced shaft is approximately 1.5g Our injected hollow stainless steel shaft is approximately 1g The resilient material brings it closer to the flexibility of a titanium shaft, reducing problems during running and making it less likely to bend! Using tires and wheels with good precision will further enhance the effect. Please comment if you have the desired number of shafts. Discounts are available depending on the quantity. Thank you very much! Mini 4WD