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 about 1.5g Our injected hollow stainless steel shaft is about 1g The elastic material brings it closer to the flexibility of a titanium shaft, reducing troubles during running and making it less likely to bend! You can feel the effect even more if you use tires and wheels with good precision. Please comment if you have the desired number of shafts. Discounts are available depending on the number. If purchased with a motor, the shaft price will be 250 yen each for up to 4 shafts. Thank you very much! Mini 4WD