Thank you for viewing! This is a finished product of Pera tires (never run). Tires: Low friction maroon Wheels: SX chassis carbon dish Quantity: 8 pieces (for 2 cars) Tire diameter: 22.8 mm (surface tire) Tire width: 8 mm Bonus: 4 x 72mm hollow stainless steel shafts Manufacturing process: 1. 1.7mm wheel penetration (1.8mm penetration will not provide accuracy with Eagle's setter) 2. Wheel hexagon hole shaping 3. Wheel selection (only using good ones) 4. Wheel rim small diameter processing (using a setter) 5. Wheel roundness processing (using a setter) 6. Rough tire cutting with a Veracru cutter set to 22.5 mm (using 24 mm narrow tires) 7. Tire installation on low-height wheels with a Hirogerunder (fixed with double-sided tape) 8. Check for tire wobble with a work machine (if there is wobble, remove the tire and go back to step 7) 9. Tire processing with a tire setter 10. Tire edge chamfering We have spent a lot of time and attention to detail using Eagle's tire setter, P Model Lab's penetration jig, shaft blade reinforced wheels, Veracru cutter, Hirogerunder, etc. However, since this is a product made by an amateur, please refrain from purchasing if you are sensitive to details. As a bonus, we will include 4 x 72mm hollow stainless steel shafts that have been straightened to some extent. The case is also a bonus. Photo 5 ☆How to use ① Carefully attach the bonus shafts to the running machine so as not to bend them. ② Turn on the switch and rotate the tires, and lightly and evenly contact the left and right tires with a flat metal grindstone of about 600 to 1000 grit until you no longer feel any vibration. (Finishing cut) ③ Wipe off the tire surface shavings with lighter oil. ④ If you lightly touch the rotating tire surface with your finger and it feels like it's sticking, it's OK. If you still feel vibration, shave again evenly, but be careful not to over-shave. ※ It is recommended to use a jig for inserting and removing wheels. You can insert and remove them by hand, but there is a higher risk of bending the shaft. ☆Caution If the tires wobble due to a course out, there is a high possibility that the shaft is bent, so we recommend replacing it with a shaft with less bending. We try to ship the same day, so thank you for your cooperation.