https://www.maxmotochain.com/product/cheng-shin-3-50-10-100-90-10-c907-tread-tl-scooter-tire/
Cheng Shin 3.50-10 (100/90-10) C907 Tread TL Scooter Tire | Promotional products
Cheng Shin scooter tire, premium quality 3.50-10 tubeless tire used on street legal moped scooters. Cheng Shin tread pattern C907 as shown. Also known as...
https://www.asm-steelmetal.com/en/products/SAE%2065%20-%20C907%20(Round,%20Bushing,%20Square,%20and%20Flat%20Bar)
SAE 65 - C907 (Round, Bushing, Square, and Flat Bar)
High wear and corrosion resistance, good mechanical strength, and anti-friction properties.
saeroundbushingsquareflat