https://www.speedworldhobbies.com/On_Road_Nitro_RC_Car_Parts_Kits_and_Accessories.cfm?pn=XRA345571&pID=2695
345571 Adapter 2-Speed Small
345571 Adapter 2-Speed Small 2-speed shoe adapter CNC-machined from high-tens | 345571 Adapter 2-Speed Small | XRA345571
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