Kyosho Ultima rb7.5 Idler Gear (40t) / Shaft (Um737-Um125)

Keep your Kyosho RC car running smoothly with this genuine replacement idler gear and shaft assembly, designed specifically for the Ultima RB7.5. This essential radio controlled car component ensures optimal drivetrain performance and reliability during high-speed racing and bashing sessions. Whether you’re maintaining your Kyosho radio controlled vehicle or restocking spare parts, this OEM-quality set delivers the durability you’d expect from a trusted name in RC hobby engineering.

• 40-tooth idler gear replacement
• Genuine Kyosho spare parts (Um737-Um125)
• Complete gear and shaft assembly