YEAHRUN 40CR Steel Transmission Gear 0.8M 39T 45T Gearbox Gears for 1/10 TRX4 TRX6 All Series RC

YEAHRUN 40CR Steel Transmission Gear 0.8M 39T 45T Gearbox Gears for 1/10 TRX4 TRX6 All Series RC

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