Zippkits r-4 or 21fe v2

[tjsb]

On 4 s what is the better rigger?

[oscarel]

Did you read the description? R4 designed for p-limited, 21 for p. Both are 4s..

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[tjsb]

But there different sizes and one is an older design?

[Addicted]

ZipKits has been out of stock on the R4. I went with the 21FE V2 and I love it 3660 2300kv, OSE 150, with a sharpened and balanced stock Veles prop. 60mph and runs cool as a cucumber.