$138.00 $69.00

Battery free and with back-light, the SM02 is auto powered by the spinning rotor.

Compatible with all existing Powerball models, allowing you to monitor highest achieved rotor speed and accumulated revolutions, plus a 30-90s physical strength challenge!

Check out ourRPM Powerballrange!

SKU:OY0000173094 Category:

Battery free and with back-light, the SM02 is auto powered by the spinning rotor.

Compatible with all existing Powerball models, allowing you to monitor highest achieved rotor speed and accumulated revolutions, plus a 30-90s physical strength challenge!

Check out ourRPM Powerballrange!

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