The Giant Power Pro Dual-Sided Power Meter is a high-performance tool for cyclists looking to monitor their power output during training sessions. Made from durable aluminium, this crank arm features dual-sided sensors for accurate measurements. With a sleek black design, this power meter is suitable for both indoor and outdoor use, making it a versatile option for serious cyclists. The inclusion of an accelerometer further enhances the accuracy of the measurements, ensuring that users have a clear understanding of their performance on the bike 12 speed rings included Charger cable included