New arrivals of Carrmato bars 330/350 and 370mm one of the nicest track bars on the market!

XCadey rotor aldhu compatible power spider
XCadey rotor aldhu compatible power spider

XCadey rotor aldhu compatible power spider

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Do you love your Rotor cranks but have sways wanted to run power meters?

Designed to run with the rotor axle and crank these 144bcd cranks will lift your training by giving you accurate information.

XPOWER-S is a reliable and stable spider based power meter that is easy to use and install. Based on the excellent structural mechanics and electronic circuit design you can get ±1.5% accurate measurement of watts in every second.

Battery life 150 Hours

Wireless ANT+ / Bluetooth 4.0

Accuracy- -/+ 1.5%


Waterproof- IP67

Battery- Li-ion Battery, single point magnetic charging

Weight-101 g (SRAM 110BCD)

Measure Data- Power, Cadence, Balance

High Quality And Reliable

The measurement sensor of the XPOWER-S is located inside the jaws, which is the most stable and accurate measurement position. The XPOWER-S uses high-precision strain gauges and high-precision acceleration sensors with built-in intelligent temperature compensation algorithms to provide you with accurate and reliable power values at all times and in all locations.


price is for spider only, cranks arms, rotor axle pictured not included in price