XCADEY XPOWER-S Gen2 Power Meter Spider (4S) BF PA Number of Chainrings: double

Number of Chainrings: double

They will not "ride up" your heels during a race situation

SpecificationsRise: 40mmBack-sweep: 9-degreesUp-sweep: 5-degreesClamping Diameter: 31

The ST-R7120 shift/brake lever has a revised ergonomic design

With precise ventilation ports and internal channels to control air intake and release at both low and high speeds

XCADEY XPOWER-S Gen2 Power Meter Spider (4S) BF PA Number of Chainrings: doubleThe XPOWER S GEN2 4S is a power meter solution designed for XCADEY branded direct mount road cranksets. It is compatible with Shimano chainrings. The power meter is compatible with both single and double chainring systems. Specifications Accuracy + 1. 0 % Battery life 150 Hours Waterproof IP67 Battery Li ion Battery Wireless ANT+ Bluetooth 4. 0 Measure Type Spider APP Support XCADEY APP Power Range 0 2500 Watts Cadence Range 30 180 RPM Working