SRAM Battery Cover for Powermeter - Red E1 kids The Pro Speed Sensor is

The Pro Speed Sensor is a super compact and lightweight magnetless cycling speed sensor built from translucent Composite Matrix construction with an LED indicator

for rim profiles between 67 and 97 mm (64 and 94 mm with the conic adapter fitted)

the more energy-saving he or she can realize

Available in ±0° and ±10° angles and eight lengths from 70mm to 140mm

Hard Surfaces

SRAM Battery Cover for Powermeter - Red E1 kids The Pro Speed Sensor isReplacement battery cover for your SRAM Red AXS E1 power meter crank (1x and 2x). SpecificationsMaterial: plastic, aluminum Compatibility: SRAM Red E1 Powermeter (1x and 2x) Color: black Mfr Claimed Weight 9. 4g