This SIGEYI AXO Power Meter Spider is compatible with SHIMANO MTB M9100/M8100/M7100 cranksets. Chainring interface is 4-bolt (104 BCD).

Compatible with the below crank-arms only

XT m8100
XT m8120
XT m8130
SLX m7100
SLX m7120
SLX m7130
XTR m9100
XTR m9120
XTR m9130
MT900

Specifications
Material: Aluminum Alloy
Accuracy: ±1.5%
Power Range: 0~2500W
Cadence Range: 30~220RPM
Operational Temperature: -20℃~50℃
Battery life: 120 hours (normal temperature)
Standby time: >1 year
Data transmission: ANT+，BLE
Waterproof Level: IP67
Firmware upgrades with the SIGEYI app
Measures: Power, Cadence, Left/right power balance
Zero/Calibration: Auto Zero
Function: Temperature compensation
Charge: Magnetic charge cable

Mfr Claimed Weight
115g