The Power2Max NGeco Road SRAM power meter spider is the power meter for all cyclist who already use a SRAM with three torque bolts (i.e.: Force22, Rival22 and S900 crank sets).
The NGeco Road power meter offers you:
+/- 2% Precision
ANT+ / BLE Transmission
300 hours battery life
Power meter metrics: power, cadence, L-R balance, pedal smoothness, upgrade with extra costs