The NGeco MTB SRAM single power meter spider is the power meter for all mountain bikers who already use a direct mount SRAM single crank set or a modular SRAM crank set with a Q-factor of 168mm (these cranks use 3 bolts to tighten the spider).
The NGeco MTB SRAM single power meter spider is for boost chainline. Can be adapted to standard with the power2max Adapter Boost to Standard.