Inpower 3d+ DirectMount is the most affordable powermeter of the Rotor line, and it's including the DirectMount technology.
Power is measured on one side (balance is available with 2Inpower).
The 30mm axle is ultra stiff and allows to locate the weight into the spindle (better than when moving into arms or pedals)
Aero version: includes a direct mount aero spider and aero chainrings
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|For Frames:||BSA, ITA, PF30, BB386EVO, BBRIGHT, BB86|
|Number of holes||4|
|What's in the box :||Crank arms, axle with integrated powermeter, aero spider, aero chainrings|
Inpower software is available for free and will allow you to measure your OCA (angle of your dead point). Then, it'll let you know which OCP (position) you need on your spidering.
Weight: 172.5mm length 810 g (52/39 aero)
Sizes: 165/170/172.5/175 mm