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NGeco Battery change

Chainring and Spider /BCD video

Rotor 3D Shimano 4S installation video

Power2max and Shimano

How to change the battery on a Type S:

Installation Video for Rotor3D plus, 3DF, 3D30

How to tell the difference if you have a Rotor 3D or 3D plus, 3DF, 3D30

How to install a Power2max unit on a Cannondale crank

GCN visits Power2max