8
Fine Tuning the Neptune Challenge AR:
The Neptune Challenge AR Rower is designed to function as a pre-stressed frame . Using the
Mid Leg as your guideline, tighten the Vertical Frame Tensioning Bolt until the Mid Leg rises ap-
proximately 3-5mm off the floor. The Mid Leg should just touch the ground during a rowing
stroke.
And with the Multi-Tool here:
Adjust Vertical Frame Tensioning Bolt here using
the Allen Key here: