Did you know that there are two ways the front tension assembly affect your tension? The resistance on the windowed wheel is affected by the white knob, but there is a separate amount of tension created by the check spring tension. You might find a few helpful hints and feel more comfortable making the adjustments after viewing this video. For an extra front tension assembly, click here or you can purchase felt pads, a check spring, or a lightweight cone spring. We always prefer the light weight spring as it enables you to have finer control over the tension.