unkolearnuhowJan 17, 20211 min readPretension AdjustmentThis video is the last in my series of installing a Manny Sub single roller conversion kit. I found this method to be the most accurate way to adjust the pretension length for various spearguns.
This video is the last in my series of installing a Manny Sub single roller conversion kit. I found this method to be the most accurate way to adjust the pretension length for various spearguns.