Quote from: hybrid_hex on February 16, 2008, 04:14:44 PMI may need to change mine before long, they have a real big bent at the top, and I wouldnt be supprised if they break before long.Also, then the entire top of my bock moves I'm a little worried, theyve done it for ages, the calf support and knee bar all move forwards, pivoting around somewhere in the calf pad area, everything is tight, but it still moves!hybrid_hex It sounds like the 8 pop rivets inside the plates that hold the knee bar have sheared if you have access to a pop rivet gun (you must use them at work a lot of aircraft bits are held on with them ) it should be very easy to replace themJust undo the 4 hex head bolts that hold the kneebar on and pull them out that will release the calf pad, the 2 clamps (plastic shapes) and the kneebar then you should be able to see the rivets 4 on each side I don't know what size they are but most car spares and hardware stores stock a wide rangeIf you have to drill them out make sure you get the right size drill as they don't work well if you use to bigger drillGet them done soon because if they all shear you could bend the back frame by banging the bolts against it when you bounceJason
I may need to change mine before long, they have a real big bent at the top, and I wouldnt be supprised if they break before long.Also, then the entire top of my bock moves I'm a little worried, theyve done it for ages, the calf support and knee bar all move forwards, pivoting around somewhere in the calf pad area, everything is tight, but it still moves!