well it's what i would try. if you put a little bit and rub it just on the marks and not real hard then it shouldn't cause any damage, i'd make sure there is some water in there so it's not just dry powder.
I think your suggestions are too abrasive for PVC Rollers. Rollers are an inside training device. You set the rollers to your bike frame and wheels and pedal on top of rollers. The concept sounds easy but it does take a while to master. It is suppose to help with balance and pedal efficiency. It is like riding a bicycle on slick ice.
I finally got around to using my rollers last night. Found a gear that I could ride in without skating all over the place;-) But I did lose my balance twice and in the process I broke my rear cadence/speed sensor. It looks like i might be able to cable tie it to the frame. I may see if the LBS has a new/used mount I could have or order?
But I noticed a lot of black marks on the rollers. The front probably from the loss of balance twice and the back from just not staying in a straight line?
Is there some thing out there to use to remove these marks without being too abrasive? Will they come off completely?
I bought the cheapest set of Bontrager tires so I do have new rubber on the bike.
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