DIY Beginner’s Guide to the Most Common Bike Repairs Rock nā Roll ā Your Action Plan Bike Repair Guide” and “Tube Repair Guide”. Another handy tool is the small color code marked standard size paints on the tube that will help you quickly spot the situation: red = damaged, blue = blocked, yellow = overcoat. When it comes to tube repair, the best time […] Written by admin November 21, 2019November 21, 2019