Which Trek Bikes Use Reynolds 531 Tubing?
Which Trek Bikes Use Reynolds 531 Tubing? Reynolds 531 is now only available by special order. The nearest available stock material is BS4t45 to Bs5T100 in accordance with BS6S100 conditions. (T45) Reynolds has superseded this tube set with a number of innovations such as Reynolds 753 and the more current 853. How do you identify