"Reynolds SMS was introduced at a time when the major bike manufacturers were looking for a cost effective material that could be used on frames that were needed in the gap between the 531 butted (50 tonne) and mild steel non butted (20 tonne)
Reynolds introduced SMS as a high grade mild steel BUTTED tube with a strength around 38 tonne UTS"
Reynolds introduced SMS as a high grade mild steel BUTTED tube with a strength around 38 tonne UTS"