Tube Reducer

Stem O/D (mm) A – Tube O/D (mm) B * 

  5 – 4 (+£0.02)

  6 – 4

  6 – 5 (+£0.06)

  8 – 4 (+£0.08)

  8 – 5 (+£0.08)

  8 – 6 (+£0.08)

  10 – 6 (+£0.32)

  10 – 8 (+£0.38)

  12 – 6 (+£0.44)

  12 – 8 (+£0.46)

  12 – 10 (+£0.58)