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21" to 16" front wheel

  • Yalgoo
    Yalgoo
    1 month
    I want to remove my 21" front wheel and fit a 16" wheel so what or how much over do my fork legs need to be 
  • speedzter
    speedzter
    1 month
    21 - 16 = 5
    5/2 = 2.5"
    This doesn't account for the rolling diameter of the tyre .

     
  • Yalgoo
    Yalgoo
    1 month
    Thanks mate you're a legend 👍
  • obisteve
    obisteve
    1 month
    Also depends on what bike, what's the aspect ratio of the before and after tyres and how much variation on how the handling and stability feel you're prepared to put up with.
    Speedzters figure will keep the bike sitting level, depending on tyre size as he says, but the handling and stability will still feel different.
    Great graphic Speedzter!
  • STEAMER
    STEAMER
    1 month
    Quoting Yalgoo on 07 Jan 2025 09:10 AM

    I want to remove my 21" front wheel and fit a 16" wheel so what or how much over do my fork legs need to be 

    Thats a big drop in front wheel diameter. 
  • John.R
    John.R
    1 month
    Not as crazy a drop as you might think. 1.5in difference in height, split it for axle height and its .75in lower.
    Screenshot_20250108_235933_Chrome.jpg
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