Compare rim sizes
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Original Rim:
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Rim Size
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Rim Width
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Offset
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New Rim:
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Rim Size
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Rim Width
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Offset
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Inner edge of the rim moves 7.7 mm (0.303") inside
Outer edge of the rim moves 17.7 mm (0.697") outside
Offset change: -5 mm (-0.197")
Track width change: -10 mm (-0.394")
Center line original rim
Center line new rim
Offset: the distance between the hub mounting face at the back of the wheel and the wheel's center line.
Offset is often referred to as ET. ET is the short form of the German word 'Einpresstiefe'.
The track width is the distance between the wheelsets. The distance is measured from the wheel center.
© 2005 - 2025. Jan Ivar Karlsen