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The inner hub spacer on the front wheel
is too long and when the axle is tightened causes the bearings
to bind. The spacer then acts like a bearing rather than a spacer
and causes abnormal wear on the axle. Not to mention that you
waste h.p. overcoming the high friction. |
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Remove Front Wheel and test by turning
the inner race of the wheel bearing. If it doesn't move freely,
i.e. is hard to turn, then you need to remove bearings and make
spacer correct size. |
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 Install Bearing in speedo drive side,
then spacer, then rotor side bearing. Be sure to use blue loctite
on rotor screws. |
now your front wheel on your Derbi GPR should spin freely! |
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