Technical & Reference Section > Tech and Restoration

power disc help

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bmx xxx:
right i might be being a rit nood, but want to fit a power disc set up, to my redline crank arms , the redline chain ring has a little extra hole where the crank arm fits nicely instide the chainring, but on the power disc it sits outside the hole, trying to explain, or do i need a different power disc, cheers

dj_benice:
chainring adaptor vert ego has um

bmx xxx:
not for the spindle but for the arm , where the crank arm bolt does up,

GREMLIN:
You're going to have to fit a spacer of the right size in between the face of the power disc and the rear of the drive arm boss.  :daumenhoch:  G.

dj_benice:
machine the power disc hole to match the redline sprocket........

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