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dopey question - hollowtech crank driver side duat cap?

rickbst170rickbst170 Posts: 228
edited April 2014 in MTB workshop & tech
Afternoon all,

Just received my m770 crankset. It's a used one. The right (driver side) crank arm has no dust cap. I know that the bb is going to be ok etc, but surely it will fill the axel with mud etc if left open? Should there be a dust cap for the driver side to save it from filling up with crud? Or is it standard practice to leave it open and clean it once full of crud?

I'd have thought a 20p plastic cover would do it, if such a thing exists.

Ta
Rick

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