A moped blog

Mopeds at Dawn is a collection of photos, videos and information on mine, and other peoples classic mopeds.

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Sunday 25 August 2013

Tomos disc brake 2

Today I was working on the disc brake for the Tomos. My goal was to get the wheel centred on the forks without anything rubbing. I used some washers and spacers to get the wheel centred but the the disc rubbed on fork leg and so did the nuts holding it on. This was due to the disc not being flat but offset. I decided to flip the disc so it would be closer to the wheel and also reversed its nuts and bolts because the bolt heads were 2mm shallower than the nuts. I put it all back togther but still needed to grind the fork leg slightly to give the bolts heads extra clearence. Its all straight and runs smooth with no rubbing. Next is to make the caliper mount and fit the tyre.

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