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Old 04-22-2013, 07:27 AM   #1
hzoltaan OP
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Joined: Jan 2011
Location: Krakow
Oddometer: 75
Jaw 350 638 fix her up

I have this bike since a short while and modified it a bit here and there.
there are hughe differences to the original '89 638 modell...

I've got a few questions what more experienced people here could answer...

The original tire size is 3.25 18 and 3.50 18, front / rear. I have changed the rear to 130 15 and the front to 4.10 18 (for sidecar setup the wide front seemed a good idea. Now that I dropped the sidecar from it and had the feeling that the bike is "heavy" and unwilling to get into turns I changed the front again this time to 3.25 16 dunlop K550...
Can I expect that the bike will be more agile?

A question on brakes. As you can see this one has duplex drum on the front. How can I make it better and better? I must say, I clean it regularly, and worked on the shoes with a file, also keep the cable, the handle and other moving parts oiled, but there is allways a way to improve. I'm satisfied with the brake, comparing to what it was before, but who knows...? :)

Here's a picture of it:

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