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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 03-11-08, 08:24 AM   #1
sumguy
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rims/wheels and other advice needed

Have a Raleigh Detour 3.0 that has taken a beating this winter. Just want some advice before going to the LBS. Use: has 1100-1200 miles of 4 season utility and commute cycling. Some specs:
Hubs - Joytech Alloy 36h. Cassette - Shimano Megarange 7sp. Spokes - 14g stainless. Rims - Weinmann CN520, double wall, 36h, schrader valve. Tires - 700x40 and 700x35.

1) Suspension seat post has green grease coming out the bottom near the adjustment screw. Is this normal?
2) Front derailleur. Shimano C50. The tail of the cable broke off at the screw. The cable routes under the down tube, under the bottom bracket, then up to the derailleur but the bare cable lays against the kickstand mount plate. Accident waiting to happen? Any alternative to routing under the BB/ side of kickstand?
3) Rim wear indicator - does no ridge mean its still good or needs replaced? They should be compatible with above hardware (700x40, schrader, 36h). Would I be better off just getting new cheap wheels considering rim cost+new spokes+labor? Any recommendations less than say $150 since the bike was $350?
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Old 03-11-08, 10:00 AM   #2
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1. Are you sure your seatpost is leaking grease? It's common when assembling a bike to grease the inside of the seat tube. When the seat post is inserted it will push down any excess and may make it look like it's leaking grease.

2. Greenfield, the most common kickstand maker, has a version with little notches that won't interfere with the front derailleur cable. They cost a few pennies more so many shops only buy the cheaper version.

3. 1200 miles, even gritty commuter miles, isn't a lot of rim wear. Check the brakeing surface with your finger. If it still feels flat, that's good. If it feels concave, it might be time for a new rim. I'd get a second opinion from a bike mechanic or somebody knowledgable.

Incidentally, retensioning and trueing those wheels might be a good idea. They weren't all that great coming straight out of the factory.
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Old 03-11-08, 10:38 AM   #3
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Quote:
Originally Posted by Retro Grouch View Post
1. Are you sure your seatpost is leaking grease? It's common when assembling a bike to grease the inside of the seat tube. When the seat post is inserted it will push down any excess and may make it look like it's leaking grease.

2. Greenfield, the most common kickstand maker, has a version with little notches that won't interfere with the front derailleur cable. They cost a few pennies more so many shops only buy the cheaper version.

3. 1200 miles, even gritty commuter miles, isn't a lot of rim wear. Check the brakeing surface with your finger. If it still feels flat, that's good. If it feels concave, it might be time for a new rim. I'd get a second opinion from a bike mechanic or somebody knowledgable.

Incidentally, retensioning and trueing those wheels might be a good idea. They weren't all that great coming straight out of the factory.
1) That could explain it. I would think greasing the post would be easier. The grease is accumualted maybe 1/8in thick and forms a circle around the bottom, almost like a thick felt washer. Greasing the tube then inserting the post sounds like it could cause that sort of build up.

2) Will shop around.

3) They still feel fairly flat and they definitely need to be trued. Have done the pothole and curbs thing.
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