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  1. A

    Switch from 9 speed to 7?

    I'm looking at 2003 Trek 4900. It has a 9 speed rear gearset, but I would be better of with a 7 speed rear to go with MAC motor, so could I just get a new set of rear gears, or do I have to change the derailluer and shifter ect??? I have a Trek 820 as well, more of a parts bike, but has good...
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    Trek 820 frame, go or no!!!!

    Here is a pic of my 2006 Trek 820 Frame. Close-ups of rear dropouts. Should I use this frame, add front disc brakes, and other quality components to this frame and use it for my MAC 8t conversion kit? The good, this frame is steel, with a good triangle for my batteries. The bad? So what do...
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    My Build Plan: Advice?

    Also, if i search for a new bike: 1. Must it be steel frame? 2. Do I need disc brakes? 3. Does it need 7 spd rear to work with the MAC motor, even if I buy the 7 speed 11T freewheel from cell_man?
  4. A

    My Build Plan: Advice?

    okay everyone, I need to search for a new bike. The bike I picked up had too many problems. Technician said the rear wheel was bent, spokes too tight, cables need replaced, derailleur possibly bent, ect. I think he said part of frame may be slightly bent, but could straighten it out possibly...
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    My Build Plan: Advice?

    Well i just picked up a Trek 820 on craigslist. Will post some pics for you guys later to see what you think. I have nearly no knowledge of bikes and their parts, thats what I'm trying to learn now, fix up small things, get the maintenance part down before i throw batteries on it. Rode it...
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    My Build Plan: Advice?

    I've got the chance to pick up a trek 820, 2006 it looks like on bikepedia. 7 spd rear steel frame? good bike to pick up?
  7. A

    My Build Plan: Advice?

    If I buy the 7-spd 11 tooth freewheel from cell_man, will if matter which year 4300 I were to get? Any other good used bike models to keep an eye out for on craigslist? I know a lot of threads cover this but since you know exactly what I want to do, any particular recommendations would be...
  8. A

    My Build Plan: Advice?

    I am new to the ebike world! I would like to put together a bike for a fun project and to increase my knowledge of electric motors/batteries ect. I've spent the last week on here researching as much as I can.... I would like: around 30mph top speed Range: Not very important to me, no commute...
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