trek 3900

slacker

10 kW
Joined
Aug 8, 2009
Messages
747
Location
usa
hi all,i have been scanning graigslist for the next project bike and came across a like new trek 3900 for 240$.do you think this would be a good bike for a lower powered geared system like e-bike kit.looking to build something stealth and for assist,not for speed as i still enjoy pedaling.all opinions greatly appreciated,thanks.
 
Depends on the year.

I have a 4500 from the mid 2000's and it was easy as cake to make torque arms for, and it's been super solid even with a 250lbs rider doing 30-40mph.
 
slacker said:
hi all,i have been scanning graigslist for the next project bike and came across a like new trek 3900 for 240$.do you think this would be a good bike for a lower powered geared system like e-bike kit.looking to build something stealth and for assist,not for speed as i still enjoy pedaling.all opinions greatly appreciated,thanks.

Is it the disc version? Either way, it would make a good conversion.

You might want to swap out at least the freewheel and maybe even the crankset. If pedaling is important to you, (it is to me too) it will be extremely frustrating not to be able to contribute power at the motor's cruise speed.

"Hey!" to the cheeseheads! 8)

JKB
 
i think it is last years,it looks fairly new.it is the rim brake version.what do you mean hey to the cheeseheads i am in minn.we do not care for the cheeseheads.
 
slacker said:
i think it is last years,it looks fairly new.it is the rim brake version.what do you mean hey to the cheeseheads i am in minn.we do not care for the cheeseheads.

Not to worry: I have family from White Bear Lake, Minnesota. "Go Bears!"

I'm more prone to follow agriculture than I am sports:
http://www.stuffaboutstates.com/minnesota/agriculture.htm

You folks up there in MN have Hogs and Turkeys in common with us there. But we don't have the giant dairy presence (and awesome cheese industry) that you folks do. That's what I'm missing...great cheese and cheese curds and Butterburgers.

I get them when I go to Oshkosh, right down the road from Minnesota, right? 8)

JKB
 
good to hear from someone local,i grew up in shoreview,mn.i know the white bear lake area well.i would take your weather right now as we are getting a new pile of snow tonight.trade you cheese curds for some warm weather.
 
jkbrigman said:
slacker said:
i think it is last years,it looks fairly new.it is the rim brake version.what do you mean hey to the cheeseheads i am in minn.we do not care for the cheeseheads.

Not to worry: I have family from White Bear Lake, Minnesota. "Go Bears!"

I'm more prone to follow agriculture than I am sports:
http://www.stuffaboutstates.com/minnesota/agriculture.htm

You folks up there in MN have Hogs and Turkeys in common with us there. But we don't have the giant dairy presence (and awesome cheese industry) that you folks do. That's what I'm missing...great cheese and cheese curds and Butterburgers.

I get them when I go to Oshkosh, right down the road from Minnesota, right? 8)

JKB

I was swearing at the F.I.B.S. today on the way home from work. How is it possible an entire state has no driving sense? Yet IL exists. Anyway, I have a 2011 model 3700 disc. It is rock solid. I had torque plates made. No problems.
 
Oh yeah, I forgot: itchyknackers is up there in the Sacred Lands too. I'm turning toward both MN and WI and saluting. Gad I miss Mars Cheese Castle. And believe it or not, I'd trade you some fresh curds for warm weather, if we had it to send your way. We're 34F right now - although I guess that IS warm weather to you? :shock:

Holy crap I just looked up FIB and about fell out laughing. So you guys get that too, eh? We get that down here from similar types. Now I KNOW you guys in MN and WI are my bro's!

JKB
 
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