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Old 08-08-09, 11:19 PM   #1
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building bike for trailer

I'm putting together a bike for hauling a trailer along (flat bar road bike)and I was wondering if it there would be any advantage to using 180 cranks(triple).If anybody has any other tips that may help... -ps ; this bike will be made from all older parts , I probably wo'nt have to buy anything to do this project.It may grace the frankenbike thread in cv soon.
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Old 08-09-09, 03:11 AM   #2
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165 rather than 180.
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Old 08-09-09, 08:14 AM   #3
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badmother (what a weird name), why do you say that? I'd think you'd want as much leverage as you can get.
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Old 08-09-09, 10:52 AM   #4
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Quote:
Originally Posted by noglider View Post
badmother (what a weird name), why do you say that? I'd think you'd want as much leverage as you can get.
And let your legs and knees take the beating?

Crank arm length

Determining Crank arm length for Road Bike

And about my weird name: Want to know what glider is in my language? Trust me, you do not.
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Old 08-09-09, 01:52 PM   #5
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when i was younger, i built a wagon that would allow me to pull lawn equipment around through the neighborhood. that's right; i was that kid cutting people's lawns off a bicycle!

the wagon was/is about 30lbs, the lawnmower around 100lbs, leafblower, weed whacker, spare gas can, bag of grass and water were another 50lbs. So... around 180lbs of extra weight attached to a 35lb wally world bike.

You'll have trouble on the hills. I suggest getting the lowest gearing ratio you can. I couldn't pull the cart more than 15km/h due to the wagon shaking. So... you'll want a good, low gear ratio.

I don't know how heavy your trailer is going to be, but if your brakes are marginal, you may want to consider an upgrade/replacement.
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Old 08-10-09, 01:44 PM   #6
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I intend on the lowest possible gearing I have available.I also would have thought 180s would be better for the leverage.The trailer w/ 2 kids is about 100lbs.Old dia-compe centerpulls w/mountain bike levers do the stopping chores pretty good(I never liked em w/ road levers)but w/ a trailer we'll have to try and see.-pulling 100lb trailer is like climbing a tree,with an anchor.
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Old 08-10-09, 01:48 PM   #7
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bio-pace maybe?
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Old 08-28-09, 08:54 AM   #8
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any input on bio-pace rings?
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