Attn: Skippii

rad!

I'd try doing a smaller or bigger actual wheel so it'll be unique.

oOoO- do a coker guni

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I dont know Skippii's really was a thing of beauty, but who knows.
Either way, I think that the idea of riding distance on a giraffe
sounds hilariously fun...if you dont go 100+miles that is and hurt your
knee (ouch).

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siafirede
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I think if you go long distances you will get tired and lazy. Normally a
fast upd on a normal uni would be bad but i would be alot worse on a
giraffe.

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Oh yes I know, even the not so fast UPDs kind of hurt, but if I was
doing this for practicality and safety it wouldnt be anywhere near as
fun.

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siafirede
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I think a 20" version with a higher gear ratio would be cool.

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hell-on-wheel

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Why is that? and what gear ratio are you thinking of?

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siafirede
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This thread has given me a major urge to get my "Coker on a pole" (see
thread with said name if interested in further info about it) back on
the road... I just need to get a tube for my spare airseat, figure out
how the heck to fold it correctly and install it, and then I'll be all
set to get back up there! Weaving through NYC traffic on a geared
giraffe is tons of fun - just gotta be extra careful not to kick cars'
sideview mirrors with my pedals when I ride through tight spots (I
don't think they like that)! The 31" size on my geared giraffe is
actually a lot more fun than the 37" size, so I'll have to flip the
wheel around since I still have it on the 37" size. Plus, free-mounting
is a lot easier on the 31" side!

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HardcoreCokerRider
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James- It would be more manuverable, and have a lower CG

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Parts used:

Savage 5-foot giraffe frame and seat post
Savage 5-foot giraffe axle/hub, which will need upgrading soon.
Really wide cotterless bicycle crank axle (same as savage but 20 MM
longer.)
175mm cranks
34-tooth gear (1/8th inch)
19T (19 tooth) 1/8th CroMo fixed gear cog
26" rim and spokes
26X1.5" tire
KH Fusion seat
strong chain for 1/8 cogs

Optional:
40 tooth gear
Extra chain for larger gear (might not be needed if you leave enough
leeway on the tensioners.
Gussets to keep the grame from bending to the chain side.

You can save some money by using the stock 28tooth gear with a 14 or 15
tooth cog, designing the frame so you don't need such a wide crank
axle, and even using the 20" wheel that comes with the giraffe (save a
lot on wheel as well as wheelbuilding costs.) If you use the stock
wheel and gear, use a 12T cog for the same ratio.

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Skippii

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HardcoreCokerRider said:

Weaving through NYC traffic on a geared giraffe is tons of fun - just
gotta be extra careful not to kick cars' sideview mirrors with my
pedals when I ride through tight spots (I don't think they like that)!

that is crazy! You should try it out on a higher gear ratio too, but
yes, coker on a pole is quite a fitting term for these things.

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Anyone else have ideas about using a 20" wheel vs a 26" wheel? The 20"
would obviously require a higher gear ratio, but would it be as smooth
as the 26"?

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Being 6 inches closer to the ground was the main advantage I saw, and
just for experimentation. It'd be fun to try out at the skatepark too.
I wonder which of 'these'
(http://www.sheldonbrown.com/harris/fixed-hubs.html) would be best for
us? The serrated locknuts look like a good idea to keep the chain from
loosening since all our weight is over the wheel.

Skippii - the last item on the list may be of use to you now.

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hell-on-wheel said:

Skippii - the last item on the list may be of use to you now.

Which one?

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Skippii

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😕There's only one last item on the list. The 3mm Chainwheel
spacers. Wasn't your chain a lttle canted/skewed/not-straight?

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hell-on-wheel said:

😕There's only one last item on the list. The 3mm Chainwheel
spacers. Wasn't your chain a lttle canted/skewed/not-straight?

Oh...that list! I thought you meant my list.
That won't help me. I kneed to shift the lower cog, not the upper
sprocket. As it is, I only have about 2 or 3mm of clearance from the
sprocket to the frame.

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hell-on-wheel said:

😕There's only one last item on the list. The 3mm Chainwheel
spacers. Wasn't your chain a lttle canted/skewed/not-straight?

Oh...that list! I thought you meant my list.
That won't help me. I kneed to shift the lower cog, not the upper
sprocket. As it is, I only have about 2 or 3mm of clearance from the
sprocket to the frame.

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Skippii

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ah._______

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hell-on-wheel said:

I wonder which of 'these'
(http://www.sheldonbrown.com/harris/fixed-hubs.html) would be best for
us?QUOTE]

I run an IRO rear hub on my fixie and it has held up pretty well, and
its cheap. If you have the $, I'd buy a surly. And as for the serrated
locknots, I'd just buy chain tensioners and then you'll have no
problems with sliding.

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chain tensioners won't do anything at all, except make the chain
tighter. That's not gonna help if the cog comes off the axle.
I don't even have Chain Tensioners on my Gguni.

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Skippii

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