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Old 10-10-18, 07:27 AM
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rogercm98
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Townie

I live in Mexico and Electra is no longer here. I found a Townie single speed but there are a lot of hills here. Does anyone know if the frame has enough space to put a cassette in the back so I can have at least 7 gears?
Thanks.
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Old 10-10-18, 07:36 AM
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rhenning
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Most likely it will not fit if it is is a current coaster brake bike. Derailluer geared bikes are usually a lot wider. You might be able to fit a Sturmey Archer 3 speed coaster where the current hub is. That would give you a bit mor grearing. Roger
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Old 10-10-18, 08:14 AM
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I hey I live in Cali and I go to Mexico a lot. What’s up?! Show us a picture of what you got!
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Old 10-10-18, 08:54 AM
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Originally Posted by rogercm98 View Post
I live in Mexico and Electra is no longer here. I found a Townie single speed but there are a lot of hills here. Does anyone know if the frame has enough space to put a cassette in the back so I can have at least 7 gears?
Thanks.
You have the bike; take the rear wheel out and measure the frame spacing: https://www.sheldonbrown.com/frame-spacing.html

Everyone else is guessing; and probably wrong.

You can 7 speed freewheel hub with 126mm, 130mm and 135mm O.L.D. O.L.D. is the hub measurement that corresponds with the frame spacing measurement, they should be with 2 or 3mm of each other.

You can get cassette hubs with 130mm and 135mm O.L.D.

In addition, you'll need a new chainring for 3/32" chains (your current is for 1/8" chains), a rear derailleur with a claw or equivalent, new chain, shifter, cables, and it would probably be a good idea to have a rear brake as well - especially given that you are in hilly area,. and a front brake if you haven't got one already.

In the USA, it would a LOT less expensive to get a new bike than to try to convert what you have.
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Old 10-10-18, 09:38 AM
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Originally Posted by rogercm98 View Post
I live in Mexico and Electra is no longer here. I found a Townie single speed but there are a lot of hills here. Does anyone know if the frame has enough space to put a cassette in the back so I can have at least 7 gears?
Thanks.
"Necessity is the nother of invention."
- Given your circumstances, I think it'd actually be a fun project. But the questions/comments I have are:
- Is this conversion to use it as a road bike, or off-road?
- When you say "put a cassette in the back"...do you mean on the existing wheel/hub? You can't since it's a singlespeed.
- And since you'll be taking away the coaster brake, you will need brakes. You could probably drill holes so that you could mount the front/rear calipers for a road setup. Otherwise you'd have to braze on lugs for V brakes.
- As far as bottom bracket...looks like you'll have to find a universal BB that will accommodate a crank set that will allow you the used of whatever gearing you want for the chainrings. Or, use that existing single chainring/crankset and only have a rear derailleur (using a universal hanger, and clamp-on front derailleur if desired).
- If the rear dropouts aren't wide enough to accommodate the new wheel/hub that you need to use...it is possible to spread them some. I've done it on old frames. You can find procedures on the internet on how to do it that ensure they're spread evenly.

Again...could be an interesting project. But, as mentioned above it could be cheaper/easier to just buy the correct kind of frame you want.

Good luck

Dan

Last edited by _ForceD_; 10-10-18 at 09:42 AM.
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Old 10-10-18, 11:50 AM
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rogercm98
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Thanks for the info.
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Old 10-10-18, 11:57 AM
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I do not have the townie. Electra does not do business here but a shop in Mexico City has one. It is the only one I have found after an extensive search. It is new, has V brakes and will cost 300 dollars with shipping. I would like to have 7 speeds because of the hills.
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Old 10-10-18, 01:16 PM
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change parts?

Trek is distributing Electra now... (LBS sells them)

the 7 speed is a freewheel/cassette , you may want a wider range gear cluster
and a MTB rear mech
if it's a bit hilly..

Or get a S-A hybrid 3 speed internal + cassette hub wheel
to in effect a triple crank + cassette all on the rear wheel ..
once its your bike feel free to change things..

"speeds " is a cog count, gear ratios is the actual gears.
How big? thats Math.



..

Last edited by fietsbob; 10-10-18 at 01:26 PM.
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Old 10-10-18, 03:39 PM
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Buy a different bike.
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Old 10-11-18, 06:26 AM
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Originally Posted by HillRider View Post
Buy a different bike.
That's what I think too. It'll be cheaper, work better and a lot less hassle.
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Old 10-15-18, 07:04 AM
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Originally Posted by Retro Grouch View Post
That's what I think too. It'll be cheaper, work better and a lot less hassle.
As far as I can tell there is only this one new bike in Mexico. I have seen several used advertised at a MUCH higher price. Thanks everyone for the help. I will get the single speed and see what happens
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Old 10-16-18, 01:06 AM
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The single speed doesn't have a derailleur hanger so you'll have to use a claw type derailleur in addition to a new rear wheel. I forget if the chainrings will fit a 3/32 chain. Seems like a lot of hassle for a bike you don't already own. Townies are totally good bikes, but there are a number of competitors that feature similar geometry, with various tricks to get around Electra's somewhat dubious patent on placing the cranks forward of the seat tube, including simply having a really slack seat angle.

Also probably any Trek dealer in Mexico can order an Electra. https://www.trekbikes.com/us/en_US/s...r/retailer/MX/ there are a few.
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