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Wheel upgrade to 74 Speedster

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Wheel upgrade to 74 Speedster

Old 06-22-20, 11:15 AM
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Jmpierce
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Wheel upgrade to 74 Speedster

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I've been looking for one of these for years and finally found one in great condition. One issue is the rear hub. It was loose when I received it and I tried several time to adjust it but when the play is out it turns into a fixed gear. I'm not looking for a fixed gear I want a coaster brake hub.

I'm considering an upgrade, front and rear. I found a set of wheels on Ben's Bikes with Shimano hubs. Looks nice but I'm wondering if anyone has done this and what I should watch out for when ordering.

The seller told me when purchasing it that the rear wasn't original. The wheels are mismatched and I am not apposed to changing both for a better ride.
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Old 07-19-20, 06:29 AM
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Have you tried taking the hub apart to see what might be wrong? They are pretty easy to do, and easy enough to find parts for. I had one that did as your does. Either acted as a fixed gear or, if I stomped on the brake, it would stay locked like a parking brake. Turns out the spring that releases the part that switches between drive and braking (I forget the name), had broke.
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Old 07-20-20, 06:24 PM
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Originally Posted by Jmpierce View Post


That's a great lookin' Speedster. Congrats on the find.
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Old 07-21-20, 07:35 AM
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^^^ Thank you. I've been messing with the rear hub hoping that I'll get it to work properly. No luck yet. Still looking into a new wheel set.
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Old 07-21-20, 07:37 AM
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Originally Posted by Iron Horse View Post
Have you tried taking the hub apart to see what might be wrong? They are pretty easy to do, and easy enough to find parts for. I had one that did as your does. Either acted as a fixed gear or, if I stomped on the brake, it would stay locked like a parking brake. Turns out the spring that releases the part that switches between drive and braking (I forget the name), had broke.
I need to check the spring. I've had it apart a couple of times and referenced Sheldon a few times.
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Old 07-21-20, 03:30 PM
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What kind of hub is it?
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Old 07-23-20, 07:27 AM
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Originally Posted by canopus View Post
What kind of hub is it?
the brake says Bendix not sure of the hub. Its probably what ever the standard red stripe Schwinn rear hub was in the day. I messed with it again yesterday and got it to "freewheel" with very little side movement.

I am now looking at Shimano coaster brake hub with Alex DH19 700c rims in the rear and Shimano HB-TX500 in the front. I'm pretty sure 700c 28's will fit in the fenders.
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Old 07-23-20, 01:39 PM
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I have never seen a factory built wheel with a 700c and a coaster hub, can you include a link?... Check the clearance before you order. Last time tried a 700 on a 26" bike it barely cleared with a 1/8" clearance at the fork.

A bendix red band is a fairly robust/bomb proof hub. I would overhaul it and check it out. What size are your rims? Schwinn 26" (ISO 597) or where they replaced with like a Raleigh 26" (ISO 590)
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Old 07-23-20, 06:00 PM
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Originally Posted by canopus View Post
I have never seen a factory built wheel with a 700c and a coaster hub, can you include a link?... Check the clearance before you order. Last time tried a 700 on a 26" bike it barely cleared with a 1/8" clearance at the fork.
I used to see some sources of ready to go 700c single speed coaster brake hub wheels. Not sure where to look right now.

I do know some factory bikes come set up that way, such as this bike, and my 2012 Schwinn with a KT hub/brake as seen below with 700x42s on it.


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Old 07-30-20, 12:12 PM
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Originally Posted by canopus View Post
I have never seen a factory built wheel with a 700c and a coaster hub, can you include a link?... Check the clearance before you order. Last time tried a 700 on a 26" bike it barely cleared with a 1/8" clearance at the fork.

A bendix red band is a fairly robust/bomb proof hub. I would overhaul it and check it out. What size are your rims? Schwinn 26" (ISO 597) or where they replaced with like a Raleigh 26" (ISO 590)
Yeah, I'm not talking factory built. I'm thinking about hand built. Ben's is where I was looking for the parts and maybe a custom build.

The current rims are Schwinn 26" I believe (need to check that). I also want to be able to choose a large variety of tires. I think with Schwinn wheels you are limited to tires that fit Schwinn specs. I've been wrong before and I think the hub is missing something, made the spring?
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Old 07-30-20, 03:32 PM
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Handbuilt coaster brake... not sure it's worth it if you want 700c size. Though probably the only way to get it in a 26" size. Schwinn 26x1 3/8" (ISO 597) is severely tire limited. British 26x1 3/8" (ISO 590) has a lot more tire choices. But installing British size would require new rims (probably SUN CR18's) and if you can't get your existing hub to work, a new hub. And while your at it, you may as well improve the front hub... yada... yada... (It's a big rabbit hole I don't recommend you go though unless you really want to and don't care about money, I usually go through it for all my bikes rather I want to or not.)


If you can fit 700c's under the fenders and you want 700's then probably just order a pair of wheels with a coaster brake. I am personally enjoying bigger tires on the bikes right now. If you go this way, let me know. I wouldn't mind having some back up rims in the schwinn size if you do not want to store them.


The hub should look something like the lowest hub in this diagram from pgbikes. Use a good car wheel bearing grease, not a bike grease. Bike grease usually doesn't last and doesn't work as good.

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Old 07-31-20, 12:27 PM
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This will help greatly in figuring out what's wrong. Thanks. I have the heavier weight grease, used it on many of these hubs. Right off the bat one of the brake shoes is broken so that there are three pieces. Is it possible that that is the problem?

Still not sure about replacing the wheels. I probably will. I want to use this bike as a frequent rider for 10+ mile rides.
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Old 07-31-20, 01:13 PM
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Yeah, if you have three pieces of brake shoe, that's a problem.
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Old 08-02-20, 02:15 PM
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Thank you Canopus. I thought it might be a problem.
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