Found a cool bike for my kid, can I put disc brakes and 3-speed on this thing?
06-24-23, 04:49 PM
#1
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Found a cool bike for my kid, can I put disc brakes and 3-speed on this thing?
I found this online for $50 and asked my kid if she wanted it. I know she'll get bored with it that's why I only buy cheap bikes I can flip and use the money for other stuff she likes like video games and trips to te zoo. I bought her that obscene puppet she wanted even though her mom said it was bad.
Anyway, is there any way I can put some decent brakes on this and maybe swap the rear wheel for a 3-speed internal hub or add a derailleur? She likes to ride bikes with me but she's old enough now she knows the single speed Walmart bikes her mom buys suck. She wants one with speeds and she needs at least one good hand bake.
Anyway, is there any way I can put some decent brakes on this and maybe swap the rear wheel for a 3-speed internal hub or add a derailleur? She likes to ride bikes with me but she's old enough now she knows the single speed Walmart bikes her mom buys suck. She wants one with speeds and she needs at least one good hand bake.
06-24-23, 04:56 PM
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You should be able to get a 3sp hub on there, might have to be a sturmey archer but it should be easy to find. The bike isn't known for speed and a coaster brake is often adequate to the task but you should be able to find a set of tektro long reach brakes that will do the task.
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06-24-23, 05:02 PM
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I found this online for $50 and asked my kid if she wanted it. I know she'll get bored with it that's why I only buy cheap bikes I can flip and use the money for other stuff she likes like video games and trips to te zoo. I bought her that obscene puppet she wanted even though her mom said it was bad.
Anyway, is there any way I can put some decent brakes on this and maybe swap the rear wheel for a 3-speed internal hub or add a derailleur? She likes to ride bikes with me but she's old enough now she knows the single speed Walmart bikes her mom buys suck. She wants one with speeds and she needs at least one good hand bake.
Anyway, is there any way I can put some decent brakes on this and maybe swap the rear wheel for a 3-speed internal hub or add a derailleur? She likes to ride bikes with me but she's old enough now she knows the single speed Walmart bikes her mom buys suck. She wants one with speeds and she needs at least one good hand bake.
3 speed? yes... and those are now available as a coaster brake too..
derailleur? yes, but then you'll need sidepull brakes.. and considering the rear dropouts are only , what.. 120mm apart, it will be a stretch to accomplish since the narrowest rear freewheel hubs are 126mm....
best to leave it like it is, then upgrade in a couple years.... that bike is rare and cool.... most surviving "stingray" class bikes are step-thru frames
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06-24-23, 06:29 PM
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Disc brakes require stronger fork and spokes (rear should be OK as a coaster brake has the same requirement); and mounting brackets; rim brakes require mounting bosses or holes.
You will likely have a hard time finding a multi-speed hub with a coaster brake.
In my (humble) opinion, by the time you finish with wheel and frame modifications you would be better off watching Craigslist for a bike that already has the attributes you are looking for.
If that is a Schwinn (can only see the side of the head tube badge), you should be able to refurbish it and sell it for 2-3x what you paid.
You will likely have a hard time finding a multi-speed hub with a coaster brake.
In my (humble) opinion, by the time you finish with wheel and frame modifications you would be better off watching Craigslist for a bike that already has the attributes you are looking for.
If that is a Schwinn (can only see the side of the head tube badge), you should be able to refurbish it and sell it for 2-3x what you paid.
06-24-23, 07:07 PM
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You could probably put a SA 3 with 70 mm drum brake, 118 mm dropout. There is a big difference from SS. This is what I put on my 1973 CCM and did centuries with it just fine.
First make sure she can ride the bike OK till the end of next year. I used to see a 50+ lady riding one of those around downtown.
First make sure she can ride the bike OK till the end of next year. I used to see a 50+ lady riding one of those around downtown.
06-24-23, 08:16 PM
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Anyway, is there any way I can put some decent brakes on this and maybe swap the rear wheel for a 3-speed internal hub or add a derailleur? She likes to ride bikes with me but she's old enough now she knows the single speed Walmart bikes her mom buys suck. She wants one with speeds and she needs at least one good hand bake.
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06-24-23, 10:32 PM
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What does that reaction arm say on the side of it, and what does the hub have printed on the shell?
Is that a Perry b100 or a SA 3 speed? (komet maybe?)
Is that a Perry b100 or a SA 3 speed? (komet maybe?)
06-25-23, 07:51 AM
#8
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It is a cool bike. But concur that the conversion(s) you’re considering are questionable (disc brakes???). Like mentioned above…just restoring it as is would probably be your best bet. There doesn’t seem to be any/much corrosion. You could get it looking pretty nice. — Dan
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06-25-23, 08:02 AM
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Cool bike, She probably gets bored with cheap 2nd hand bikes, Get something interesting and WOW her.
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06-25-23, 09:43 AM
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20" Three speed hubs are out there if you're looking.
I have this one in my pile.
Anyway I asked about that old hub you have for a reason, someone will possibly trade you locally for a nice Perry or other old coaster brake.
This is a TCW III, one of the infamous three speeds.
I have this one in my pile.
Anyway I asked about that old hub you have for a reason, someone will possibly trade you locally for a nice Perry or other old coaster brake.
This is a TCW III, one of the infamous three speeds.
Last edited by Schweinhund; 06-25-23 at 09:54 AM.
06-25-23, 10:43 AM
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Front drum brake:
https://www.sturmey-archer.com/en/products/detail/x-fd
Rear 3-speed drum brake:
https://www.sturmey-archer.com/en/products/detail/x-rd3
You could add these w/o any frame modifications. When it's time to move on, you could put the original wheels back on and use the hubs for another project bike.
https://www.sturmey-archer.com/en/products/detail/x-fd
Rear 3-speed drum brake:
https://www.sturmey-archer.com/en/products/detail/x-rd3
You could add these w/o any frame modifications. When it's time to move on, you could put the original wheels back on and use the hubs for another project bike.
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06-25-23, 11:31 AM
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with kids....my experience is ask them we adults have no ideas what is cool
as for the bike....... leave it as is, clean and polish and if you must have more braking thing just add a caliper to the front.
don't bother throwing time and monuey at this
its a sting ray steyle. ride and look cool, do wheelies
as for the bike....... leave it as is, clean and polish and if you must have more braking thing just add a caliper to the front.
don't bother throwing time and monuey at this
its a sting ray steyle. ride and look cool, do wheelies
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06-25-23, 11:42 AM
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Love this bike as is! Including the stickers!
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06-27-23, 05:12 PM
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Trek, Specialized, Cannondale, they all make kids bikes in all wheel sizes!
Each one way cooler that "Walmart bikes her mom buys".
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06-27-23, 07:49 PM
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IMO it makes no sense spending serious dough ought to upgrade a bike.that will never be worth the effort.
First question is how old is your daughter, or how tall?
Second, is there a reason you're looking at this hi-riser style?
My.suggestion is to look for something closer to the end goal. You should be able to find a caliper brake 3s bike at a decent price. Certainly there's no need to look for speedy disc brakes on a "ride with dad bike".
First question is how old is your daughter, or how tall?
Second, is there a reason you're looking at this hi-riser style?
My.suggestion is to look for something closer to the end goal. You should be able to find a caliper brake 3s bike at a decent price. Certainly there's no need to look for speedy disc brakes on a "ride with dad bike".
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Just because I'm tired of arguing, doesn't mean you're right.
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06-28-23, 05:02 AM
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“Living vicariously” comes to mind.
06-28-23, 05:46 AM
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Look how happy these kids are!
Your kid can be just as happy, it's in your power to make it happen!
06-28-23, 05:55 AM
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These were popular when I was a child, but not so much today. I would leave as is and spend the $200 on a modern bike with the components you want.
06-29-23, 01:55 PM
#19
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I think I'll sell this bike as is and put the money towards getting my kid a bike that has all the bells and whistles she wants. I've already seen a few for sale. Thanks for all the info.
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06-29-23, 03:05 PM
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It's no wonder so many kids hate cycling. So many parents keep giving them POS BSO curb finds.
Gotta give that special kid a special treat with a special bike
Look at that smile!
Gotta give that special kid a special treat with a special bike
Look at that smile!
06-29-23, 03:45 PM
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The conclusion I've seen before is that kids under about 8 have strong legs and weak hands. Thus pedal brakes are better than hand brakes for the type of riding and speeds they're doing.
