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Installed v-brakes on my son’s Specialized Hotwalk 12” balance bike. Got a bunch of tips from a fellow blogger. Below are the parts I've used for anyone interested:

Parts:
- V Brake mount adapter (Evolution Bike Co in Georgia $60)
- V Brake boss from LBS $5 (10mm coarse thread)
- Tektro Mini BMX Brake/Lever/Cable set from JensonUSA $17

I shaved down a section of the brake pads since the rear of the pads were closer to the rim than the front and throwing off the modulation of the brake lever squeeze. This is because I moved all the concave pad washers to the outside of the v brake to allow the brake arms to be within recommended specs. If I installed with the pad washers in the proper positions, the top of the brake arms would have extended out too much, and I didn’t want the arms getting caught up on my son’s legs.

Otherwise, the install was straight forward. My 2.5 year old son can grab and pull the lever without issue.
 

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Mmm... Tasty
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I like it! Getting him used to hand brakes now will aid the transition to a "real" bike that much easier. Good job :)
 

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Thanks for posting this! My son's Hotwalk doesn't have brakes either so I was looking for ways to add brakes to it. Looks pretty straight forward and relatively inexpensive. Thank you!
 

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Yeah I'm not a big safety freak but I could never feel comfortable letting my 2-3 year old use that unattended. plus it is way overkill.
 

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Cheapo
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Glad this came up. I was looking at that and thinking "Damn, that's expensive", but then realized you can just unbolt it and move it on to the next bike when the time comes.

I have a Hotrock 16 that I want to put a brake on. I was just going to throw a caliper brake on there because something is better than nothing right now (using it as balance, no pedals), but this here may be an even better option.

EDIT: Looking at the pics of the clamps, do they not already have the V-brake bosses installed? Or am I missing something? Trying to figure out how it all goes together.
 

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Cheapo
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I called Evolution Bike Co. to order a set of those clamps. They had 3 left when I ordered, and have another shipment of 100 coming in in about two months. He said this new batch will be anodized in various colors. They also charge sales tax for out-of-state sales, just FYI, something about covering their ass with the gov't changing their rules.

Now to source some v-brake bosses and buy the mini v-brake kit.

Is the cable that comes in the Tektro mini v-brake kit decent, or should I find something else?
 

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Sticking finger into a spinning disk rotor can easily amputate a finger, don't leave the bike within easy reach where kids can play with it unsupervised.
Always be careful with children, never my son is only biking. the purpose disc brake is minimize stress and fatigue when walking child.
 

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Cheapo
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Well all my stuff came in, just have to throw it on there now. The v-brake bosses were $10 for a pair of used ones at my LBS. I should have just bought Aluminum ones for a bit more, think of all the weight savings! ;)
 

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Cheapo
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OK...chain guard bracket is right in the way of the clamp location. I guess I have to grind it off our read around to see what others have done.
 

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Cheapo
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Unless I can put them on the chainstays instead, haven't checked that yet.

EDIT: Nevermind, I think it'll hit the chain that way.

Hmmm.
 

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OK...chain guard bracket is right in the way of the clamp location. I guess I have to grind it off our read around to see what others have done.

Unless I can put them on the chainstays instead, haven't checked that yet.

EDIT: Nevermind, I think it'll hit the chain that way.

Hmmm.
Dave88LX,

What did you ever work out with these? I went to order the V brake adapter plate from Dan's Comp today and it's no longer listed on their site. Guess I'm willing to pay a bit more for these clamp on ones if that's all I can find.
 

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IMG_3052.jpg IMG_5020.jpg IMG_6642.jpg
Dave follow the instructions the poster put up. I was the one who originally did this but the OP fine tuned it. As you can see I am also running this set up on a 12 in cult pedal bike. The clamps are the best way to go to get the best braking power for your little guy. I chose to go with an avid 5 brake lever as it not only adjust the lever position but also how the easy or hard the lever pulls. My 2 year could easily lock the rear wheel up. Hope this helps

Dave88LX,

What did you ever work out with these? I went to order the V brake adapter plate from Dan's Comp today and it's no longer listed on their site. Guess I'm willing to pay a bit more for these clamp on ones if that's all I can find.
 

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Hi,

I also would like to install v-brake to 12" Scott Voltage Walker
Do you think will it work?

Thanks.
(I've started own topic before I found this thread, anyway that would be useful for future searchers too)

221811_14767_png_zoom_3.jpg
 

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gambit023

Hope you don't think I'm taking the pee..
I'm over the pond in the UK and wanting to fit a rear brake to my crazy sons Hoy balance bike.
Getting the mounts shipped over might be costly once customs get hold of them.
Is there any chance you could give me some dimensions on the mounts please? I can then knock some up on my mill.
 
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