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Won a bike, but don't know how to install the brakes on it

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Won a bike, but don't know how to install the brakes on it

Old 08-27-17, 03:46 PM
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Won a bike, but don't know how to install the brakes on it


I am eager to get a bike a won to ride. It is a one speed, the brand says "pure fix Los Angeles". I am a college student and don't have the money to take it to a bike doctor. So right now I would like to be able to fix it myself with the assistance of someone on here. The bike is brand new but it seems to have a few problems that I need to correct.

Here are pictures for reference:

First, the two fronts nuts holding the front wheel on keep coming loose. Cannot figure out why. I tighten them then ride a bit and they feel like they are about to come off.

Second problem is the brakes. I see a cord hanging down the front on the brakes to the front brake pads and assembly. Not sure where to insert this cord and where to tighten. Not sure what sort of tutorials there are for this style front brake on a one speed bike.

Lastly, the housing which holds the handle bars to the frame of the bike wobbles. So the handle bars wobble back and forth as I ride. Not sure how to tighten this.
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Old 08-27-17, 04:04 PM
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The first problem is the brake has no housing, just the cable. It's never going to work that way.
Second is that front wheel is so loose, I can see it in the first picture-- DO NOT RIDE WITH IT LIKE THAT. That wheel gonna fall out, and you will have a bad day.
Third, it sounds like either the stem is loose on the steerer, or the bars are loose in the stem.

Find your nearest bike shop or bike co-op, and go there immediately. Have a mechanic look it over. As it sits, that bike is quite literally dangerous.
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Old 08-27-17, 04:13 PM
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Repair Help Articles | Park Tool Seems like minimal research skills would be useful for a college student....
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Old 08-27-17, 04:40 PM
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Google is your friend. Pure Fix has assembly instructions on there website. Pure Fix
Don't ride it f...up it will hurt you. Good luck.
that wheel is missing some nuts.

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Old 08-27-17, 05:49 PM
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Left fork end appears to be bent, probably the box got dropped in shipping, fork end sits right at the box corner, so this damage is common

this misalignment is likely why your front wheel is not tightening properly.

this is fixable, but you do not possess the alignment tools to do it right.

Combined with your lack of knowledge, I strongly recommend taking this bike to a qualified bike repair shop for assembly and safety checks.

I understand it was 'free' so spending cash to get it worked on may not appeal to a poor college student. But for real, 'there's no such thing as a free lunch'.

Honestly the contest or whatever who gave this to you should have given it in assembled form...
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Old 08-27-17, 09:28 PM
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"won?" I'm not so sure...
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Old 08-27-17, 10:19 PM
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For the brake, you need to buy a length of brake cable housing. Then it needs to be cut to the correct length to for the distance from the lever to the brake caliper. The 'chord' coming out of the lever is called a cable and needs to be inserted through the brake cable housing. Each end of the housing needs to be inserted into the lever, and the other end into the brake caliper. The cable is then clamped between the bolt and plate on the caliper arm (next to when the cable is resting in the pics).

Watch these videos on how to set up a brake caliper

And this video on how to preload your bike stem to stop the wobbling

Last edited by trailflow1; 08-27-17 at 10:35 PM.
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