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Would you trust Sunlite brake bolts?

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Would you trust Sunlite brake bolts?

Old 04-04-21, 11:39 PM
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noobinsf 
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Would you trust Sunlite brake bolts?

I just got a deal on a nice set of Cyclone single pivot brake calipers, but they are recessed, and I want to use them on a frame that needs nutted mount. Drilling the frame is not an option. However, I know Sunlite sells these:

https://www.ebay.com/itm/SUNLITE-F-4....c100891.m5206

Iíve used items like Sunlite tubes and bearings, cable endcaps and whatnot, but not something as critical as a brake mounting bolt before. It seems like they are a big enough operation that they would not put out a substandard product. Do others agree, and would you swap these in for your own brakes? I may also go to the coop to find a donor set, but want to see what folks think.
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Old 04-04-21, 11:55 PM
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Nah, front to rear, use a coupling nut inside the steerer ( might have to trim to fit- they vary )
M6 button head cap screw to stabilize it from the back, use a formed washer perhaps
if you work out the dimensions well it is actually stronger than the typical thru bolt.
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Old 04-05-21, 12:38 AM
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Originally Posted by repechage View Post
Nah, front to rear, use a coupling nut inside the steerer ( might have to trim to fit- they vary )
M6 button head cap screw to stabilize it from the back, use a formed washer perhaps
if you work out the dimensions well it is actually stronger than the typical thru bolt.
I love this advice, I might do just that on my Trek. Thanks!

Last edited by romperrr; 04-05-21 at 12:39 AM. Reason: spelling
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Old 04-05-21, 12:39 AM
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They wouldn't be my first choice, I'd try the coop route before resorting to these
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Old 04-05-21, 04:31 AM
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Originally Posted by repechage View Post
Nah, front to rear, use a coupling nut inside the steerer ( might have to trim to fit- they vary )
M6 button head cap screw to stabilize it from the back, use a formed washer perhaps
if you work out the dimensions well it is actually stronger than the typical thru bolt.
Should also use a formed washer between the nut and the inside of the steerer; without one the corners of the nut won't take much before they wear enough that it's loose.

A small bit cut from an old stem, squared up and drilled will do.
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Old 04-05-21, 05:16 AM
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What's the worst that could happen?

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Old 04-05-21, 08:48 AM
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Only chain whip that ever asploded on me while I was taking off a freewheel, was a brand new one made by Sunlite.....
Bought it because I was cheap....
Whether that means their other stuff is junk, I'm not sure. But I'm sure, since then, Sunlite will not be my first choice for most tools or parts for my bikes.
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Old 04-05-21, 02:10 PM
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Appreciate everyone's perspective. As it happens, I have an old DC 500 brake set that I could have sworn I had given away a long time ago, and I think the pivot bolts should work for a transfer. I'll steer clear of Sunlite for this purpose.
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Old 04-05-21, 03:47 PM
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I'm all for not wanting to use it for bike snobbery reasons, but as far as actual safety goes, I'm sure its fine.
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Old 04-05-21, 03:55 PM
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If in doubt about product safety, buy from a company with US assets.

This assures that the company is liable for dangerous products they sell, and thus they are likely to carry insurance which pressures them to have safety-related quality-control and testing data, all for asset protection.

Last edited by dddd; 04-05-21 at 05:09 PM.
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Old 04-05-21, 03:55 PM
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My thoughts go to what's the worst that could happen? It's just a brake bolt. The rear brake will probably just swing down a little. Might jam the wheel and be hard on the tire. The front should just pop out neatly.
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Old 04-05-21, 04:09 PM
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Bolt should be OK (even though 40+ years on, they can't make a budget brake bolt with flats for a narrow centering wrench!), but I'd stay the hell away from the included nylon thrust washer.

-Kurt
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