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Bike Part Risk of Cancer????

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Old 11-01-13, 09:27 AM
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Bike Part Risk of Cancer????

I bought a Clarks Cantilever Brake block for my bike and on the back of it it says:

WARNING: This product contains a chemical known to the State of California to cause cancer, birth defects or other reproductive harm. This product is intended for the use of person over 12 years of age.

UHM What in the WORLD???!!!!
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Old 11-01-13, 09:46 AM
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Originally Posted by CoachManny
I bought a Clarks Cantilever Brake block for my bike and on the back of it it says:

WARNING: This product contains a chemical known to the State of California to cause cancer, birth defects or other reproductive harm. This product is intended for the use of person over 12 years of age.

UHM What in the WORLD???!!!!
The California law is unbelievably broad and just about anything that won't kill you quickly can meet their definition of what might cause cancer. That's why so many buildings have warning signs by the door.

Fibrax is probably over reacting, and playing it safe because they use certain solvents in the formulation of pad material, and there might still be some residue that hasn't off gassed completely. Braking also creates dust and that may be implicated.

My advice, don't put your nose close to the brake shoes and breathe deeply when braking and you should be fine.
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Old 11-01-13, 09:50 AM
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Every restaurant and bar in California has the same sign. If you want to be safe, you won't eat or drink.

The California law is so broad that it has become a laughingstock.
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Old 11-01-13, 09:52 AM
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Originally Posted by HillRider
Every restaurant and bar in California has the same sign. If you want to be safe, you won't eat or drink.
Also hotels, office buildings, and just about every public building. Private residences would also have the sign, but they're exempted.
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Old 11-01-13, 10:05 AM
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Don't eat your brake blocks. Safe to use for braking though. Companies have to cover their a-ses so as not to get sued. One day at my workplace it was raining so hard there was an inch of water on the ground. Management had us put out a CAUTION WET FLOOR sign in front of the outside walkway.

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Old 11-01-13, 10:26 AM
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When it comes to cancer know one really knows where it comes from and it can be any where.

Something like this does concern me.
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Old 11-01-13, 10:49 AM
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Originally Posted by CoachManny
When it comes to cancer know one really knows where it comes from and it can be any where.
It can also be everywhere. Where do you plan to hide?
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Old 11-01-13, 10:57 AM
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No big money to prevent labeling bike parts , unlike Monsanto, and others,

who does not want you to know about GMO ingredients in your food
and use their deep pockets to oppose any food packaging labeling initiatives

as was knocked back in Cal, [millions of $ spent] and is doing so, in WA, on the ballot, this time ..

BTW ' is a British Brand , now shipping to US direct from Asia..
the EU and UK have different precautionary principles on many things
where the US tends to skip that, sell it, and make people Sue for Damages, after the injury.

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Old 11-01-13, 12:50 PM
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sssssh! they don't know that here in Canada. be vveerrwy quiet
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Old 11-01-13, 12:58 PM
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Most likely there is cadmium in the plating.
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Old 11-01-13, 01:13 PM
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My single chain ring bolts I got in the mail this week have the same warning!
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Old 11-01-13, 01:34 PM
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Originally Posted by Metacortex
Most likely there is cadmium in the plating.
On the brake block?
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Old 11-01-13, 01:57 PM
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wasn't there supposedly some study at one point that tied cycling to an increased risk of testicular cancer in men?

as such brake pads, part of bike, bike can cause cancer ergo transitive property says brake pad causes cancer.
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Old 11-01-13, 02:11 PM
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Screw California. Seriously. Businesses should just stop selling things in that state.
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Old 11-01-13, 02:14 PM
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Originally Posted by RPK79
Screw California. Seriously. Businesses should just stop selling things in that state.
Or simply put a cancer warning on everything, as many now do. IMO that's the problem with the problem with laws like California's. When you bring the threshold too low, everything earns a warning label, which is functionally equal to nothing having a warning label.
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Old 11-01-13, 02:29 PM
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It only causes cancer in California. Since you are in Missouri you are safe.
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Old 11-01-13, 02:37 PM
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That warning is even posted at the front door of supermarkets.
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Old 11-01-13, 02:52 PM
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Originally Posted by FBinNY
The California law is unbelievably broad and just about anything that won't kill you quickly can meet their definition of what might cause cancer. That's why so many buildings have warning signs by the door.

Fibrax is probably over reacting, and playing it safe because they use certain solvents in the formulation of pad material, and there might still be some residue that hasn't off gassed completely. Braking also creates dust and that may be implicated.

My advice, don't put your nose close to the brake shoes and breathe deeply when braking and you should be fine.
Prop 65 isn't unbelievably broad but it is comprehensive. It started with the US EPA publishing a list of chemicals and substances that were know to contain cancer causing chemicals. Because of politics, the EPA could not restrict these chemicals but Californians put together an citizen's initiative that passed and the warnings are part of that initiative. Lots of people malign Prop 65 but they do so without knowledge of the materials that they are exposed to everyday.

There is a list of the chemicals that contain some very nasty stuff. So of it is acutely toxic (will kill you today) and some of it is chronically toxic (will kill you tomorrow and do so slowly). Go ahead and look at the list and tell me which one is which and which ones you'd like to be exposed to. Given what I do for a living and where I work, I could probably put my hands on about 75% of the chemicals on the list. Of course I would do so while wearing the proper gloves, in a hood and will the smallest amount that I would need for the task at hand. I would also consult numerous data bases on the hazards of the material if I hadn't do so already.

There are a few elements and compounds there that I wouldn't mess with at all...arsenic, cadmium, beryllium and their assorted salts. Although nickel is okay, I'd particularly stay away from nickel carbonyl which is one of those chronic toxics that will kill you slowly if you survive the initial exposure.

Originally Posted by Metacortex
Most likely there is cadmium in the plating.
Nope. Probably butadiene in the rubber. Butadiene has a more pronounced cancerous effect on women than on men because it interacts with estrogen receptors
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Old 11-01-13, 02:55 PM
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So don't eat or smoke your brakes.
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Old 11-01-13, 03:08 PM
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Licking them wouldn't be recommended either....
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Old 11-01-13, 03:32 PM
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Originally Posted by CoachManny
I bought a Clarks Cantilever Brake block for my bike and on the back of it it says:

WARNING: This product contains a chemical known to the State of California to cause cancer, birth defects or other reproductive harm. This product is intended for the use of person over 12 years of age.

UHM What in the WORLD???!!!!
In California. That most likely relates to the carbon black in the rubber of the brake pad. Some carbon blacks used to be known as "oil blacks". Made by burning oil with a minimum of oxygen. One time also known as lamp black. The "oil blacks" made by burning a petroleum oil at reduced oxygen levels is classes as a cancer causing agent. Some products will use "bone black, made by charring bones, as a way around that regulation. BUT! Diesel motors kick the same stuff out into the atmosphere with almost no regulation in most states. Some are now getting into requiring filters or traps on diesel trucks to trap the oily black soot that is a cancer causing agent.
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Old 11-01-13, 03:40 PM
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Originally Posted by CoachManny
When it comes to cancer know one really knows where it comes from and it can be any where.

Something like this does concern me.
Those signs and labels are absolutely everywhere in California We'd all drop dead from stressing out if we paid more than passing attention.
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Old 11-01-13, 03:54 PM
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We got some new brake pads in at the shop that say "asbestos free" on them.
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Old 11-01-13, 03:54 PM
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Starbucks has signs in CA explaining that yes it's true that the coffee has chemicals known... in it and then an explanation why any coffee does. Same goes for cooking over fire.

A couple years ago they had to stop selling kiddie size dirt bikes in CA because they were built with parts that contained chemicals known... They made a change to the law to make it less dumb.

Laws in CA really do affect a lot of people because other states follow their lead. The situation with fireproofing chemicals in upholstery is really awful, everyone is being poisoned on our behalf. The same is true of any big state, education reform in Texas is endumbening the entire block of red states.
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Old 11-01-13, 04:02 PM
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