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Bike maintenance brand criticised for "really poor taste" video linking Sir Chris Hoy's cancer diagnosis to use of rival company's chain lube

Green Oil faces backlash over "disgraceful" social media posts asking: "Did Sir Chris Hoy get cancer from PTFE bike lubricant exposure?"...

Bicycle maintenance brand Green Oil has been criticised online for a series of social media posts linking Sir Chris Hoy's cancer diagnosis to rival company Muc-Off's chain lube. Joining those condemning the posts, Muc-Off has since said it is "shocked and saddened that Chris Hoy has been dragged into such squalid social media activity" and that the company would be "reviewing our options regarding these false allegations".

Posts appeared on Green Oil's Facebook, Instagram and YouTube pages over the weekend, videos uploaded with the title: "Did Sir Chris Hoy get cancer from PTFE bike lubricant exposure?"

Green Oil criticised for "really poor taste" Sir Chris Hoy posts

The voiceover to the two-minute video said Hoy "was part of Team Sky" who were "sponsored by the company Muc-Off", a rival bicycle maintenance products brand. Green Oil's video then said Muc-Off "manufactured lubricants containing PTFE", and later on that "there is a link between PTFE production and cancer".

It finished by asking: "What do you think? Is there a link here or not?" The final 30 seconds of the video then transitioned to an advert promoting Green Oil's products, including its chain lube.

Green Oil criticised for "really poor taste" Sir Chris Hoy posts

Green Oil markets itself as "the world's greenest bicycle maintenance products" brand and offers a range of chain lubes and cleaning products, some of which have received positive reviews on road.cc. Now the brand has received many comments criticising the "really poor taste" video and accusing the company of an "utterly scummy way to approach marketing".

Muc-Off this lunchtime told road.cc that it was "in the process of reviewing our options regarding these false allegations" and expressed shock and sadness that Hoy had been "dragged into such squalid social media activity when he has other more important challenges right now".

A spokesperson told us: "We are shocked and saddened that Chris Hoy has been dragged into such squalid social media activity when he has other more important challenges right now.

"There are comments about our brand that are simply wrong. To be clear, we do not use PTFE in any of our current product range as we took a decision many years ago to become 100% PTFE free due to environmental concerns. We are in the process of reviewing our options regarding these false allegations."

One comment on Facebook accused Green Oil of "exploiting" Hoy's illness for sales, while others on Instagram saw viewers commit to never purchasing Green Oil's products due to the "distasteful marketing".

A bike shop owner told the brand: "You or any of your products will never set foot in my shop. This is absolutely disgraceful."

One YouTube viewer said that while PTFE is "an issue" the "unsubstantiated and tasteless" claims and "dragging Chris Hoy into your marketing" had "just lost you a customer/a shop". Another called it "disgusting opportunism", while a third urged Green Oil to take the "bang out of order" video down.

"Speculation like this (that smacks of commercial opportunism) is offensive and counter-productive," they continued. "Chris Hoy is a real person with a family, I hope they don't see this [...] Drawing on a specific individual case is unscientific, and the backlash will hurt the cause. There is a debate to be had but this isn't how to go about it."

chris hoy london bike show

Green Oil has replied to numerous comments and doubled down on the video. In one reply, the brand said "the idea was to simply raise the question — and awareness".

Without evidence to support the statement, another reply on the brand's Instagram page says: "A fit healthy man like Sir Chris Hoy shouldn't be getting cancer — it was likely caused by a carcinogen like PFOA. Will get in touch with him next week to see what he thinks, likely he would like people thinking about this to stop future victims of cancer don't you think?"

road.cc contacted Green Oil for comment and received a lengthy reply in which many of the same claims were repeated, although there was an acknowledgement the video and posts were "misjudged".

Hoy was diagnosed with cancer in 2023 and told the public of the news in February 2024. In October, he announced that the diagnosis is terminal and he has two to four years to live, adding that he is "feeling fit, strong and positive, and overwhelmed by all the love and support shown".

Chris Hoy and Skarper

The NHS joined the cycling community and wider public in praising Hoy's bravery, the six-time Olympic champion's terminal cancer revelation prompting a near sevenfold increase in prostate cancer advice searches.

"Thanks to his bravery, we have seen a significant spike in people accessing vital information on our website about the signs and symptoms of cancer," NHS England's National Clinical Director for Cancer Professor, Peter Johnson, said in a statement. "One in two people will develop some form of cancer in their lifetime and detecting the disease early gives the best chance of successful treatment."

> "The idea is to create a positive out of a negative": Cancer My Arse's Kev Griffiths on living with stage four cancer, Sir Chris Hoy, and why he's encouraging everyone to ride out of the saddle for charity

Responding to the figures released by the NHS, Hoy said the "massive increase" in men seeking advice has been a "huge comfort" to him and his family.

Hoy's website, with information on an upcoming memoir about his life since the diagnosis, can be found here. For advice on spotting symptoms of prostate cancer, you can visit this page on the NHS England website

This content has been added by a member of the road.cc staff

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64 comments

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hawkinspeter replied to Anonymousattorney | 1 week ago
0 likes

Anonymousattorney wrote:

Teflon is the trade name for PTFE. And "PTFE" or indeed any material will contain impurities. PTFE as it happens is made in a way that results in an unusually complete polymerisation reaction, and so it is an odd choice of plastic upon which to fixate of your concerns are related to trace amounts of precursors. As I mentioned earlier, if you worry about that sort of thing, you may wish to desist eating anything that uses plastic packaging at all. With the greatest respect, you are confusing how things are made with what they are made of. You are also conflating environmental issues with health issues, and in addition conflating unrelated potential health issues with one another. I am fairly confident of dismissing the health risks from Teflon because it is not a particularly new plastic and is extremely well studied. The plasticisers and extrusion aids tend to be benign things such as paraffins, the most profound health effects of which is laxative.

You're over simplifying - Teflon is the trade name for a PTFE-based composition.

I'm not trying to state that Teflon is the only problematic plastic, so you're kind of building a strawman with your comments and ignoring the issues around Teflon.

Anyhow, I'm getting bored with this discussion now.

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chrisonabike replied to hawkinspeter | 1 week ago
2 likes

Somehow the points you're both making seem to be sliding past each other with very little interaction...

FWIW - on what we know currently (always subject to discovering new things) Teflon as applied to things and its degradation products are indeed pretty safe as plastics go.  That's not to say that its producers were/are completely honest about possible negative effects of precursors (or when they spilled stuff) - nor that the growing concentration of these things in the environment (as they're so inert) is good news.  Nature has ways of bioaccumulating things to surprising concentrations.

My bet is that some bugs will be found which eat - or evolve to eat - this stuff (like they do concrete) - producing who knows what?

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Anonymousattorney replied to chrisonabike | 1 week ago
2 likes
chrisonabike wrote:

Somehow the points you're both making seem to be sliding past each other with very little interaction...

FWIW - on what we know currently (always subject to discovering new things) Teflon as applied to things and its degradation products are indeed pretty safe as plastics go.  That's not to say that its producers were/are completely honest about possible negative effects of precursors (or when they spilled stuff) - nor that the growing concentration of these things in the environment (as they're so inert) is good news.  Nature has ways of bioaccumulating things to surprising concentrations.

My bet is that some bugs will be found which eat - or evolve to eat - this stuff (like they do concrete) - producing who knows what?

Look Teflon was the original trade name for PTFE itself, that's just a historical fact.

But as to products comprising it, you are using the term "PTFE based" out of context, since it will be around 99.5% PTFE or more. Like all materials (polymers or otherwise) there are impurities, but Teflon is comparatively of high purity and so should be the least of your worries.

Accumulation of plastics is a problem, yes. But plastics (including but by no means limited to PTFE) in the environment is completely unrelated to the nonsense that Green Oils UK has posted.

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S.E. replied to hawkinspeter | 1 week ago
1 like

Thanks, I've heard of that...

My idea was that these cookware mostly lose their Teflon layer when dish washing (abrasion of the sponge, brush), but I noticed that after a few months of cooking on the same limited area of a large frying pan, the layer looks more worn out on this area than on the rest of the surface!

I'm not that worried anyway, my guess is the risk remains limited, a bit like this Roundup scare, when you look carefully at studies, toxicity is on par with cell phone use, processed red meat, very (too) hot drinks, etc.

My point is that you'd need to literally eat large amounts of PTFE to be in danger (i.e. to make it "probably carcinogenic").

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Simon E replied to S.E. | 1 week ago
1 like

S.E. wrote:

My point is that you'd need to literally eat large amounts of PTFE to be in danger (i.e. to make it "probably carcinogenic").

I'd agree on this. It's interesting how often it's low risk sources are discussed/argued over at great length but the more insidious ones glossed over. I'm thinking of things like air pollution (exhaust emissions are very obvious while riding to work on cold mornings like today), ingesting stuff in food and drink (particularly meat & UPF) or skincare products. It's something I'm conscious of, and we eat more organic food now than we used to. And I know that when I clean the gunk from my chain and cassette that the lube is benign. It's not going to 'save the planet' (a silly statement if ever there was one) but it's a choice I'm comfortable with.

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Sredlums replied to S.E. | 1 week ago
2 likes

"else much more people would get cancer"

Err… what!?
A huge amount of people DO get cancer 😑

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Secret_squirrel replied to Sredlums | 1 week ago
3 likes

Sredlums wrote:

"else much more people would get cancer"

Err… what!?
A huge amount of people DO get cancer 😑

But not linked to PTFE.  Do keep up 003.5, the context isnt that hard to see.

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SimoninSpalding | 1 week ago
11 likes

Not a fan of either company, Muc-off have some form as well I believe. However, to use ANYBODY'S illness to try and sell your product over another one is sick beyond belief.

My best wishes to Chris, Sara and the family.

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ubercurmudgeon | 1 week ago
8 likes

Green oil, black heart.

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eburtthebike | 1 week ago
21 likes

"the idea was to simply raise the question — and awareness".

Clearly not: the idea is to trash the competition and sell more of your stuff.  Asking questions like that is a Farage tactic e.g. "Are the police hiding anything."

As a Green, I am disgusted that the concept of being green is disgraced and devalued by this company, which clearly doesn't understand that being green also means being honest. 

If a company has values this low, how can you trust anything they say?

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chrisonabike replied to eburtthebike | 1 week ago
4 likes

eburtthebike wrote:

As a Green, I am disgusted that the concept of being green is disgraced and devalued by this company, which clearly doesn't understand that being green also means being honest.

Currently being "green" is just another sales opportunity, or a box that needs ticked to allow a product to get to the starting line.

It's not just "lies" always but the truth is usually nuanced. e.g. "zero emissions" vehicles?  No, they emit particulates locally, same as ICE vehicles, and in fact they still emit greenhouse gases.  It's just that now happens somewhere else, and we have no idea what or how much or even where.  "Out of sight, out of mind".

As for "green means being honest" in the political field ... good luck with that.  Idealism and principles are going to be casualties for any movement that aspires to power.  The competition isn't going to be so scrupulous!  Plus if your party succeeds it will become a magnet for ... people who want to succeed.  Some of whom may be more attracted to the "success" part than the cause.

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eburtthebike replied to chrisonabike | 1 week ago
6 likes

chrisonabike wrote:

eburtthebike wrote:

As a Green, I am disgusted that the concept of being green is disgraced and devalued by this company, which clearly doesn't understand that being green also means being honest.

Currently being "green" is just another sales opportunity, or a box that needs ticked to allow a product to get to the starting line.

It's not just "lies" always but the truth is usually nuanced. e.g. "zero emissions" vehicles?  No, they emit particulates locally, same as ICE vehicles, and in fact they still emit greenhouse gases.  It's just that now happens somewhere else, and we have no idea what or how much or even where.  "Out of sight, out of mind".

As for "green means being honest" in the political field ... good luck with that.  Idealism and principles are going to be casualties for any movement that aspires to power.  The competition isn't going to be so scrupulous!  Plus if your party succeeds it will become a magnet for ... people who want to succeed.  Some of whom may be more attracted to the "success" part than the cause.

As a member of the Green party, almost everything you say there is nothing to do with being green, mostly it's green-washing, something very different indeed.

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chrisonabike replied to eburtthebike | 1 week ago
1 like

Agreed - but - precisely because of assiduous green-washing* - the two are going to be popularly conflated.  Thus unfortunately "no, that's nothing to do with..." may sound like "no true Scotsman..." to many.

* Or being charitable and less cynical one might say there's quite a bit of overselling.  Ignoring the blantant greenwash (e.g. "let us keep selling our product") this is understandable.  Unless there was some strong promotion why would you seek out a way to pay more for the same, or accept less convenience?

Plus small efficiencies / reductions in pollution get eaten up by increasing numbers of people, who all are highly motivated to keep up with the Jones, or would at least like to live a bit less miserably than their parents.

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stevemaiden replied to chrisonabike | 1 week ago
0 likes

Green products are a real phenomena. Green products are less harmful to the environment and mammals like humans. To use green credentials as a selling point ultimately helps eliminate toxins and contaminants from the air and soil and water. There's nothing wrong with advertising based on green credentials. And cars not emmiting toxins on street corners is better despite emissions into the higher atmosphere from gas power plants.

Do you work for a petrochemical company per chance? Or maybe you're hyper cynical. The fact the greens power share in Europe and have not abandoned core principles disproves your assumptions on that. Why do you think environmental laws are constantly improving?

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mdavidford replied to stevemaiden | 1 week ago
1 like

stevemaiden wrote:

Do you work for a petrochemical company per chance?

Can't imagine much less likely.

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chrisonabike replied to stevemaiden | 1 week ago
0 likes

Um... wrong end of stick? (unless you work in the chemical industry yourself.  And - playing devil's advocate - few industries have improved as much as the petrochemical businesses.)  Although I don't currently work at planting trees or organically composting people or grow all my own food or fuel ... and yeah, I'm a bit cynical.

This would all be a meaningless discussion about feelings if we don't have some definitions of what "green" means.  I doubt many people will agree with each other on this one but perhaps we can say something like "causes fewer negative environmental side effects" (from raw materials through manufacture, in use or after it's broken / ended)?  And/or perhaps "uses fewer resources" (arguable, that)?

Are all "green products" thus?

What connection is there between "using x as a selling point" and "ultimately helps eliminate toxins and contaminants from the air and soil and water"?  Are you saying that marketing will create a climate in which this actually happens - as opposed to say a market for "being able to talk about such things"?  History seems to show that humans may care about what is (very) local to them, or care about "issues" for a short time.  But generally social motivations drive us.  And we want less detail rather than more.

Perhaps "the world is getting better - just very slowly".  Certainly e.g. industrial chemical processes have become more efficient, and there is more concern about not having or spilling nasties.  On the other hand perhaps it's just a series of something like Jevons' paradoxes?  As we "make better" or find a new source of resources (having used up the cheap form of the last lot) or have "less smoke coming out of the back" people react by using (a lot) more of it?

Looking back at the last century the way to e.g. climate hell (or plastic everywhere) was indeed paved with some good intentions - and lots and lots of "little"!

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chrisonabike replied to stevemaiden | 1 week ago
0 likes

On the Greens - I hope the Green party sticks to principles of social justice, localism and environmentalism.  I'm not familiar with European politics, exuse ignorance.  The Bute House agreements in Scotland with the SNP allowed some commitments which I thought good and quite radical for us (e.g. active travel budget to be set to a sensible fraction of the "road budget" - and the SNP even stuck to it).  FWIW they clearly stuck to their guns.  But on the other hand it seems that was part of the reason the coalition ended (of course lots to do with "politics" e.g. the SNP struggling for supprot, as parties often do after many years in power).

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henryb replied to eburtthebike | 1 week ago
15 likes

The media term for this is "JAQing off" (JAQ = Just asking questions). Farage does it all the time (something like "Is there something behind the Southport riots - I'm just asking questions"). It's the feeblest form of argument.

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hawkinspeter replied to eburtthebike | 1 week ago
5 likes

eburtthebike wrote:

"the idea was to simply raise the question — and awareness".

Clearly not: the idea is to trash the competition and sell more of your stuff.  Asking questions like that is a Farage tactic e.g. "Are the police hiding anything."

As a Green, I am disgusted that the concept of being green is disgraced and devalued by this company, which clearly doesn't understand that being green also means being honest. 

If a company has values this low, how can you trust anything they say?

Alongside honesty, a critical component of "green" practices is accountability. That's what we have missing in so many of Capitalism's failures is that companies make a lot of profit and then don't have to worry about external pollution etc. (see water companies for more info)

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Legin | 1 week ago
4 likes

There really are better ways to wind up a business than by trashing your brand and personal image. Gerald Ratner provided the case study for this, perhaps they didn't include this in the course at Southampton Uni. But he seems top have swerved the tirade of abuse that British Cycling got parternering with Shell... perhaps he'll get away with this as well.  

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wtjs replied to Legin | 1 week ago
2 likes

This quotation from 'Simon Nash' looks like another hacked account- lots of mistakes in it, such as 'principals'

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Legin replied to wtjs | 1 week ago
3 likes

wtjs wrote:

This quotation from 'Simon Nash' looks like another hacked account- lots of mistakes in it, such as 'principals'

Taken from his LinkedIn page.

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wtjs replied to Legin | 1 week ago
7 likes

If it's genuine, he needs somebody with a GCSE to run his social media for him

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Legin replied to wtjs | 1 week ago
5 likes

I think we already know that he doesn't have that person.

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Eton Rifle replied to wtjs | 1 week ago
1 like
wtjs wrote:

This quotation from 'Simon Nash' looks like another hacked account- lots of mistakes in it, such as 'principals'

He also can't seem to make up his mind as to whether he's the Managing Director or the "CEO".

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Rendel Harris | 1 week ago
27 likes

Not only is Green Oil's attempt to leverage Chris's cancer a disgrace, it is also entirely ignorant as evinced by its statement "A fit healthy man like Sir Chris Hoy shouldn't be getting cancer — it was likely caused by a carcinogen like PFOA." Chris has metastatic prostate cancer; prostate cancer has one of the highest rates of causation by inherited genetic factors, with approximately 60% of cases derived from them. Sadly although staying fit and healthy can have a small influence on one's chances of developing prostate cancer it is only a small influence compared to the three major factors of genetics, age and ethnicity.

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Jetmans Dad replied to Rendel Harris | 1 week ago
18 likes

Rendel Harris wrote:

... prostate cancer has one of the highest rates of causation by inherited genetic factors ...

Indeed, which is why my GP was very keen to know that my Father had prostate cancer 10 years or so back and discuss the potential implications for my own health. 

Not to mention that we are constantly bombarded with information about how many things in our environmental potentially cause cancer that seeking to isolate one specific item in a specific patient solely to sell your own products that don't include it is just appalling. 

As one of the commentors online said ... there is definitely a debate to be had about the presence of these "forever chemicals" in bike maintenance products, but GreenOil have picked probably the worst possible way of framing their contribution to it. 

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Anonymousattorney replied to Jetmans Dad | 1 week ago
6 likes
Jetmans Dad wrote:

Rendel Harris wrote:

... prostate cancer has one of the highest rates of causation by inherited genetic factors ...

Indeed, which is why my GP was very keen to know that my Father had prostate cancer 10 years or so back and discuss the potential implications for my own health. 

Not to mention that we are constantly bombarded with information about how many things in our environmental potentially cause cancer that seeking to isolate one specific item in a specific patient solely to sell your own products that don't include it is just appalling. 

As one of the commentors online said ... there is definitely a debate to be had about the presence of these "forever chemicals" in bike maintenance products, but GreenOil have picked probably the worst possible way of framing their contribution to it. 

I am all for informed debate, but please see my post above regarding toxicity. There is no possible causal link, and what the likes of Green Oil are doing is flagrantly conflating unrelated issues.

This absence of scientific understanding from them does rather cast doubt on anything else they might claim, about their own product or others'.

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Simon E replied to Jetmans Dad | 1 week ago
1 like

Jetmans Dad wrote:

there is definitely a debate to be had about the presence of these "forever chemicals" in bike maintenance products, but GreenOil have picked probably the worst possible way of framing their contribution to it. 

I agree. I've been using Green Oil chain lube instead of petrochemical chain lube since it was first launched. I'm disappointed with this stunt, which is in extremely poor taste, but I'm not going to stop using the product because the alternatives are simply not acceptable.

I just hope Mr Nash learns his lesson from this monumental PR fuck-up.

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Boopop | 1 week ago
6 likes

I volunteer to marshall iBike London rides and at the midway point on this year's santa ride, someone asked me to help him record a video for a indiegogo fund for Greenoil's new big bike cleaning brush. I wish in hindsight I said no. Ironically, I feel dirty!

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