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ok, hopefully this is the right place for this query.
I've never had any problem with the knee over pedal aspect of bike fit before. I've always tended to focus on reach to handlebars and saddle height and tilt, so I suppose I've just got lucky that the KOP element worked out more or less right each time. On my new frame though I seem to end up with my knee behind the pedal axle and I can't figure out why. All other variables are the same (crank length, saddle, pedal etc). The frame has a 73.5 seat angle, but I've ridden frames with that before and still had no problems. Plus, I would have thought that a 73.5 would give a shorter saddle fore-aft measurement to the 73 of my road bike that I'm used to. It looks like I'm going to have to shorten my reach to the bars to correct this, resulting in quite an upright position. Currently using an 11cm stem, so I guess there is room to maybe get a 12cm stem to allow me to be a bit more stretched out, but it's weird as I can't figure out the reason for the difference.
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File your crank profile.
Out of interest, do they fit on the other side? Oh, and TA are not exactly cheap.
Thanks, 'crank profile' was the phrase i was looking for. Not tried the other side as the chain line would be out, but I suppose if it fits there it might rule out the idea that the chainring is not round? yes, the TA was £40 but I got a discount at Condor, so not cheap. -
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Ok, can't seem to find this specific topic being covered...
I'm swapping a 48t Miche chainring for a 46t TA chainring (both 135 bcd). The problem is that the TA chainring is slightly too 'tight' to fit on the crank arm. To get it on I had to place a long screwdriver in there and kind of lever it on, but this resulted in the chainring being pulled out of round. I don't think I've permanently altered the shape of the chainring, but can't get it on at the moment without altering it such that the chain tension varies wildly from too slack to too tight. Is there some way of getting it on, by maybe filing some material away, or are different chainrings/cranks from different makes just not compatible?
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there is a genuine debate to be had about the rebuttable presumption being used in this case, and we all know how difficult it can be to get a just outcome when there is a road traffic incident involving a cyclist:
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[B]Legal Presumptions of Liability**
Let’s take a look at what happens when a driver injures a cyclist in the Netherlands, and then let’s compare that to what happens when a driver injures a cyclist in the United States.
In the Netherlands, the law imposes a rebuttable presumption of liability on drivers—if a motorist is involved in a crash with a cyclist, the law presumes that the motorist is liable for the crash, unless the motorist can rebut that presumption with evidence to the contrary. The reason for this shift is that the Dutch recognized that the cyclist will virtually always be the injured party in a collision with an automobile, and by putting the onus of fault on the driver, have provided motorists with a powerful legal incentive to pay more attention to the presence of cyclists. Thus, it wouldn’t be legally sufficient for a Dutch driver to merely claim “I didn’t see him”—the most common excuse drivers use in the United States—in order to escape liability. Instead, the Dutch driver would have to prove that the cyclist’s own negligence was the cause of the collision. And even if the Dutch driver can successfully rebut the presumption of liability, the driver’s insurance is still required to pay the cyclist’s medical bills.[/B]
http://bicycling.com/blogs/roadrights/2009/06/22/why-we-need-cycling-insurance/
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Not so much a fail but an awesome bit of pointless prankery that took in a lot of people: The guy who sits next to me at work posted on the Crystal Palace website 6 weeks ago, the day after they went into administration, a totally fabricated "rumour" that local "eccentic" (ex-boxer, nutter and failed mayoral candidate) Winston McKenzie was heading up a consortium including Reggae Reggae sauce ex-crim' Levi Roots and that dim twat of Dragon's Den, planning to buy Palace.
Not only did many on the forum believe it, but the rumour spread and when Winston was eventually approached about it (being insane) he confirmed the rumour! The following week, the story ran complete with quotes from rapping mayorial loser Mckenzie in a local paper. Today it ran as the full back page in the Croydon Advertiser... I believe it's now expanded to include P-Diddy in some form and was mentioned in the national press yesterday.
He's finally cracked under pressure (calls from the paper etc) and come clean. We spent all morning trying to take "anonymous" photos to be used in his "pranksetr comes clean" interview too. Ah well.
Brilliantly people are now arguing with him, claiming it IS true and threatening to ban him from the website.
Funny while it lasted.
This should be emailed to Nick Davies and his Flat Earth News.
http://www.flatearthnews.net/blog -
Filled it out, but wasn't sure about the design of it. All those questions which start 'I always'. There is very little that I *always *do when cycling. I don't always RLJ, but don't always wait either. And also, I would have thought passing on the offside of a lorry is safer than the near side, but there wasn't a separate option...
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I've found out via a leaflet that my ward is one of the 117 swing wards that the tories are specifically targeting. They even state that if they just secure these 117 wards that they win the election with a solid majority. This explains the full colour leaflets every week for the past several weeks. I'm going to be inundated, I just know it.
It also means that they don't give a fuck about the rest of you suckers ;)
Glossy leaflets, paid for by Lord Ashcroft out of money he keeps offshore. He would like to change laws in this country despite not paying tax in this country. -
I've never really got the whole 'Labour have just been really shit, haven't they' argument. It just seems that people have got really high expectations, and because they're not met, Labour must be shit. Growing up in the 1980s and early 1990s there were some things I didn't think would ever happen. Things like the minimum wage, devolution, reform of the house of lords and the human rights act would have been unthinkable under the Tories (in fact they want to scrap the HR act).
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apologies if British Cycling insurance has been covered already, there are quite a few insurance threads, but this seems to be the fullest. Wondering if anyone's covered with BC and what the experience is like, is it worth it etc? I've got a silver membership + racing license already. I'll be riding once or twice abroad this year.
thanks for any help.. -
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you see where the spring tension adjust screws push on the end of the springs? try and unhook the spring from there and physically bend it to increase the tension on one side (the side that's rubbing).
This is what worked in the end. I took the cantilever body off the boss, left the spring attached to one of the tension holes, and pushed down a bit on the bit that attaches to the body. The main cable is now pretty much vertical. Cheers, -
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cheers,
I'm using tektro cr520s
I think they might be at slightly different levels, actually. DIdn't know you could adjust the distance from the canti body.They're the springs that came with the brakes, so I assumed that they'd be the same weights. Oh, and they're both in the same hole on the bosses (the tightest one). This is also a Pompino, incidentally.
Anyway, cheers for the help. I'll have a proper look later and see if I can improve things.
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OK, there doesn't appear to be a thread on this specific topic, and I've read park tool etc loads of times looking for the answer to this.
When I set up my cantilever brakes I always end up with the main brake cable going towards one side in order to counter the tendency of one of the brake blocks to rub against the rim. I've tried playing with the spring tension adjusters on both sides but this doesn't make any noticeable difference. Also, even when I do manage to get them so that there's no rubbing on the rim, after a few minutes riding they manage to change position and start rubbing again.
At the moment I'm not using a barrel adjuster, so I'll play around with that to see if it makes any difference (but it should be possible to get them OKish without one). Also, I'm considering getting a 4th hand tool.
The wheel is centred in the drop outs and is fairly true. It just seems that one of the spring on one side is stronger than the other, and there's nothing I can do to correct the tension. I'm going to take it all off,clean, regrease and reassemble. But if anyone's got any suggestions that would be fantastic.
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unbelievable, there is clear footage of him being a psychopath. And he claims he feared for his safety and was isolated from his fellow officers, when they are all around him...
http://news.bbc.co.uk/1/hi/england/london/8597217.stm