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If you push the bead down into the centre of the rim then you can normally get a bit more slack on the tyre. Then you have to try stretching the tyre round the rim without letting it slip. Which is a lot easier said than done. Should go on then, but some rim / tyre combos are a complete pig. It is normally possible to take clinchers off in the same way. push the bead into the centre, stretch it round the rim then pull it off like its a really really stubbornly glued on tub.
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hijacking the topic, it's perfectly fine to put a 5 speed block on an 130mm rear spacing? I'm building a bike up for my dad, and decided to have 1 chainring and 5 speed rear as he never change gear on the front.
If you can find a 5spd cassette that fits on a 130mm hub then yes it should work i think. However I think most 5/6spd stuff is all based on a screw on freewheel/cassette, so it might be hard to find a cassette suitable for a 130mm hub freehub
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If you dont have the shifters then depending on the chainring you might want to run 8spd or 9spd. 10spd would work too on the wheel but its all more expensive and tbh i notice very little difference between 9/10spd bikes. Just need to check what width chain the chainset is meant to take. If it is 9spd then a 9spd system will work better, I've found that using a 9spd chainring on a 3/32 set up (7/8 spd) with no front derailleur has a tendency to drop the chain off the chainring a lot. A dog fang will help a fair bit. Or get an old non working front derailleur and set the limit screw really tight so it acts as a chain device.
Something like this would be a fairly reasonable cassette http://cgi.ebay.co.uk/Shimano-HG50-8-Speed-Road-Bike-Cassette-12-25-NEW_W0QQitemZ360138725508QQcmdZViewItemQQptZUK_sportsleisure_cycling_bikeparts_SR?hash=item360138725508&_trksid=p3286.c0.m14&_trkparms=72%3A1688%7C66%3A2%7C65%3A12%7C39%3A1%7C240%3A1318
If you get a bigger range one - like for a mtb make sure the rear mech you get can cope with the teeth range. I think this is okay on a single ring set up, but more of a problem on a double. -
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I have a couple of road bikes, one has a compact chainset on it, 50t and 34t rings, the 34 is completely useless IMO, used to ride with a 12-26 cassette on it and would be fine for getting up pretty much anything with that (on the 50t ring). Have recently changed the cassette to a 11-21 though for tighter ratios. Other road bike is 53/39 and 12-25 cassette, spends the majority of its life in the big ring too.
Fixed ratio is 47-17 so 72.3giYou would possibly be fine with the 52t ring but depending on cassette size used it might be better to switch the front ring to something in the 47-50t range
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Similar to - http://www.bmeres.com/c-thruframe.htm



Not too keen on it, although I wonder what the aerodynamics are like on it? Most probably heavier than a standard Carbon frame though.Frames are reputed to be incredibly light. approx 6-700g for the frame (minus headset seat clamp etc). The best of the current normal carbon frames are somewhere between 900-1000g so it is quite an achievement. They are pretty odd to look at though and I bet an absolute pig to keep clean.
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I quite fancy trying different lacing patterns...how do you find spoke lengths for something like that - the length calcs i've seen just do 2x / 3x etc??
Sheldon has a link on his site to one about cool lacing patterns. For hybrid crows foot you need radial length spokes and 2x. Normal crows foot radial and either 2x or 3x depending on build
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Just looked into prices and its cheaper to do a new shimano hub and wheel build than buy the free hub body!!
Man there are times when living in Brasil has it's downfalls......It often ends up like that though - the spare parts are stupidly expensive. Had to replace the freehub on a pair of shimano rh550s. £30 which i thought was ridiculous considering the whole wheelset is only about £100 or so.
Have also had to shell out £70 for a campag freehub body for a pair of dt-swiss240s, its only a bit of machined aluminium with some cartridge bearings inside. -
You get different grades and hardnesses too. The grade refers to how round they are. The smaller the number the better. Have bought from http://simplybearings.co.uk/shop/ before. The ones on ebay typically are grade 100 or above - so okay for some stuff. Campag specify grade 25 or better for their components and fully through hardened.
Also you shouldn't mix and match ball bearing batches, so if you buy some new ones dont mix them with your olds ones. You could take any remaining ball bearings into a bike shop and they could tell you what size they are. Or see if there are any hints on sheldon. -
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to remain unaccountable?... the " golden boy" ....
conveniently another has been blamed, I'll tell you this much... he knew EXACTLY what he was doing...
I'd agree with this, but we haven't heard / seen any transcripts from the stewards meeting so it is impossible for us to say if it was Hamilton or Ryan that set them down the path of lying to the stewards. As I posted above I am sure he must have known the consequences of what was said and what it would mean. But if Ryan spoke first then you can see why Hamilton might have been confused about what to say. Ultimately he made the wrong descison, was outed for it (although has been protected somewhat), and now has to deal with the consequences.
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" he was told to lie "
Much as i like Hamilton, I am sure he knew that the half truths would mean a penalty for Trulli. Yes he might have regained his 3rd place, but if he had been entirely truthful then you have to hope the stewards would have awarded him 3rd and Trulli 4th. Maybe he was led astray but if he had jumped into the brink so to speak and said exactly what happened then the team guy would have had to follow him
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getting a bit sick of the title being decided in the law courts
is formula 1 now just a slush fund for overpaid laywers ?
MUPPETS
But it has always been like this. It is just that the controversy wasn't so well publicized in the past. It normally takes some interesting interpretation of the rules to try and achieve the fastest car possible. water ballast systems and ground effect cars being two things that were developed and subsequently banned.
If the decision had gone the other way, then I am sure there would have been people claiming that the FIA were biased in favour of Ferrari et al, that they didnt want to see these teams which were uncompetitive in previous seasons suddenly being the front runners and the old form teams struggling to keep up. You can't please everyone, but it seems that Brawn, Toyota and Williams have come up with a neat solution to what the rules state
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