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Search: Posts Made By: jgwilliams
Showing results 1 to 50 of 534
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07-24-20, 04:14 AM
Replies: 183
Views: 7,949
Posted By jgwilliams

There are plenty of very highly qualified people...

There are plenty of very highly qualified people who have kissed goodbye to scientific method. This is particularly true in the drugs industry where there's a lot of money at stake.
07-20-20, 10:27 AM
Replies: 9
Views: 234
Posted By jgwilliams

I think I can guess what's happened. It's the...

I think I can guess what's happened. It's the stem that holds everything tight but you have to do everything in the right order. If the new stem is not as tall as the old one then you'll need some...
07-17-20, 10:42 AM
Replies: 9
Views: 249
Posted By jgwilliams

I've got a friend who did that but he spent some...

I've got a friend who did that but he spent some serious money. There are two tricks he used to make his life much easier. He had hydraulic disc brakes and managed to get some sort of union or...
07-17-20, 10:29 AM
Replies: 22
Views: 934
Posted By jgwilliams

A friend of mine told me that the bikes for the...

A friend of mine told me that the bikes for the London bike hire scheme ('Boris' bikes) were made by a Canadian company. I think it was Devinci but I couldn't swear to it.
07-17-20, 10:22 AM
Replies: 24
Views: 1,221
Posted By jgwilliams

One thing that people rarely mention when...

One thing that people rarely mention when choosing between mountain/hybrid/road bikes is the hand position. Having ridden road bikes all my life I find road bars way more comfortable than straight...
07-07-20, 10:10 AM
Replies: 71
Views: 2,105
Posted By jgwilliams

Don't forget that SRAM's 12-speed groupsets...

Don't forget that SRAM's 12-speed groupsets expect you to use a smaller chainset so their 10-26 cassette, which has 1-tooth jumps from 10 up to 17, is probably equivalent.

I'd be curious to know...
07-06-20, 07:07 AM
Replies: 11
Views: 513
Posted By jgwilliams

Very interesting. My degree course was over 40...

Very interesting. My degree course was over 40 years ago now so I'm a bit out of touch. I have to point out, though, that I'm British and to us 'early 1900's' is merely old, not antique. ;) I have a...
07-03-20, 09:50 AM
Replies: 11
Views: 513
Posted By jgwilliams

Oooooh! A chance to dig up a bit of my old...

Oooooh! A chance to dig up a bit of my old knowledge from the years I spent studying metallurgy (and which I've never used since).

The magnetic element of steel is a crystal called martensite....
06-26-20, 01:41 AM
Replies: 21
Views: 725
Posted By jgwilliams

Have you looked at their web site. That's how I...

Have you looked at their web site. That's how I got mine when our local store didn't have them - and the postage was free.
06-25-20, 03:19 AM
Replies: 21
Views: 725
Posted By jgwilliams

Curious about the 'besides Aldi's'? I have one of...

Curious about the 'besides Aldi's'? I have one of their stands and it's working out fine for me. I'm sure it won't last as long as a good one from Park tools but I don't use it that often so I...
06-25-20, 03:07 AM
Replies: 14
Views: 274
Posted By jgwilliams

I'm with the others on this - be very careful...

I'm with the others on this - be very careful about buying a used fork. Having said that I did manage to get a Manitou one recently that's worked out ok, but I paid very little money for it.

On...
06-25-20, 01:43 AM
Replies: 24
Views: 1,047
Posted By jgwilliams

There's no straightforward answer to this. My...

There's no straightforward answer to this. My previous regular commute had a Campy 9-speed groupset and I found that the chain lasted me about 10,000 miles. My new commute came with SRAM Force 11...
06-23-20, 04:01 AM
Replies: 56
Views: 1,999
Posted By jgwilliams

For me 112 miles is a challenge on ordinary...

For me 112 miles is a challenge on ordinary roads! I have a work colleague who's done it three times. The third time he was in the process of moving his family to Northern Ireland and bare got to do...
06-23-20, 03:33 AM
Replies: 22
Views: 654
Posted By jgwilliams

It's tricky. I find that if you loosen the bolt,...

It's tricky. I find that if you loosen the bolt, centre the brakes and then tighten the bold that action tends to pull the brakes off centre. Try and hold the callipers as you tighten to prevent this...
06-23-20, 03:22 AM
Replies: 10
Views: 535
Posted By jgwilliams

Probably correct. In dry weather you can get a...

Probably correct. In dry weather you can get a lot of dust, depending where you are, which can also build up a thick layer of gunk in time.
06-23-20, 03:21 AM
Replies: 66
Views: 2,819
Posted By jgwilliams

Interesting question. The problem is just because...

Interesting question. The problem is just because something has a fancy name it doesn't mean it isn't a completely natural product. One classic example is that the first ingredient on my pot of Assos...
06-23-20, 03:13 AM
Replies: 56
Views: 1,999
Posted By jgwilliams

First of all, lucky you living in such a...

First of all, lucky you living in such a stunningly beautiful part of the country. My daughter lives in an area of Scotland that certainly rivals the Lake District but is far less accessible (for me,...
06-19-20, 09:40 AM
Replies: 10
Views: 394
Posted By jgwilliams

Theoretically drilling a hole at the end of the...

Theoretically drilling a hole at the end of the crack will stop it spreading. I'm not sure I'd want that on my bike, though.
06-19-20, 09:26 AM
Replies: 14
Views: 687
Posted By jgwilliams

Yes, I'm missing it at the moment. Had a crash...

Yes, I'm missing it at the moment. Had a crash about a month ago and seriously messed up my clavicle. It's now got a titanium plate screwed to it (I'm sure a carbon one would have been better!) and I...
06-19-20, 02:48 AM
Replies: 1
Views: 228
Posted By jgwilliams

You'll find a bit about the history of Claud...

You'll find a bit about the history of Claud Butler at this link (http://www.classiclightweights.co.uk/claudbutler.html), which might give you a bit to go on. I gather that frames built after 1957,...
06-17-20, 02:56 AM
Replies: 10
Views: 371
Posted By jgwilliams

Interesting thread. I'd just always accepted that...

Interesting thread. I'd just always accepted that chain rub was a thing until I got my new bike with SRAM Force groupset. The front derailleur rotates slightly as it moves from large to small to help...
06-16-20, 07:23 AM
Replies: 16
Views: 526
Posted By jgwilliams

Agreed, the Xenon shifters are poor. I had to get...

Agreed, the Xenon shifters are poor. I had to get some as it was all that would work with my 9spd groupset when my 20 year old shifters broke but they definitely built down to a price.
06-16-20, 07:12 AM
Replies: 85
Views: 5,497
Posted By jgwilliams

No idea how much a custom steel frame costs these...

No idea how much a custom steel frame costs these days. If you're on a budget you could do worse than a Holdsworth Competition (https://www.planetx.co.uk/i/q/FTHOCO/holdsworth-competition-frameset)...
06-09-20, 09:06 AM
Replies: 20
Views: 625
Posted By jgwilliams

Ideally you should use the correct valve for the...

Ideally you should use the correct valve for the hole in the rim. Schraeder valves have a bigger diameter than presta which could, in theory, cause a puncture. However, given that tyre pressures on...
06-09-20, 01:42 AM
Replies: 25
Views: 1,067
Posted By jgwilliams

I have a Fabric Scoop and a Fabric Line and find...

I have a Fabric Scoop and a Fabric Line and find them both excellent. I think I prefer the Line. My previous favourite was a Fizic Arione, which is quite an expensive saddle. If that hadn't snapped...
06-05-20, 10:06 AM
Replies: 2
Views: 126
Posted By jgwilliams

Are you certain it isn't normal? The left-hand...

Are you certain it isn't normal? The left-hand shifter on my Force 22 groupset definitely makes a louder 'clunk' than the right-hand one. I always assumed it was natural due to the fact that the...
06-01-20, 02:14 AM
Replies: 40
Views: 947
Posted By jgwilliams

You obviously aren't getting enough punctures. I...

You obviously aren't getting enough punctures. I suggest you go out and get some more to even things out.

Actually, I'm pretty sure that you can get the tubes of cement by themselves. Also, I'm...
05-18-20, 02:32 AM
Replies: 5
Views: 211
Posted By jgwilliams

Yes, I had this on my Ksyriums. You can't just...

Yes, I had this on my Ksyriums. You can't just dribble oil in either, it needs to be serviced.
05-18-20, 02:30 AM
Replies: 15
Views: 597
Posted By jgwilliams

Yup. SRAM use a chain like that on their 12-speed...

Yup. SRAM use a chain like that on their 12-speed Etap group set.
05-11-20, 03:26 AM
Replies: 24
Views: 636
Posted By jgwilliams

I'd say 79pmooney has the answer. Pitch is...

I'd say 79pmooney has the answer. Pitch is standard so it ain't that.
05-05-20, 07:22 AM
Replies: 23
Views: 998
Posted By jgwilliams

Yup, that's a pretty crankset.

Yup, that's a pretty crankset.
05-05-20, 03:18 AM
Replies: 18
Views: 801
Posted By jgwilliams

53/39 was pretty typical for a 9-speed bike where...

53/39 was pretty typical for a 9-speed bike where the top gear on the cassette was typically 13 teeth. Now that we have 11-tooth cassettes the size of the chainset has similarly got smaller. SRAM AXS...
05-05-20, 03:02 AM
Replies: 13
Views: 438
Posted By jgwilliams

I'd agree that for that bike I'd be inclined to...

I'd agree that for that bike I'd be inclined to go with Campy, but what's wrong with SRAM? Personally I'm very happy with it.
05-05-20, 02:54 AM
Replies: 23
Views: 998
Posted By jgwilliams

My answer would be 'absolutely' on the basis that...

My answer would be 'absolutely' on the basis that I find the Shimano cranksets hideous. None of them are exactly pretty nowadays, sadly, but I think my SRAM Force crankset is much better looking than...
04-30-20, 02:42 AM
Replies: 13
Views: 694
Posted By jgwilliams

You could look at PlanetX - they do a few Ti...

You could look at PlanetX - they do a few Ti frames. I don't know how they compare on quality though they look pretty good from the pictures. I've been very pleased with my Carbon Pro Evo bike. The...
04-29-20, 01:58 AM
Replies: 79
Views: 4,725
Posted By jgwilliams

Never had them myself but are the bosses not in...

Never had them myself but are the bosses not in the same position as for vee brakes?
04-22-20, 06:26 AM
Replies: 33
Views: 1,064
Posted By jgwilliams

I've not used that tool but I do have an X-Tools...

I've not used that tool but I do have an X-Tools torque wrench set and it appears to be a very solidly built piece of kit for the money.
04-22-20, 03:13 AM
Replies: 19
Views: 619
Posted By jgwilliams

I'm going to give you a typical non-answer which...

I'm going to give you a typical non-answer which is: only you can know what works for you so you won't know unless you try it.

Having said that, I am also someone who likes my gears fairly close...
04-22-20, 02:13 AM
Replies: 198
Views: 11,127
Posted By jgwilliams

I, too, was in school when we started switching...

I, too, was in school when we started switching to metric so I'm pretty comfortable with either. I don't what Canadian currency was like but I'll bet you didn't have to cope with a stupid system...
04-22-20, 01:44 AM
Replies: 54
Views: 3,380
Posted By jgwilliams

I agree. Not being familiar with that road design...

I agree. Not being familiar with that road design it's hard to interpret the pictures but surely he must have hit the fence from the railway line side or the fence would be down the other way.
04-21-20, 08:42 AM
Replies: 7
Views: 372
Posted By jgwilliams

As an aside, when you do get it assembled you can...

As an aside, when you do get it assembled you can raise the handlebars a little by turning the stem the other way up. You can see it's angled slightly rather than being at a right-angle to the stem....
04-21-20, 01:56 AM
Replies: 12
Views: 728
Posted By jgwilliams

Except it's a heron.

Except it's a heron.
04-17-20, 02:23 AM
Replies: 61
Views: 3,451
Posted By jgwilliams

Whilst this is true you'd probably have to drill...

Whilst this is true you'd probably have to drill out the valve hole in the rim somewhat to get the valve through.

If you think Presta valves are bad you've obviously never encountered the Dunlop...
04-16-20, 10:30 AM
Replies: 3
Views: 165
Posted By jgwilliams

For parts like that eBay is probably your best...

For parts like that eBay is probably your best bet. I found a couple for sale over here - I was quite shocked at the price, though.
04-16-20, 02:51 AM
Replies: 11
Views: 353
Posted By jgwilliams

That would suggest to me that it's the bearing in...

That would suggest to me that it's the bearing in the freehub that's sounding a bit rough.
04-15-20, 02:00 AM
Replies: 8
Views: 277
Posted By jgwilliams

Thanks, that's what I was looking for.

Thanks, that's what I was looking for.
04-15-20, 01:45 AM
Replies: 5
Views: 296
Posted By jgwilliams

My bike is matte black with glossy black decals....

My bike is matte black with glossy black decals. I was going to buy a special cleaner for matte surfaces but we happened to have some antibacterial surface cleaner...
04-14-20, 09:55 AM
Replies: 8
Views: 277
Posted By jgwilliams

Thanks, but I'm in the UK.

Thanks, but I'm in the UK.
04-14-20, 04:01 AM
Replies: 8
Views: 277
Posted By jgwilliams

Shimano 9-speed MTB cassette

A couple of years ago I bought a used Giant XTC 4 mountain bike. On the whole this is in pretty nice condition and very adequate for me, given that most of my riding is on a road bike. However, given...
04-07-20, 10:37 AM
Replies: 9
Views: 222
Posted By jgwilliams

I think you'll find that they don't need rim tape...

I think you'll find that they don't need rim tape at all. Certainly my Ksyrium rims didn't.
Showing results 1 to 50 of 534
 


 
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