Search found 2225 matches

by Samuel D
20 Sep 2018, 11:30am
Forum: Bikes & Bits – Technical section
Topic: Wheel-building – replacing a hub
Replies: 20
Views: 570

Re: Wheel-building – replacing a hub

Ha! Spokes nipples are minor miracles of the industrial age. How can things so intricate and precisely made (where it matters) cost so little? Iron Age people would have treated these things with the respect they deserve.
by Samuel D
20 Sep 2018, 10:37am
Forum: Bikes & Bits – Technical section
Topic: Wheel-building – replacing a hub
Replies: 20
Views: 570

Re: Wheel-building – replacing a hub

7) clean the nipples; e.g. put the nipples into a small sealed container ( a 35mm film container used to be handy for this), give them a generous squirt of GT85, and then give the container a good shake. Usually the nipples come out looking like new, if the plating is still intact. Thirty seconds o...
by Samuel D
20 Sep 2018, 9:02am
Forum: Bikes & Bits – Technical section
Topic: worn rims; why you should be concerned and when you should be worried
Replies: 14
Views: 677

Re: worn rims; why you should be concerned and when you should be worried

Perhaps then it would suffice to put a calliper around the outside of the rim to measure its width: start worrying when it significantly (?) increases under the 40% overpressure test. This would avoid you having to remove the tyre to measure the wall thickness.
by Samuel D
19 Sep 2018, 5:22pm
Forum: Bikes & Bits – Technical section
Topic: Wheel-building – replacing a hub
Replies: 20
Views: 570

Re: Wheel-building – replacing a hub

P.S I had to buy 11 speed (5800) as I couldn't find 5700 now in 32 hole versions. I looked long and hard without success for a silver, 36-hole, FH-5700 before I needed it, knowing that I would eventually want it, because I don’t want an 11-speed hub (with the right flange farther inboard) for my 8-...
by Samuel D
19 Sep 2018, 9:59am
Forum: Bikes & Bits – Technical section
Topic: Wheel-building – replacing a hub
Replies: 20
Views: 570

Re: Wheel-building – replacing a hub

So only the old spokes and nipples get wasted. But why waste even those if they’re good? That is, if you can find a replacement hub of approximately the same dimensions so don’t need to. I confess this is my own rear wheel this time. It’s a Shimano 105 FH-5700 hub. For several months there has been...
by Samuel D
18 Sep 2018, 9:53pm
Forum: Bikes & Bits – Technical section
Topic: Wheel-building – replacing a hub
Replies: 20
Views: 570

Wheel-building – replacing a hub

I wish to replace the (ruined) hub of a rear wheel with an identical new hub. Are there any gotchas or shortcuts I should be aware of? For example, when replacing a rim, it’s possible to tape the new rim to the old one and swap the spokes over one by one to avoid lacing from scratch. Thought I’d ask...
by Samuel D
18 Sep 2018, 9:50pm
Forum: Bikes & Bits – Technical section
Topic: Unlaced spokes before removing sprocket; now can’t rebuild wheel
Replies: 20
Views: 1280

Re: Unlaced spokes before removing sprocket; now can’t rebuild wheel

For the record and the curious, I solved this problem in the end with a borrowed heat gun after a hairdryer and a cigarette lighter failed to generate enough heat to do the trick. The sprocket was indeed held firm with Loctite.
by Samuel D
11 Sep 2018, 10:13pm
Forum: Does anyone know … ?
Topic: Brooks Cambium saddles, is there a weight limit?
Replies: 45
Views: 2606

Re: Brooks Cambium saddles, is there a weight limit?

I would just about consider a leather saddle, but most of them are, as slowster notes, expensive. They’re also not a great choice for riding without mudguards, which I do a lot. Think I’ll try one of the saddles Brucey mentioned first in case they work for me. Otherwise I may look into the impenetra...
by Samuel D
11 Sep 2018, 3:23pm
Forum: Bikes & Bits – Technical section
Topic: Chris Juden's talk at the 2017 York Rally
Replies: 88
Views: 3881

Re: Chris Juden's talk at the 2017 York Rally

Trouble is, most frames don’t have down-tube shifter bosses. Then you’re stuck with bar-end shifters whether you want them or not (I don’t). Do you bang your knees on them? Sometimes, but my main preference is for the simpler cable routing of down-tube shifters. That leads to cleaner looks, cleaner...
by Samuel D
11 Sep 2018, 3:13pm
Forum: Does anyone know … ?
Topic: Brooks Cambium saddles, is there a weight limit?
Replies: 45
Views: 2606

Re: Brooks Cambium saddles, is there a weight limit?

Have you tried a Charge Spoon? A friend lent me a Spoon and a Knife when my Brooks was away getting fixed. They’re both too soft for me, so I ended up with pressure on parts that aren’t made for sitting on. I ride with a lower torso position than most of my companions; maybe that causes some of the...
by Samuel D
11 Sep 2018, 3:03pm
Forum: Does anyone know … ?
Topic: Brooks Cambium saddles, is there a weight limit?
Replies: 45
Views: 2606

Re: Brooks Cambium saddles, is there a weight limit?

Worrying. Did the rail break where mine (including a Rolls) did, exactly where the seat post clamp held it? Yes, at the back of the clamp area: https://imageshack.com/a/img924/853/6k7vKZ.jpg (You may need to click that image to get a larger version to see the crack on the upper rail in the photo; t...
by Samuel D
11 Sep 2018, 2:32pm
Forum: Bikes & Bits – Technical section
Topic: Chris Juden's talk at the 2017 York Rally
Replies: 88
Views: 3881

Re: Chris Juden's talk at the 2017 York Rally

Trouble is, most frames don’t have down-tube shifter bosses. Then you’re stuck with bar-end shifters whether you want them or not (I don’t).
by Samuel D
11 Sep 2018, 2:02pm
Forum: Does anyone know … ?
Topic: Brooks Cambium saddles, is there a weight limit?
Replies: 45
Views: 2606

Re: Brooks Cambium saddles, is there a weight limit?

My C17 has been comfortable and shows no significant wear after a year and a half of frequent use. However, I’m fairly light at 65 kg. The alloy cantle has harmlessly corroded a bit. They’re good saddles that unlike leather ones can be soaked without worry. I take it back! A few months ago the rubb...
by Samuel D
6 Sep 2018, 11:59am
Forum: Bikes & Bits – Technical section
Topic: Oil on rim causes brake to squeal
Replies: 10
Views: 437

Re: Oil on rim causes brake to squeal

I sometimes clean rims with WD-40 since it does a fine job of getting rid of crud. But unless the WD-40 is then cleaned off thoroughly with a solvent or lots of soapy water, the brakes do indeed wail like a banshee. I have guessed it is because the slip-stick cycle is shortened into the audible range.
by Samuel D
6 Sep 2018, 9:39am
Forum: Bikes & Bits – Technical section
Topic: A one piece cycle suit
Replies: 8
Views: 430

Re: A one piece cycle suit

Understood.