Bike maintenance for dummies.
101 watchers
May 2017
12:43pm, 16 May 2017
131 posts
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wildebeast
Never mind all of this cassette changing im struggling with changing inner tubes on my road bike , mountain bike no probs but on the road bike either there is some beading sticking out over the rim or I get a bulge in the tyre. What am I doing wrong knowledgable peeps ? |
May 2017
3:51pm, 16 May 2017
952 posts
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Tonybv9
Shanksi, just get a 39 inner chainring.
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May 2017
3:55pm, 16 May 2017
953 posts
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Tonybv9
These make refitting tyres to a road wheel MUCH easier. I've been cycling for 20+ years, and I use them all the time: sjscycles.co.uk They make it easier to pull those last few inches of bead over the rim, without breaking your thumbs or losing skin. |
May 2017
9:19pm, 17 May 2017
18,751 posts
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Stepford Wife
52-42 is pretty steep especially with a 25 on the back. Changing to a compact on the front (50-34) would make things much easier. And it's the length of mech rather than the hanger you need to consider. What speed is it? Wildebeast - you've got much less room in the road tyre so you really need to tuck everything in tight. Get the tyre on, inflate a little, then have a look and make sure everything is tucked in. Then inflate again. Keep checking until you are sure everything is where it should be. |
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May 2017
11:40am, 30 May 2017
885 posts
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mbln
I've just tried to service the brakes on the boys Frog bike, and on trying to unscrew the second front brake arm, the post unscrewed from the fork...  Ive tried holding it with a mole grip to undo the bolt, but it just strips the cheap steel/alloy away and spins. I can get it back in the fork, but the brake arm still need cleaning/greasing and is now really out of balance with the other side. Can you buy the posts? If so what would you call them? |
May 2017
12:42pm, 30 May 2017
2,098 posts
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larkim
I've found Frog to be very responsive when they get customer queries like that. Which Frog bike is it, and what type of brake? |
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May 2017
1:59pm, 30 May 2017
886 posts
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mbln
Good plan Larkim, don't know why I didn't think of that. It's a '62' from what I can see on the frame, v brake. |
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May 2017
2:01pm, 30 May 2017
887 posts
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mbln
I see they've done an 'Isla' and become ferociously expensive, think I paid less than £180 for the 62 a few years ago, now £300 :O
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May 2017
2:08pm, 30 May 2017
2,104 posts
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larkim
One of my son's rides a 62, well worth even the £270 we paid for it as he really benefits from the light weight. Had to put wider bars on it though as it was too twitchy for him (he has a learning disability so a slower response is better for him!). I can't quite work out which bit of the brake you're referring to, I'll make a note to take a look tonight on mine. I presume you're not thinking that you've stripped the thread in the fork, are you? If so, that would be a helicoil or a new thread tapping required. I don't know if this article would help - sheldonbrown.com |
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May 2017
2:29pm, 30 May 2017
888 posts
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mbln
The picture under 'spring adjustment' shows it best I suppose. Where the brake arm attaches to the frame, there is a brazed on 'nut' into which the post that the brake arm pivots on screws. The arm is held in place with the outer hex bolt. Loosening the hex bolt, has removed the post from the brazed on nut, however I can't grip the post sufficiently well to remove the hex bolt. Hope that makes sense |
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