New Bike - running in issues or not?

New Bike - running in issues or not?

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Discussion

Kiwi79

Original Poster:

902 posts

240 months

Saturday 11th June 2022
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I've just purchased a new Hybrid and have ridden about 10 miles on it (It's a mid range Hybrid. Shimano components)

So far I have been finding the gear changes to be a little clunky/mechanical. It sometimes sounds almost like it is thinking of going for the next gear. I have also noticed that if you are in the top gearing (it's a 1 x 10 setup) and putting the power down but suddenly stop accelerating you get what feels like chain slap (the chain makes contact with the upper side of the chainstay). Is this normal on this type of setup and just one of the downside of tiny rear cog runnign at cross angle with single main chainring?

I did pop back to the bike shop and they said gearing is OK but I note they didn't actually ride it.

Typical on a new bike - just let it bed for more miles or maybe more to it?

Edited by Kiwi79 on Saturday 11th June 16:58

TCX

1,976 posts

61 months

Saturday 11th June 2022
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Check out gcn videos on Utube for limit screw and indexing adjustment, fairly quick n simple fix,gears these days should be super slick,bike shops taking the piss, should've given it quick ride,adjusted it in five minutes

Pickled Piper

6,381 posts

241 months

Sunday 12th June 2022
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Cable housings tend to seat into the end fittings with use on a new bike. This can throw out the indexing. It's a simple adjustment that doesn't require tools to bring it back into line. Just use the thumb wheel adjuster on the rear derailleur, a quarter turn at a time until you hit the sweet spot.

It's up to you if you want to take it back to the shop or do it yourself. It's a skill worth learning as you will probably need to tweak it every few weeks if you are riding regularly. I like the "Park Tools" YouTube videos.

Difficult to comment on the quality of the change and the chain slap. I've found the change action does ease up a little as new components bed in. Also, the rider tends to "learn the bike" and get better at easing the pressure on the pedals when making the change.

Hope this helps. However, if you're not happy, take it back and get the Tech to ride the bike.


Master Bean

3,953 posts

126 months

Sunday 12th June 2022
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You should have a little lever on the rear derailleur. This is the clutch. If it is engaged it keeps the chain tight. You disengage it to remove the back wheel.

Kiwi79

Original Poster:

902 posts

240 months

Sunday 12th June 2022
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Master Bean said:


You should have a little lever on the rear derailleur. This is the clutch. If it is engaged it keeps the chain tight. You disengage it to remove the back wheel.
It doesn't seem to have a clutch looking at it. This is the derailleur specced: https://bike.shimano.com/en-EU/product/component/d... Am I wrong? Is it because it's not MTB or it is built in somehow

Master Bean

3,953 posts

126 months

Monday 13th June 2022
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I get page not found for the link.