Recent Posts

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Transmission / Re: Replace chain
« Last post by Andre Jute on Today at 10:59:10 PM »
Ok, but sometimes when your replace only the chain, an unpleasant noise appears the first hundred kilometers
Then you've left it too long, the wear on the sprocket, and possibly the chainring, is beyond the tolerance of the new chain.  What you're doing, that noise, is premature wear on the new chain till it matches the sprocket.  the economic thing to do in that instance, is to put the old chain back on.  If you're going down the route of swapping chains to preserve other components, you have to frequently measure and not go by mileage.
Riders can do what they choose, but there are two practical options, wear it all out and replace together or replace chains before anything else is worn.  Doing something between those two has no advantage and will cost more in components than either.
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Transmission / Re: Replace chain
« Last post by jul on Today at 05:14:28 PM »
Ok, but sometimes when your replace only the chain, an unpleasant noise appears the first hundred kilometers

How many teeth on your rear sprocket?

16 teeths and 36 in front (Surly stainless steel) but the noise it seems to be coming from the back..
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General Technical / Brooks saddle
« Last post by jul on Today at 05:10:16 PM »
I'm curious to know if a used Brooks saddle have to be replaced by a new one..

If yes, how can we know ?

Mine








Thanks in advance
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Transmission / Re: Replace chain
« Last post by mickeg on Today at 05:08:16 PM »
Ok, but sometimes when your replace only the chain, an unpleasant noise appears the first hundred kilometers

How many teeth on your rear sprocket?
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Transmission / Re: Replace chain
« Last post by jul on Today at 11:41:31 AM »
OK i understand but lmo i don’t want to replace chains every 1000 kms.

I change my chain when the old one is too stretched around 4000 kms
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Non-Thorn Related / Re: The Bone Phone is here. Is it any good for cyclists?
« Last post by PH on Today at 10:45:13 AM »
....I might use BC's for audio route prompts though.

Here's an example from JL

https://www.johnlewis.com/shokz-openmove-bluetooth-wireless-open-ear-headphones-grey/p110575797

Yes, I thought routing instructions might be one use for cyclists.

I don't know anything about the John Lewis item you refer to, but I wouldn't have thought it would be particularly suitable for a cyclist. Mine have a half-loop over the ear to position them positively (photo in my original post) while the one from JL you illustrate looks like backwards cafe-racer sunglasses that will slide off your ears -- also backwards -- at the first sleeping policeman you ride over. More fashion than kinesthetics...
When I was doing cycle couriering/delivery (For 5 years) I used an earlier version of those Shokz, for google routing, job notifications and occasionally phone calls with the client, I'd also listen to audio books or podcasts between jobs. My experience is they work fine, are comfortable and don't move about (There's a photo in the link of someone wearing them) sound quality is OK for basic stuff but quite poor for music, for my use they'd last days and charge quickly.  For google routing, they're best used in conjunction with the map on a handlebar mounted phone, following the spoken instructions and using the map as confirmation, in heavy rain, I'd put the phone in a pocket and rely on the headphones, doable but not as good. The only issue wearing them is possible conflict with glasses, caps, helmet straps... particularly if you forget you're wearing them when removing something else. The price doesn't seem to have gone up, I paid about £70 in 2019, hundreds of hours use and they're still fine.
The should you argument is more complex, they are a distraction, although you can physically hear traffic over the headphones, you hear it less, you are filtering it out.  I've used them a couple of times on long Audax rides, but generally choose not to.
 
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Bikes For Sale / Re: Facebook ad: 969 Thorn Sherpa 485L £350 Newbury
« Last post by Binky on Today at 10:27:19 AM »

If you are the new owner Binky, hope you enjoy!

I am the new owner. I'd discovered the advert whilst researching prices to try and sell a different bike on facebook marketplace, a case of being in the right place at the right time.
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Transmission / Re: Replace chain
« Last post by PH on Today at 10:13:35 AM »
Ok, but sometimes when your replace only the chain, an unpleasant noise appears the first hundred kilometers
Then you've left it too long, the wear on the sprocket, and possibly the chainring, is beyond the tolerance of the new chain.  What you're doing, that noise, is premature wear on the new chain till it matches the sprocket.  the economic thing to do in that instance, is to put the old chain back on.  If you're going down the route of swapping chains to preserve other components, you have to frequently measure and not go by mileage.
Riders can do what they choose, but there are two practical options, wear it all out and replace together or replace chains before anything else is worn.  Doing something between those two has no advantage and will cost more in components than either.
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Transmission / Re: Replace chain
« Last post by jul on Today at 09:11:13 AM »
Ok, but sometimes when your replace only the chain, an unpleasant noise appears the first hundred kilometers
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Non-Thorn Related / Re: The Bone Phone is here. Is it any good for cyclists?
« Last post by in4 on Today at 06:48:33 AM »
Thanks for the useful reply Andre. Ill take a look at yours. The JL ones might be aimed at runners, I dont know. I did try them for sound and the bass was quite shallow. That might be in the nature of BCs though. Thanks again
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