Ask a Bicycle Question - Part 5

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erwinrommel

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LesterQ said:
It is a rebadged what. Haha. I don't see any differences.

But its quite good in the sense that it's 'upgraded'.
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I cannot tahan front handlepost that is telescopic.

When i lean forward to climb slopes, it will flex.
 
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de5ert

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Cryogenist said:
Fly12 not out yet.
I am one of the Kickstarter backer.

Right now they met up with some technical issue, so delivery was push back to after CNY.
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Same same. Me too
Sadisticnoob said:
Now that my mini velo is complete
The next stop is sub 7kg road bike, eta to be done by end of year

Sent from Asus ASUS_T00P using GAGT
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Ur merida not sub 7kg ma?
Or u mean everything in like bottle cage pedal etc etc still sub 7kg

Sent from Samsung SM-G900F using GAGT
 
Albedo

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Albedo said:
My chain is the newest or latest stuff i got. Didn't have this problem when i changed, the clunking sound only came like 2/3 months after the new chain.

I checked my chainring and cassette. Both are stock, so they are like nearly 4 years and just above 2k km. The teeth on both looked alright but there are some which are really sharp. Later i GPGT.
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I took some pics of the teeth of my chainring and cassette. Do they look OK or need replacing?
Some of the teeth at the cassette looks beveled but i wonder if this was the original design in the first place.

KiQ6xjO.jpg

Supposed to be so sharp?

2sUfVvD.jpg

Another sharp one i found.

cAvJDu6.jpg


kIb4fOu.jpg


TIA!
 
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azz909

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Hard to say from pic. But look ok. Like I said previously, although I found the problem to be cassette but I can't see any obvious bent or damages. Just to confirm, when you start pedaling the clunking noise happen and your pedal skipped abit right?

I just recalled how I suspect could be the cassette: The chain skipping happened somewhere at the smaller cogs. When I shifted to bigger cogs everything was smooth. To make the troubleshooting more difficult, the skipping occurred only when I was pedaling. If dismount and use hand to move the pedal no skipping. Maybe you can try too, play around with different speed (front and rear) and see which caused the noise.
 
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Albedo

Albedo

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azz909 said:
Hard to say from pic. But look ok. Like I said previously, although I found the problem to be cassette but I can't see any obvious bent or damages. Just to confirm, when you start pedaling the clunking noise happen and your pedal skipped abit right?

I just recalled how I suspect could be the cassette: The chain skipping happened somewhere at the smaller cogs. When I shifted to bigger cogs everything was smooth. To make the troubleshooting more difficult, the skipping occurred only when I was pedaling. If dismount and use hand to move the pedal no skipping. Maybe you can try too, play around with different speed (front and rear) and see which caused the noise.
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Yes, the sound only come when i pushed down hard. During normal effort there is no such sound.
Yap, will try that out after i get back my wheel. Today sending it for truing first.

rarenick said:
Possible to just buy a cog to replace? If 1st hand don't have, maybe buy a 2nd hand full cassette n slowly change each cog as it wears?
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This is also an idea. Thanks!
 
Sadisticnoob

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dont think your cassette and cogs are the problems, like i said earlier, its damn hard to wear them out.

the reasons why your cogs are unevenly shaped is to aid shifting.
 
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sounds more like an alignment issue then an issue with the cassette or chainring, or perhaps your RD hang is slightly bent.
 
Albedo

Albedo

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Sadisticnoob said:
dont think your cassette and cogs are the problems, like i said earlier, its damn hard to wear them out.

the reasons why your cogs are unevenly shaped is to aid shifting.
Click to expand...

VD said:
sounds more like an alignment issue then an issue with the cassette or chainring, or perhaps your RD hang is slightly bent.
Click to expand...

I will monitor the problem first, will need to see which cog I am in whenever I hear the sound. Maybe will narrow down the problem source. Just hope its not serious and won't develop into something serious. Thanks guys...

Sent from the right side of my brain because I will never be caught using GAGT
 
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