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 Folding Bicycles v2, Dahon, Tern, Java, Oribike, Bromptons

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lightning69
post Dec 5 2013, 11:25 PM

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QUOTE(croomaniac @ Dec 3 2013, 03:37 PM)
What pump?

Your tires are designed to keep air pressure in. What happened when the pressure go down? Just pump in! But then, which pump? RM30, RM50 or RM10?

So i went to search for one. Read it here that it is not advisable to pump at the petrol station right? (my house is just next to Petronas)

So then i bought one. RM25. Its a handy pump. Made in China. And when i reached home, it just can't pump! Up till the pump is hot, the air is just refused to pump in.. Haih.. I think I rugi RM25 already.. The other day i went into another bicycle shop and bought a bigger (but still small) pump made in China (again) but this time is costs me just RM10. The OK ones are more expensive, starts from RM30+, but i guess i wanna try luck with the cheap one first. If this one still failed me, I'll buy the more expensive pump.. And when i reached home, its history. It just works! My RM10 pump works! Took me not more than 5 minutes to pump both tyres!  flex.gif

So moral of the story is that, no matter how much is the cost of one item, its the end result that counts..

Now i can start to cycle again, no excuse for low air pressure.. but it is a rainy season now, hope there is no rain tonight!

My 26" x 1.75 ideally may need 60PSI (rear) and 45PSI (front) but i just pump in by agak2.. hahaha (i dont have air pressure gauge)  tongue.gif
*
I bought this pump from taobao for about RM25. Works awesome and easy to pump. Can pump both types of connection.

giyo pump
danielcmugen
post Dec 5 2013, 11:57 PM

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Is brake wiring the most important part to look out for to ensure bicycle safety? How much does it cost to replace a normal 20" foldie's brake wire?

This post has been edited by danielcmugen: Dec 5 2013, 11:57 PM
Proclaimer
post Dec 6 2013, 12:28 AM

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QUOTE(danielcmugen @ Dec 5 2013, 11:57 PM)
Is brake wiring the most important part to look out for to ensure bicycle safety? How much does it cost to replace a normal 20" foldie's brake wire?
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Generally folding bike brake line do not undergo huge stress unlike mountain bikes.

If it is not severed or damaged, just let it be. If it feels rough, lube the inner wire with lubricant.

Replacing with good brake line such as jagwire would cost you roughly RM100.
danielcmugen
post Dec 6 2013, 12:43 AM

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QUOTE(Proclaimer @ Dec 6 2013, 12:28 AM)
Generally folding bike brake line do not undergo huge stress unlike mountain bikes.

If it is not severed or damaged, just let it be. If it feels rough, lube the inner wire with lubricant.

Replacing with good brake line such as jagwire would cost you roughly RM100.
*
It's a used bike, that's why I'm afraid. Well it feels normal, but I never open it up yet. I heard if it's rusty, it can break and cause brake failure?
Proclaimer
post Dec 6 2013, 01:01 AM

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QUOTE(danielcmugen @ Dec 6 2013, 12:43 AM)
It's a used bike, that's why I'm afraid. Well it feels normal, but I never open it up yet. I heard if it's rusty, it can break and cause brake failure?
*
It could snap if its very very rusty. But that is rarely the case. If you are a hands on person im sure you can remove the cable and have a quick look at it to see any damages on the wire itself.

zeliustitan
post Dec 6 2013, 08:38 AM

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QUOTE(danielcmugen @ Dec 6 2013, 12:43 AM)
It's a used bike, that's why I'm afraid. Well it feels normal, but I never open it up yet. I heard if it's rusty, it can break and cause brake failure?
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Well, if you worry that much, why dont just change it?
etigge
post Dec 6 2013, 10:12 AM

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QUOTE(danielcmugen @ Dec 6 2013, 12:43 AM)
It's a used bike, that's why I'm afraid. Well it feels normal, but I never open it up yet. I heard if it's rusty, it can break and cause brake failure?
*
Come to me lah. I can change both the brake cables AND housing for you for 20 bucks! Add another 20 bucks if you want Jagwires. tongue.gif
croomaniac
post Dec 6 2013, 12:38 PM

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QUOTE(lightning69 @ Dec 5 2013, 11:25 PM)
I bought this pump from taobao for about RM25.  Works awesome and easy to pump.  Can pump both types of connection.

giyo pump
*
I bump into this pump during my 1st visit to hunt for pump, but since it is too small i doubt the pump.. if only i knew it will pump, i definitely buy this.. and the guy quoted me RM30 for this pump..
andythology
post Dec 6 2013, 12:45 PM

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I have this Birzman Zacoo Mini, which it pump effortlessly to 100PSI. No gauge thou.

ape
post Dec 6 2013, 01:24 PM

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QUOTE(etigge @ Dec 6 2013, 10:12 AM)
Come to me lah. I can change both the brake cables AND housing for you for 20 bucks! Add another 20 bucks if you want Jagwires.  tongue.gif
*
cfu wong, my brake pad is touching the rim wall, how to adjust ah?
etigge
post Dec 6 2013, 02:01 PM

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QUOTE(ape @ Dec 6 2013, 01:24 PM)
cfu wong, my brake pad is touching the rim wall, how to adjust ah?
*
That means the spokes and rim are not dished center. You have to adjust the spokes so the rim is adjusted to real center. You can however adjust the tension screws that's on the brake calipers. Release the screw if you want the brake pads to go in and screw tighter if you want the pads to come further out. Balance between both sides, use your judgement. But if the rims are not centered, the brake calipers won't be parallel to the rim as needed by the V-brake calipers for efficient stopping. icon_rolleyes.gif


lightning69
post Dec 6 2013, 03:53 PM

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QUOTE(croomaniac @ Dec 6 2013, 12:38 PM)
I bump into this pump during my 1st visit to hunt for pump, but since it is too small i doubt the pump.. if only i knew it will pump, i definitely buy this.. and the guy quoted me RM30 for this pump..
*
Hahaha...don't judge a book by its cover. I went cycling with my friend yesterday and my friend checked my tyres and say not enough air. I say no problem and took out the small Giyo pump and he say its gonna take forever to pump with it. I told him no lah...very easy to pump. In less than a minute I got the pressure of my tyres up. flex.gif
croomaniac
post Dec 6 2013, 04:18 PM

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Good stuff! thumbup.gif

Just like your friend, i was fooled by it's small size.. whistling.gif
ape
post Dec 6 2013, 06:38 PM

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QUOTE(etigge @ Dec 6 2013, 02:01 PM)
That means the spokes and rim are not dished center. You have to adjust the spokes so the rim is adjusted to real center. You can however adjust the tension screws that's on the brake calipers. Release the screw if you want the brake pads to go in and screw tighter if you want the pads to come further out. Balance between both sides, use your judgement. But if the rims are not centered, the brake calipers won't be parallel to the rim as needed by the V-brake calipers for efficient stopping.  icon_rolleyes.gif
*
Thanks, i have adjusted the tension screw but still cant get it. one side of the brake pad is still touching the rim wall.
ecneret
post Dec 6 2013, 11:23 PM

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yeehaaa !! finally manage to snap magnet & bolt about 90% (vs initially only 5%) biggrin.gif

Attached Image

few fixes done:
a) prob spot: when the handle bar is aligned (parallel) with riders shoulder, the wheel is little bit senget, means bar vs wheel is not in sharp 90 degree. fixed with re-alignment of handle bar.
b) there's an optimum position for handle post while in fold mode. (digging some official photo from tern website + d/l the user manuals helps to find the optimum position)
c) as mbax suggested [ try adjust the handle when it is fold down ]


QUOTE(mbax @ Dec 4 2013, 03:20 PM)
try adjust the handle when it is fold down, my wife eco c7 also have the same problem sometimes cannot snap, due to handle bloack the way..
*
Thanks mbax ! it helps.


QUOTE(zeliustitan @ Dec 4 2013, 08:41 AM)
Perhaps this one of the reasons why i didnt get this bike.. lol..
*
in fact, the bike is nice
in this case, user in-experiences (my 1st foldie tongue.gif ) has to take some blame
also the shop that doesn't able to advise me the optimum position during fold mode + handle bar is not fully aligned when setting up the bikes
shop even trying to justify the magnet issue "it's like that one... normally it's only about 10% snap, nothing much can be done....bla bla..."

This post has been edited by ecneret: Dec 6 2013, 11:29 PM
zeliustitan
post Dec 7 2013, 02:31 PM

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QUOTE(ecneret @ Dec 6 2013, 11:23 PM)
in fact, the bike is nice
in this case, user in-experiences (my 1st foldie  tongue.gif ) has to take some blame
also the shop that doesn't able to advise me the optimum position during fold mode + handle bar is not fully aligned when setting up the bikes
shop even trying to justify the magnet issue "it's like that one... normally it's only about 10% snap, nothing much can be done....bla bla..."
*
C7 indeed nice to ride. Actually almost all the foldie are nice to ride.. It is an individual preference..


X-LaW
post Dec 7 2013, 02:38 PM

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Been RODALINK just now.. Tot to get a vigor P9..


but see see there is a offer on DAHON MU XL.. just bot it for around 2000..
Nv try internal gear hub..
danielcmugen
post Dec 8 2013, 03:31 PM

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I can't seem to pump any air icon_question.gif as it seems like the bicycle pump is not compatible? Or I use wrong method to pump?

This post has been edited by danielcmugen: Dec 8 2013, 03:41 PM


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danielcmugen
post Dec 8 2013, 03:35 PM

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After that I lost the cap for it doh.gif

The above post is how it looks like with the cap, here's how it looks like without.

This post has been edited by danielcmugen: Dec 8 2013, 03:39 PM


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H2D
post Dec 8 2013, 04:00 PM

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QUOTE(danielcmugen @ Dec 8 2013, 03:31 PM)
I can't seem to pump any air icon_question.gif as it seems like the bicycle pump is not compatible? Or I use wrong method to pump?
*
u need the dunlop/woods adapter bro...
some presta adapter can fit... need to check...

user posted image

this is how we used to pump....

http://2.bp.blogspot.com/_lgjkp7t8WGA/SpDv...-h/P1000427.jpg

This post has been edited by H2D: Dec 8 2013, 07:13 PM

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