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 Folding Bicycles v5 - Not only Folding Bikes, Folding bicycle discussion

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KenC
post Oct 26 2016, 02:04 AM

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QUOTE(azamunekurone @ Oct 25 2016, 11:13 PM)
nice and stylo ken!
u dont need those megarange casette anymore. its time to upgrade to road ratio casette laugh.gif
*
nothing stylo about it, it's all out of necessity, I need 9-10inch hand position raise, BMX stem + BMX handlebar is the only solution. quill that long will be too flimsy…
Also, this 53cm top tube frame is 3cm too short, a slight tilt of the handlebar kow tim, don't have to look for 270mm long quill with 150mm long stem. Two birds with one stone.

My legs are not strong like yours, still need my chap ayam megarange cogset to climb. also, it is great tool for upgrading my lungs.

Will keep them until 1000km or when they break, whichever comes later. Must look at ROI 1st ler. prefer to use that money for a chap ayam hear rate monitor.

This post has been edited by KenC: Oct 26 2016, 02:28 AM
azamunekurone
post Oct 26 2016, 11:45 AM

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hahaha.. i tot u already got that chap ayam heart rate monitor watch before ken. upgrade to meter with heart rate sensor also??
KenC
post Oct 26 2016, 02:44 PM

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QUOTE(azamunekurone @ Oct 26 2016, 11:45 AM)
hahaha.. i tot u already got that chap ayam heart rate monitor watch before ken. upgrade to meter with heart rate sensor also??
*
That HRM I kidnapped.
yes, meter that comes with HRM is one of the things for my outdoor exercise machine... KiaSi ler...
with a HRM, I now know I was always ride about 95% heart rate!!! now I tame down to below 90%. lucky got monitor.
Mr. Z
post Oct 27 2016, 02:53 PM

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Hi guys, after browsing around more, I noticed the Tern Node 24" bikes, which seems more like a bike I would be used to seeing..

Any comments on the frames compared to the verge?

I am not too fond of a small bike.. traditional man like me is too used to seeing and using a regular bike.

Is it possible to upgrade the verge wheelies to a bigger one like 24 - 26 in the future if I wish to do so? Just checking if I could get a 20" first and perhaps upgrade the wheels if i still hate the size of it.

fatani
post Oct 27 2016, 03:48 PM

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anybody use brooks cambium saddle on their foldies?..was wondering how good it is..
etigge
post Oct 27 2016, 05:01 PM

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QUOTE(Mr. Z @ Oct 27 2016, 02:53 PM)
Hi guys, after browsing around more, I noticed the Tern Node 24" bikes, which seems more like a bike I would be used to seeing..

Any comments on the frames compared to the verge?

I am not too fond of a small bike.. traditional man like me is too used to seeing and using a regular bike.

Is it possible to upgrade the verge wheelies to a bigger one like 24 - 26 in the future if I wish to do so? Just checking if I could get a 20" first and perhaps upgrade the wheels if i still hate the size of it.
*
You either get a 20 inch or a 24 inch, no BUTs about that. The 24 inchers are not so popular as folding bikes are meant to be folded smaller for carrying or storing where else a 24 inch is halfway thought for requirements like yours. You want a regular looking bike but wants it to be foldable as well. The biggest wheel a 20 incher foldie is up to 22 inch but still classified as 20 inch. Difference is 406 cm compare to 451 cm in circumference rim bead measurement. Even that , you need to modify the braking systems unless it is a disc brake setup.

I think you should go for a regular 26 inch and not the 24 inch as tire choice is hard. Either that or a 20 inch. What's to hate about the 20 inch anyway? Small........ There are huge 'mat sallehs' riding a Brompton which is even smaller in size, just 16 inch only but more like 18 inch btw. icon_rolleyes.gif Birdys are 18 incher also.
Mr. Z
post Oct 27 2016, 05:19 PM

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QUOTE(etigge @ Oct 27 2016, 05:01 PM)
You either get a 20 inch or a 24 inch, no BUTs about that. The 24 inchers are not so popular as folding bikes are meant to be folded smaller for carrying or storing where else a 24 inch is halfway thought for requirements like yours. You want a regular looking bike but wants it to be foldable as well. The biggest wheel a 20 incher foldie is up to 22 inch but still classified as 20 inch. Difference is 406 cm compare to 451 cm in circumference rim bead measurement. Even that , you need to modify the braking systems unless it is a disc brake setup.

I think you should go for a regular 26 inch and not the 24 inch as tire choice is hard. Either that or a 20 inch. What's to hate about the 20 inch anyway? Small........ There are huge 'mat sallehs' riding a Brompton which is even smaller in size, just 16 inch only but more like 18 inch btw. icon_rolleyes.gif Birdys are 18 incher also.
*
Don't misunderstood me bro, there is nothing to hate about the 20 inches, just that I don't feel all inspired by the size of the wheel on our uneven and awesome meteor rained road
😂

Also, felt that I would need a lot more pedal power to achieve the speed as a bigger bike, think someone posted their venture with big bikes few post ago..


tcb2010
post Oct 27 2016, 05:36 PM

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QUOTE(Mr. Z @ Oct 27 2016, 05:19 PM)
Don't misunderstood me bro, there is nothing to hate about the 20 inches, just that I don't feel all inspired by the size of the wheel on our uneven and awesome meteor rained road
😂

Also, felt that I would need a lot more pedal power to achieve the speed as a bigger bike, think someone posted their venture with big bikes few post ago..
*
Big wheels, no fear of uneven roads, and foldable...I can only think of Montague paratrooper folding mountain bike...but it cost quite a fair bit.
etigge
post Oct 27 2016, 06:45 PM

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QUOTE(Mr. Z @ Oct 27 2016, 05:19 PM)
Don't misunderstood me bro, there is nothing to hate about the 20 inches, just that I don't feel all inspired by the size of the wheel on our uneven and awesome meteor rained road
😂

Also, felt that I would need a lot more pedal power to achieve the speed as a bigger bike, think someone posted their venture with big bikes few post ago..
*
The smaller wheels are easier to pedal actually. Only drawback would most probably be the speed. You can't compare all types similarly , to be honest. Each have their advantages and we choose which is the best for us or rather which suits our life style. In mountain bikes, the biggest chain ring is the 44 teeth and sometimes 42 teeth ( this in the triple chain ring setup, the double chain ring is even smaller at 36 teeth ) and the smallest rear cog is 11 teeth. This is hardest to pedal or needs the most effort. If you put this onto a folding bike, you will be free wheeling on a flat, you don't have enough high gear at all. Why, the wheels circumference is smaller.

Let's put this into a ride at the gear mentioned above. A 26 inch mtb with a 25mm tire circumference is 1913mm while a 20 inch wheel with 25mm tire is 1432mm. Respectively, the gear inches is 104 gear inches (GI) and only 80 GI on the foldie. The smaller the number GI, the easier it is to pedal (pedal effort) so that's why we normally put 53 teeth chainring on a foldie. If we use the 53 teeth chain ring the GI will increase to 96 GI , about the same effort but it is still easier than the mtb.

Let's presume there is a 57 teeth chainring, just to make the GI similar to the mtb, it will be 103.6 GI. OK lah almost the same effort biggrin.gif

So, One turn of the crank on the mtb is 44 divide by 11 cogs at the rear means 4 turns of the wheels. This means one turn will make you travel 4 x 1.93 meters which is 7.72 meters. while on the folding bike it will be 57 divide by 11 cogs , means 5.18 turns multiplied by 1.43 meters which amounts to 7.4 meters. Quite near, right? rclxms.gif Hypothetically, we are pedaling with the same effort and GI. So, the folding bike is NOT slower than an ordinary bike if we set all the gear ratios , tire size equally.

BUT in actual, we never set the folding bike equal due to cost. It can be expensive. Another disadvantage of the smaller wheel is stability on roads, especially going over cobble roads, uneven potholes and fast downhill. As for roadbikes, why are they faster? That's because averagely, the weight of their bikes are less than 10 kgs with some a mere 7 kgs where else an average foldie is 13 kgs. Their tires can go down to 1cm wide but off course so can a foldie. The biggest advantage roadies have is off course the level of their bike's componentry, even the lowest grade component is far better than an average folding bike's components. All this makes road bikes quite effortless to pedal compared to a folding bike and even if we put in the same components as roadbikes, we still lose because we still have to carry an extra few kgs load (the bike itself) and also we cannot out pace them on downhills due to their bigger wheels (roadbike's are almost 29 inch) and also they too use 53 teeth chain rings.

That's why, many folding bike kakis migrated to road bikes because they cannot stand others faster than them and on the other side, many roadies also buy foldies because they are bored with the white line fever. What they see is only the white line of the road and they never notice what's happening beside them while riding. tongue.gif
azamunekurone
post Oct 27 2016, 09:21 PM

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QUOTE(fatani @ Oct 27 2016, 03:48 PM)
anybody use brooks cambium saddle on their foldies?..was wondering how good it is..
*
im using it for nearly 3 years. i like use this saddle when cycling without cycling paded pants..really comfort!

a bit heavy than my selle royal seta, but the weight nearly like stock saddle..compare to my b17, the canbium c15 much lighter.if im not mistaken canbium used synthetic latex that can be bent and adjust according to ur butt.

if u want saddle that comfort without maintainence like b17, canbium would be great!

do remember, canbium are not lightweight unless u buy canbium carbon laugh.gif
Mr. Z
post Oct 28 2016, 03:53 AM

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QUOTE(etigge @ Oct 27 2016, 06:45 PM)
The smaller wheels are easier to pedal actually. Only drawback would most probably be the speed. You can't compare all types similarly , to be honest. Each have their advantages and we choose which is the best for us or rather which suits our life style. In mountain bikes, the biggest chain ring is the 44 teeth and sometimes 42 teeth ( this in the triple chain ring setup, the double chain ring is even smaller at 36 teeth ) and the smallest rear cog is 11 teeth. This is hardest to pedal or needs the most effort. If you put this onto a folding bike, you will be free wheeling on a flat, you don't have enough high gear at all. Why, the wheels circumference is smaller.

Let's put this into a ride at the gear mentioned above. A 26 inch mtb with a 25mm tire circumference is 1913mm while a 20 inch wheel with 25mm tire is 1432mm. Respectively, the gear inches is 104 gear inches (GI) and only 80 GI on the foldie. The smaller the number GI, the easier it is to pedal (pedal effort) so that's why we normally put 53 teeth chainring on a foldie. If we use the 53 teeth chain ring the GI will increase to 96 GI , about the same effort but it is still easier than the mtb.

Let's presume there is a 57 teeth chainring, just to make the GI similar to the mtb, it will be 103.6 GI. OK lah almost the same effort  biggrin.gif

So, One turn of the crank on the mtb is 44 divide by 11 cogs at the rear means 4 turns of the wheels. This means one turn will make you travel 4 x 1.93 meters which is 7.72 meters. while on the folding bike it will be 57 divide by 11 cogs , means 5.18 turns multiplied by 1.43 meters which amounts to 7.4 meters. Quite near, right?  rclxms.gif  Hypothetically, we are pedaling with the same effort and GI. So, the folding bike is NOT slower than an ordinary bike if we set all the gear ratios , tire size equally.

BUT in actual, we never set the folding bike equal due to cost. It can be expensive. Another disadvantage of the smaller wheel is stability on roads, especially going over cobble roads, uneven potholes and fast downhill. As for roadbikes, why are they faster? That's because averagely, the weight of their bikes are less than 10 kgs with some a mere 7 kgs where else an average foldie is 13 kgs. Their tires can go down to 1cm wide but off course so can a foldie. The biggest advantage roadies have is off course the level of their bike's componentry, even the lowest grade component is far better than an average folding bike's components. All this makes road bikes quite effortless to pedal compared to a folding bike and even if we put in the same components as roadbikes, we still lose because we still have to carry an extra few kgs load (the bike itself) and also we cannot out pace them on downhills due to their bigger wheels (roadbike's are almost 29 inch) and also they too use 53 teeth chain rings.

That's why, many folding bike kakis migrated to road bikes because they cannot stand others faster than them and on the other side, many roadies also buy foldies because they are bored with the white line fever. What they see is only the white line of the road and they never notice what's happening beside them while riding.  tongue.gif
*
Whoahh... Thanks sifu for the detailed analytics.. notworthy.gif

Almost drowned in the jargons and calculations..

After reading around abit I m beginning to understand the components of a bike better

If you don't mind, I'm going to pm you to ask you comments on certain bikes in detail, don't wanna upset forumers with too many dumb questions... Thanks

fatani
post Oct 28 2016, 06:38 AM

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QUOTE(Mr. Z @ Oct 28 2016, 02:53 AM)
Whoahh...  Thanks sifu for the detailed analytics..  notworthy.gif

Almost drowned in the jargons and calculations..

After reading around abit I m beginning to understand the components of a bike better

If you don't mind, I'm going to pm you to ask you comments on certain bikes in detail, don't wanna upset forumers with too many dumb questions... Thanks
*
whatever sifu etiguette replied, it also benefits us all.

so, i oso tumpang sekaki.. biggrin.gif
fatani
post Oct 28 2016, 06:50 AM

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QUOTE(azamunekurone @ Oct 27 2016, 08:21 PM)
im using it for nearly 3 years. i like use this saddle when cycling without cycling paded pants..really comfort!

a bit heavy than my selle royal seta, but the weight nearly like stock saddle..compare to my b17, the canbium c15 much lighter.if im not mistaken canbium used synthetic latex that can be bent and adjust according to ur butt.

if u want saddle that comfort without maintainence like b17, canbium would be great!

do remember, canbium are not lightweight unless u buy canbium carbon laugh.gif
*
wow, promosing reviews! me myself, also till today never had a cycling pant. I do have cycling jerseys though..

you're using the carved on non carved version? till now, i still cant decide which model should i go for,either c17 or c15, carved or non carved..but more inclined to the carved c17. just wonder if it looks weird on a folding bike due to it's size.

about the weight, i dont really mind. going to put it on the speed d8, which is already a heavy but comfortable chromoly frame..a little bit more grams should be ok as long as what i get in return is be comfort! hehe.. If i want speed, i'll probably use my wife's alloy bike..
KenC
post Oct 28 2016, 02:16 PM

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If speed is one's sole uncompromising purpose, one would buy a kapcai, it's cheaper than the Tern nobe or verge. Push the kapcai when you feel like working out. its as portable as one can get.
or one can upgrade one's legs to go as fast as sifu Azam or faster.... weedy leg is still weedy no matter what one ride.
BTW, bicycle land speed record is held by a small wheel bicycle.
azamunekurone
post Oct 28 2016, 07:49 PM

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QUOTE(fatani @ Oct 28 2016, 06:50 AM)
wow, promosing reviews! me myself, also till today never had a cycling pant. I do have cycling jerseys though..

you're using the carved on non carved version? till now, i still cant decide which model should i go for,either c17 or c15, carved or non carved..but more inclined to the carved c17. just wonder if it looks weird on a folding bike due to it's size.

about the weight, i dont really mind. going to put it on the speed d8, which is already a heavy but comfortable chromoly frame..a little bit more grams should be ok as long as what i get in return is be comfort! hehe.. If i want speed, i'll probably use my wife's alloy bike..
*
i use normal one. b17 need sometimes to break in. means u need to used it for some period time (lets say pedal more than 100km) before the saddle will fit with ur butt.besides b17 needs special wax to maintain the leather in good condition.whrn raining, u need to cover the saddle so its protect the moisture in certain ways.the most popular model is b17 stdt..

user posted image
speed p8 with c15

c15 is nice and looks sporty. but u will pay for the extra price that i feel worth it.why?bcoz no maintainence and ready to be use without breakin period.both great saddle if u cycle without cycling pants.

i got few folding bike with 33.9cm seatpost. so sometimes i change it depends on my mood..but the best saddle to match ur chromoly frame from my eyes is b17..

user posted image
speed p8 with b17

QUOTE(KenC @ Oct 28 2016, 02:16 PM)
If speed is one's sole uncompromising purpose, one would buy a kapcai, it's cheaper than the Tern nobe or verge. Push the kapcai when you feel like working out. its as portable as one can get.
or one can upgrade one's legs to go as fast as sifu Azam or faster.... weedy leg is still weedy no matter what one ride.
BTW, bicycle land speed record is held by a small wheel bicycle.
*
no lah ken. im not that fast la. just cycle for a better health only laugh.gif
small_fish18
post Oct 29 2016, 09:08 PM

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user posted image

Deepavali night rolling. Using a 16" folding bike to catch up with some mountain biker.



Btw anyone of you using or try Dahon eezz before? any issue wotht eh quick release pedal?

This post has been edited by small_fish18: Oct 29 2016, 10:50 PM
TSH2D
post Oct 29 2016, 10:54 PM

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what's wrong with the pedal ? biggrin.gif
small_fish18
post Oct 29 2016, 11:10 PM

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QUOTE(H2D @ Oct 29 2016, 10:54 PM)
what's wrong with the pedal ? biggrin.gif
*
My right pedal loose up during yesterday and today ride. Reach home and found that it's a quite filmsy mechanism to hold the pedal on place. My right side quick release was loosen up and now the spring is not in a very good condition sad.gif sad.gif
TSH2D
post Oct 29 2016, 11:25 PM

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QUOTE(small_fish18 @ Oct 29 2016, 11:10 PM)
My right pedal loose up during yesterday and today ride. Reach home and found that it's a quite filmsy mechanism to hold the pedal on place. My right side quick release was loosen up and now the spring is not in a very good condition  sad.gif  sad.gif
*
bring to the shop n let them fix , under warranty right?


small_fish18
post Oct 29 2016, 11:34 PM

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QUOTE(H2D @ Oct 29 2016, 11:25 PM)
bring to the shop n let them fix , under warranty right?
*
yeap gonna send back. Just wonder if this is the common problem for qc pedal or am i getting a defect unit. hmm.gif

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