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Search: Posts Made By: bbmike
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Forum: Folding Bikes
06-12-12, 12:14 PM
Replies: 4
Views: 3,044
Posted By bbmike

I really doubt that the bike weights 13KG.

I really doubt that the bike weights 13KG.
Forum: Folding Bikes
06-06-12, 07:32 AM
Replies: 36
Views: 7,934
Posted By bbmike

Put chalk on one side of the hinge and ride a...

Put chalk on one side of the hinge and ride a little. Open up the hinge and see where the chalk rubbed off on the opposite side to check on the contact areas.

On another note, it looks like that...
06-05-12, 05:39 PM
Replies: 70
Views: 3,788
Posted By bbmike

Perhaps your stats are only for particular time...

Perhaps your stats are only for particular time of the day.
06-05-12, 08:39 AM
Replies: 4
Views: 631
Posted By bbmike

Isn't is interesting how above page talks in not...

Isn't is interesting how above page talks in not so definitive terms about safety of rumble strips for cyclists:
Forum: Folding Bikes
06-05-12, 08:06 AM
Replies: 86
Views: 10,717
Posted By bbmike

I think it cheapens the bike. More fancy...

I think it cheapens the bike. More fancy lettering and just origamibicycles (without .com) would work just as well. People can type in origamibicycles in google and get the same result.



When...
Forum: Folding Bikes
06-05-12, 07:24 AM
Replies: 86
Views: 10,717
Posted By bbmike

Due to folding mechanism this bike will not work...

Due to folding mechanism this bike will not work with coaster brake. Shimano roller brake is great for the rear but I agree that inboard shift cable is much better. (I myself have i-M3, soon with...
Forum: Folding Bikes
06-05-12, 07:19 AM
Replies: 86
Views: 10,717
Posted By bbmike

I do see a point. I can see that a lot of people...

I do see a point. I can see that a lot of people trying to figure what bike I'm riding and I've seen a lot of bikes in asia with ads on them and that's probably where the idea originated. However,...
06-05-12, 01:15 AM
Replies: 20
Views: 1,587
Posted By bbmike

Quest is much smaller: Lamborgini spyder...

Quest is much smaller:

Lamborgini spyder overall height = 1184mm
Quest velomobile overall height = 870mm

Not to mention you're comparing V-10 car with whisper quiet velomobile. Speaking of...
06-04-12, 06:59 PM
Replies: 5
Views: 1,064
Posted By bbmike

How does the disc brake apply the braking force to the rotor?

Unlike rim brakes, caliper brake is moving brake pad on one side only - the opposite side is stationary (at least the one I have is like that). What I wonder is if piston/pad is pushing/bending the...
06-04-12, 09:53 AM
Replies: 32
Views: 1,924
Posted By bbmike

That should be a sticky somewhere on how hard is...

That should be a sticky somewhere on how hard is to prove you're right...much easier to carry the ID :)

https://www.checkpointusa.org/roadblock/lawsuit.htm
06-04-12, 09:04 AM
Replies: 20
Views: 1,587
Posted By bbmike

This policewoman has a point - just put a flag on...

This policewoman has a point - just put a flag on this thing so SUV, trucks and buses can see you better. Why wait until few die/get injured and it becomes a law?
06-03-12, 05:42 PM
Replies: 3
Views: 440
Posted By bbmike

Seattle is planning to build seven miles of walking and biking boulevards this year

"The city is planning to build seven miles of walking and biking boulevards in five neighborhoods this year, with more likely on the way. So-called neighborhood greenways modeled after ones in...
06-03-12, 02:53 PM
Replies: 48
Views: 2,535
Posted By bbmike

I have a simple formula for determining if...

I have a simple formula for determining if particular road/bike line is safe that includes factors as speed, visibility reaction time. It's not entirely different from what card drivers are supposed...
Forum: Folding Bikes
06-03-12, 06:55 AM
Replies: 15
Views: 21,920
Posted By bbmike

Please explain why you're looking for a folding...

Please explain why you're looking for a folding bicycle and how heavy would be to heavy?

Probably the worst feature of the bike in your example is the front suspension fork. Also, headset might...
Forum: Folding Bikes
06-03-12, 05:45 AM
Replies: 18
Views: 3,502
Posted By bbmike

I bought non branded bike as a primary theft...

I bought non branded bike as a primary theft deterrent...and use 6mm chain with combination lock.
Forum: Folding Bikes
06-02-12, 07:37 AM
Replies: 26
Views: 10,104
Posted By bbmike

Yeah, and those artificial shadows make it look...

Yeah, and those artificial shadows make it look as it came from Mars! :roflmao2:
Forum: Folding Bikes
06-01-12, 01:42 PM
Replies: 26
Views: 10,104
Posted By bbmike

I was of the same view, until Apple sued Samsung...

I was of the same view, until Apple sued Samsung over look and feel of their tablet. As it appears one can patent designs and quick google search reveals that it's been done to Dahon America as...
Forum: Folding Bikes
06-01-12, 06:39 AM
Replies: 86
Views: 10,717
Posted By bbmike

I think it's great that Origami company is...

I think it's great that Origami company is bringing something new to the US market instead just another dahon look a like and I truly appreciate that. Therefore I hope this will be taken as...
Forum: Folding Bikes
05-31-12, 06:37 PM
Replies: 26
Views: 10,104
Posted By bbmike

Not to say the design is not a copy but it does...

Not to say the design is not a copy but it does not look like Dahon Boardwalk (just look at the rear triangle). Greenzone bikes look like Dahon Boardwalk but this one is quite different.
Forum: Folding Bikes
05-31-12, 03:35 PM
Replies: 26
Views: 10,104
Posted By bbmike

Steel frame bike at 30lbs is quite an...

Steel frame bike at 30lbs is quite an achievement. Normally they are 32-37lbs.

@Hendo252: according to fbike blog they are located in Boston, MA:
http://fbikedirect.com/blogs/news
Forum: Folding Bikes
05-31-12, 10:34 AM
Replies: 8
Views: 1,055
Posted By bbmike

Thanks for the link. It's unknown if it was due...

Thanks for the link. It's unknown if it was due to transportation issues but it seems Arthurs' have switched from cassette to IGH.
Forum: Folding Bikes
05-31-12, 05:46 AM
Replies: 9
Views: 7,567
Posted By bbmike

Has anyone actually done triple chainring on a...

Has anyone actually done triple chainring on a folder with a cassette? I've had double and when on inside ring the chain was pretty close to the tire.
Forum: Folding Bikes
05-30-12, 06:33 PM
Replies: 14
Views: 1,567
Posted By bbmike

width matters

When got my folder I did not like how bumpy my ride was. I fixed that quite successfully with a (much) wider 406 rim.

Wide rim made such a difference that I decided to keep my old tire in the...
05-22-12, 06:06 AM
Replies: 40
Views: 16,309
Posted By bbmike

If these stats are correct you will run into...

If these stats are correct you will run into problems with RD capacity if you switch to 28t cassette and the 50/34 chainring: "Maximum front difference is 14T and total capacity is 29T. Max. cog size...
Forum: Folding Bikes
05-21-12, 06:32 PM
Replies: 31
Views: 24,614
Posted By bbmike

I like grip shifters with geared hubs..

I like grip shifters with geared hubs..
05-21-12, 10:31 AM
Replies: 40
Views: 16,309
Posted By bbmike

The best starting point is to go to online gear...

The best starting point is to go to online gear calculator : http://home.earthlink.net/~mike.sherman/shift.html to see where you are and simulate where you want to be.

For example: assuming your...
Forum: Folding Bikes
05-21-12, 05:47 AM
Replies: 9
Views: 2,174
Posted By bbmike

That's old information. New SRAM IGH do not have...

That's old information. New SRAM IGH do not have the "clickbox" on the outside.
05-20-12, 08:35 PM
Replies: 5
Views: 545
Posted By bbmike

Good point, sounds like a retrofit kit that...

Good point, sounds like a retrofit kit that attaches to the axle would be better option.
Forum: Folding Bikes
05-20-12, 08:12 PM
Replies: 24
Views: 3,387
Posted By bbmike

To put an electric motor in front one would need...

To put an electric motor in front one would need to, at the least, change to disc brake capable fork. Folding bike forks are not made for forces generated by the motor. In addition, motor in front...
05-20-12, 07:49 AM
Replies: 21
Views: 1,329
Posted By bbmike

If you could put pressure sensors in the pedals...

If you could put pressure sensors in the pedals you could measure how hard one is pedaling. Combined with cadence measurement you could come up with a formula when to shift up or down (for comfort...
05-20-12, 07:39 AM
Replies: 5
Views: 545
Posted By bbmike

Braze on job

Ever since my hub came with the possibility of installing a brake rotor it's been on my mind to install disc brakes on my bike. Given that my frame does not have the IS mount, which would be cheaper...
Forum: Folding Bikes
05-20-12, 07:29 AM
Replies: 12
Views: 3,886
Posted By bbmike

Protrusions need to be small since they would...

Protrusions need to be small since they would engage on a radius - not a straight fit. It would be interesting to see what tolerances dahon and tern hinges have. I see number of variables at play:...
Forum: Folding Bikes
05-20-12, 07:21 AM
Replies: 13
Views: 3,020
Posted By bbmike

I'm curious, what would be a reason for wanting a...

I'm curious, what would be a reason for wanting a titanium bike over aluminum one?
Forum: Folding Bikes
05-19-12, 03:00 PM
Replies: 12
Views: 3,886
Posted By bbmike

Your bike's hinge is entirely flat which means...

Your bike's hinge is entirely flat which means that bulk of forces will be concentrated on the pivot and that's probably where the squeak was coming from. If you google Tern and Dahon hinges you'll...
Forum: Folding Bikes
05-19-12, 02:02 PM
Replies: 24
Views: 3,387
Posted By bbmike

In my opinion motorized bike should be equipped...

In my opinion motorized bike should be equipped with disc or hub brakes-rim brakes are just too inconsistent. Otherwise, 20" folding frame will do as long as the motor is in the back (folding bikes...
Forum: Folding Bikes
05-19-12, 01:04 PM
Replies: 17
Views: 8,069
Posted By bbmike

For what it's worth LittlePixel's pattern looks...

For what it's worth LittlePixel's pattern looks good - my concern would be that radial spokes on one side are un-oposed on the other side. I think it could introduce extra torsion in to the wheel...
Forum: Folding Bikes
05-18-12, 07:38 PM
Replies: 12
Views: 3,886
Posted By bbmike

If the bike squeaks when latched- I'd return it...

If the bike squeaks when latched- I'd return it or at least have the LBS adjust it until it does not. Squeak means movement and just lubricating it will only mask the issue until the hinge wars off.
05-18-12, 07:18 AM
Replies: 1
Views: 548
Posted By bbmike

What type of cog will fit kid's coaster hub?

Bike has a coaster hub with a cog retained by a snap ring. Which type of replacement sprocket should I be looking for (I see lots of type available -B-type, E-type, SA - but no dimensions)? The...
05-17-12, 05:33 PM
Replies: 0
Views: 296
Posted By bbmike

i-motion IGH part question

i-motion 3 drive side comes with what looks like thick washer with a grommet inside. What is the purpose of the grommet? Can it be substituted with just a washer?
Forum: Folding Bikes
05-16-12, 05:27 PM
Replies: 22
Views: 2,412
Posted By bbmike

Really nice bike. Your photos present it better...

Really nice bike. Your photos present it better than Citizen website. Btw, if you want to lighten it up - the rear rack is 2lbs by itself.

PS.: could you take a close up of both hinges?
05-16-12, 01:53 PM
Replies: 20
Views: 926
Posted By bbmike

One could use flexiforce sensor to measure the...

One could use flexiforce sensor to measure the load: http://www.hoskin.qc.ca/uploadpdf/Instrumentation/Tekscan/hoskin_FlexiForce4120f35db4439.pdf
Forum: Folding Bikes
05-16-12, 12:36 PM
Replies: 3
Views: 1,080
Posted By bbmike

It's striking that, in this video, most of the...

It's striking that, in this video, most of the bicycle carrying footage is of Dahon JiFo 16" and not the more common 20" models.
05-15-12, 03:00 PM
Replies: 9
Views: 796
Posted By bbmike

From Amazon review of this tool: "I was...

From Amazon review of this tool:

"I was installing a Shimano CN-HG93 9 speed narrow chain which uses a reinforced connector pin with a break-off adapter extension to facilitate assembly. The...
05-14-12, 06:01 AM
Replies: 33
Views: 2,793
Posted By bbmike

It's cavitation

At first I was skeptical if removing pressure would remove bubbles until I remembered cavitation. Here's a full article about it:http://en.wikipedia.org/wiki/Cavitation

And the direct quote:

...
05-14-12, 05:32 AM
Replies: 190
Views: 36,376
Posted By bbmike

No shifting while pedaling?

I don't have Alfine 11, not even Shimano. But I've build my bike around IGH just beause it can shift while pedaling (and at standstill).

I'm surprised how could some(one?) claim that all IGH are...
05-13-12, 06:25 PM
Replies: 2
Views: 654
Posted By bbmike

Thanks for your replay. I'm interested in...

Thanks for your replay. I'm interested in opinions of what it should be or what worked for others. I already purchased lock-on grips so I can adjust their position however I want. The problem with...
05-13-12, 06:56 AM
Replies: 2
Views: 654
Posted By bbmike

Handlebar width for 4yr old.

His bike came with 54cm wide handlebar which is what adult bikes use. I adjusted the grips 3cm inwards which seems to be ok (48cm/19"), but it still looks too wide.

What width is recommended for...
05-11-12, 12:59 PM
Replies: 6
Views: 2,151
Posted By bbmike

@krome Good idea. I just got some from HK on...

@krome
Good idea. I just got some from HK on ebay, 1"x100ft roll for ~$7 so I'll have plenty to experiment with.
05-11-12, 09:26 AM
Replies: 6
Views: 2,151
Posted By bbmike

Anyone using Kapton (polyamide) tape as a tire liner?

Is anyone using Kapton tape as tire liner? It's elastic, non corrosive, works in low and high temp, usually lined with silicone adhesive. I'd think it would be great for stopping punctures caused...
Forum: Folding Bikes
05-11-12, 07:38 AM
Replies: 22
Views: 2,412
Posted By bbmike

When I look at Gotham2 I see, beside it's...

When I look at Gotham2 I see, beside it's aggressive good looks, a lot of hard to clean surfaces. I wonder how true it is in reality?
Showing results 1 to 50 of 104
 


 
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