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Search: Posts Made By: biker101
Showing results 1 to 32 of 32
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Forum: Folding Bikes
03-02-24, 09:10 PM
Replies: 10
Views: 2,763
Posted By biker101

The circumference of the Brompton wheel is...

The circumference of the Brompton wheel is usually between 1.27 m and 1.30 m depending on the tire. This should get you close to within 1 or 2 %. If you go for a ride and montior the GPS distance,...
Forum: Folding Bikes
02-26-24, 11:17 PM
Replies: 2,425
Views: 740,297
Posted By biker101

A Sunrace 9 speed cassette 9-28 is available...

A Sunrace 9 speed cassette 9-28 is available here:
https://www.somafabshop.com/shop/590805-sunrace-cassette-css90-9sp-9-28t-for-small-wheel-bikes-2340#attr=4801
Using Shimano cogs, it should be...
Forum: Folding Bikes
02-26-24, 11:07 PM
Replies: 11
Views: 728
Posted By biker101

This hose adapter works great for the Brompton: ...

This hose adapter works great for the Brompton:
https://www.amazon.com/gp/product/B07MXBYPT2
It is easier to use than the right-angle valve adapter.
Forum: Folding Bikes
06-04-23, 11:22 AM
Replies: 4
Views: 850
Posted By biker101

I have modified the brake cable routing to a more...

I have modified the brake cable routing to a more direct connection. Did improve brake performance a lot. When you fold the bike, extra cable is pulled through the little pieces of tubing which guide...
Forum: Folding Bikes
05-06-23, 11:09 PM
Replies: 37
Views: 4,873
Posted By biker101

My Tikit has an adjustable dropout and doesn't...

My Tikit has an adjustable dropout and doesn't need a chain tensioner for the Alfine-8.
Forum: Folding Bikes
02-18-23, 11:26 AM
Replies: 10
Views: 2,763
Posted By biker101

On my Brompton, I recently replaced my wired bike...

On my Brompton, I recently replaced my wired bike computer with a GPS type computer (COOSPO Bike Computer Wireless GPS, Bike Speedometer). This model allows me to switch off GPS, so the battery lasts...
Forum: Folding Bikes
12-24-22, 10:51 AM
Replies: 8
Views: 1,237
Posted By biker101

Nice work. I am wondering: Can you put an M5...

Nice work.
I am wondering: Can you put an M5 thread on the 4 mm hole? Then you would have something very similar to the model T solution.
Forum: Folding Bikes
12-15-22, 08:18 PM
Replies: 8
Views: 1,237
Posted By biker101

I had several problems with this trumpet bearing....

I had several problems with this trumpet bearing. When BF send me a replacement and I tightened the stem, it stopped rotating freely. After one more attempt, I gave up and converted to the model T....
Forum: Folding Bikes
04-24-22, 08:00 PM
Replies: 7
Views: 1,564
Posted By biker101

I have added one turn to the standard Brompton...

I have added one turn to the standard Brompton tensioner, and so far it has worked well (for two years now).
Forum: Folding Bikes
04-17-22, 08:07 PM
Replies: 9
Views: 1,840
Posted By biker101

I have built a folding clipless pedal by...

I have built a folding clipless pedal by combining a folding Brompton pedal with an eggbeater pedal. It has worked perfectly now for years :
see http://mybikesite.org/#Eggbeater
...
Forum: Folding Bikes
04-17-22, 08:00 PM
Replies: 7
Views: 1,564
Posted By biker101

You can increase the tension in the following...

You can increase the tension in the following way: carefully loosen the central screw until you can wind up the spring by one full turn by rotating the tensioner arm over the molding, and then...
Forum: Folding Bikes
04-12-22, 07:56 PM
Replies: 7
Views: 1,564
Posted By biker101

Could it also be that the tension is on the low...

Could it also be that the tension is on the low side when you use the small chainwheel? I was able to increase the tension of the chain tensioner by putting more tension on the spring.
Forum: Folding Bikes
10-24-21, 07:19 PM
Replies: 30
Views: 10,232
Posted By biker101

This may be your firewall. Type the URL...

This may be your firewall. Type the URL mybikesite.org and it should work.
Forum: Folding Bikes
10-23-21, 09:27 PM
Replies: 30
Views: 10,232
Posted By biker101

Brompton with Drop Bars

For an extremely small fold: I was able to integrate drop bars into a Brompton without increasing the folded package, see
http://mybikesite.org/
...
Forum: Folding Bikes
02-21-21, 08:50 PM
Replies: 4
Views: 2,265
Posted By biker101

I had to extend the reach of the handlebar to...

I had to extend the reach of the handlebar to feel comfortable. I now have the same geometry as on my non-folding bike.
See
http://mybikesite.org/
...
Forum: Folding Bikes
02-15-21, 07:05 PM
Replies: 14
Views: 8,991
Posted By biker101

Simple DIY solution: see ...

Simple DIY solution:
see http://mybikesite.org/#CarrierBlockMount



https://cimg1.ibsrv.net/gimg/bikeforums.net-vbulletin/504x752/image_4d189ecaa8a6aa17c35a6be89759dc30f438963f.png
Forum: Folding Bikes
02-15-21, 06:59 PM
Replies: 76
Views: 44,698
Posted By biker101

A simple DIY solution, "hacking" a seatpost rack....

A simple DIY solution, "hacking" a seatpost rack. See:
http://mybikesite.org/#CarrierBlockMount
...
Forum: Folding Bikes
01-22-21, 09:31 AM
Replies: 12
Views: 2,780
Posted By biker101

[QUOTE=trace;21885599]biker101, that is a cool...

[QUOTE=trace;21885599]biker101, that is a cool setup you have on your Brompton. I like the mini aero bars you showed in one of your website pics too. I might try experimenting with bar ends placed...
Forum: Folding Bikes
01-19-21, 12:54 AM
Replies: 12
Views: 2,780
Posted By biker101

I was able to put bar ends and drop ends on a...

I was able to put bar ends and drop ends on a Brompton without making the fold larger, see
http://mybikesite.org/#Handlebar
I like the different positions when I go for longer rides.
...
Forum: Folding Bikes
01-17-21, 07:56 PM
Replies: 42
Views: 13,111
Posted By biker101

BTW, for less than $ 40, you can turn the...

BTW, for less than $ 40, you can turn the Brompton cardboard box into a rolling piece of luggage, see
http://mybikesite.org/#CarryBox

...
Forum: Folding Bikes
01-10-21, 07:46 PM
Replies: 42
Views: 13,111
Posted By biker101

In my view, the Brompton cardboard box provides...

In my view, the Brompton cardboard box provides very good protection. I reinforced it in critical places, and have used it on multiple flights....
Forum: Folding Bikes
01-10-21, 07:39 PM
Replies: 22
Views: 12,155
Posted By biker101

On one bike, I have the Alfine-8 which is good...

On one bike, I have the Alfine-8 which is good for gently hills in the city. But I like the extra gears on the Alfine-11 for steeper hills.
Forum: Folding Bikes
01-07-21, 10:49 PM
Replies: 22
Views: 12,155
Posted By biker101

I agree --- to go uphill, and go fast, the range...

I agree --- to go uphill, and go fast, the range should exceed 500 %. I have this on most of my bikes on don't want to miss it.
Forum: Folding Bikes
01-07-21, 10:48 PM
Replies: 22
Views: 12,155
Posted By biker101

I have a Brompton with an Alfine 11 and I use...

I have a Brompton with an Alfine 11 and I use all my gears riding through rolling hills.

It depends also on your style of riding. I keep my cadence between 85 an 95 most of the time.

For...
Forum: Folding Bikes
12-31-20, 12:50 AM
Replies: 15
Views: 2,264
Posted By biker101

Here is the link: ...

Here is the link:
http://mybikesite.org/#Eggbeater
Forum: Folding Bikes
12-31-20, 12:50 AM
Replies: 15
Views: 2,264
Posted By biker101

I was able to combine a Brompton folding pedal...

I was able to combine a Brompton folding pedal with an eggbeater pedal --- has worked very well for more than a year.
Forum: Folding Bikes
12-31-20, 12:44 AM
Replies: 42
Views: 13,111
Posted By biker101

I have put the Brompton cardboard box into a bag,...

I have put the Brompton cardboard box into a bag, and checked it in as normal luggage on several occasions. See
mybikesite.org/#Packing
Forum: Folding Bikes
09-20-20, 06:56 PM
Replies: 10
Views: 7,008
Posted By biker101

I agree. This is why I have also the straight...

I agree. This is why I have also the straight barends. Those are 44 cm apart, and this is what I am using if I want to have a position similar to "on the hoods". I use the drop ends mainly to ride...
Forum: Folding Bikes
09-13-20, 06:53 PM
Replies: 10
Views: 7,008
Posted By biker101

All details about the stem are on my site, see ...

All details about the stem are on my site, see
mybikesite.org/#Stem
Forum: Folding Bikes
08-02-20, 04:52 PM
Replies: 10
Views: 7,008
Posted By biker101

Since I am tall, I need a longer reach. ...

Since I am tall, I need a longer reach.

Those handlebar solutions show that you can realize some options if you use a wide bar (560 or 580 mm), and the horn, bar ends, or drop ends fit around the...
Forum: Folding Bikes
07-31-20, 02:40 PM
Replies: 10
Views: 7,008
Posted By biker101

Thanks. Yes, you have to enjoy both the process...

Thanks. Yes, you have to enjoy both the process and the result! The Brompton is so nicely engineered, and it is very motivating to add additional funcionality.
Forum: Folding Bikes
07-30-20, 09:26 PM
Replies: 10
Views: 7,008
Posted By biker101

Brompton with drop bars

I managed to add drop ends to my Brompton without increasing the folded size, see
mybikesite.org/#Handlebar
Showing results 1 to 32 of 32


 
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