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Search: Posts Made By: Winfried
Showing results 1 to 50 of 110
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Forum: Bicycle Mechanics
03-28-24, 09:37 PM
Replies: 5
Views: 255
Posted By base2

I've never known any of the Nexus 7, 8, or Alfine...

I've never known any of the Nexus 7, 8, or Alfine 8 speed hubs to have excess drag that affected real world performance in any meaningful way. Most of the drag, as far as I can tell, is simply the...
Forum: Folding Bikes
03-03-24, 03:24 PM
Replies: 83
Views: 3,027
Posted By 2_i

You put it between the adapter and derailleur...

You put it between the adapter and derailleur and, with this, rotate the derailleur by 4-5 degrees one way or another.



The free returns normally mean we keep the money, and you are free to...
Forum: Folding Bikes
03-01-24, 12:58 AM
Replies: 76
Views: 44,058
Posted By Jipe

This way of mounting on the head tube won't work...

This way of mounting on the head tube won't work with frames like the Birdy and Zizzo with a big main tube that cover most of the length of the head tube.

My experience from building several own...
Forum: Folding Bikes
02-15-24, 06:43 AM
Replies: 2,423
Views: 725,888
Posted By Jipe

If you don't know it, the Birdy front disc brake...

If you don't know it, the Birdy front disc brake is on the right side of the bike (to allow a more compact fold) and its position WRT. the center of the front hub is not standard (the distqnce...
Forum: Folding Bikes
02-02-24, 05:33 AM
Replies: 118
Views: 6,087
Posted By Schwinnsta

The weak point on the block is the top screw. It...

The weak point on the block is the top screw. It gets the highest load, being in tension. The likely scenario is it breaks, or it pulls out and strips out the thread from its attachment point. That...
Forum: Folding Bikes
02-01-24, 07:20 PM
Replies: 118
Views: 6,087
Posted By Ron Damon

Nice pic. The left panel. FWIW, I've had...

Nice pic. The left panel.

FWIW, I've had Raze, Muqzi and Aceoffix front-blocks, and while I haven't taken them to the max of 10kg, they are all uniformly solid, with good finishing and fit on the...
Forum: Folding Bikes
02-01-24, 07:20 PM
Replies: 118
Views: 6,087
Posted By Schwinnsta

I have had both. The only difference I have seen...

I have had both. The only difference I have seen in practice is that I have had Aceofix that the bag would not click into place, but they were cheap. I have an H&H with aftermarket support on my...
Forum: Folding Bikes
02-01-24, 03:20 AM
Replies: 118
Views: 6,087
Posted By Duragrouch

My hat's off to Andrew Ritchie, he really sweated...

My hat's off to Andrew Ritchie, he really sweated the details on the Brompton fold. One of the great advances in bicycle design, yet I see no mention of it, nor any other folders like the first...
Forum: Bicycle Mechanics
01-14-24, 03:53 PM
Replies: 10
Views: 333
Posted By Dan Burkhart

All this points to my opinion that the two wheel...

All this points to my opinion that the two wheel option isn’t a bad one. Keep the weight in the bucket loaded centrally balanced and secure it.
It is designed for a low centre of gravity which makes...
Forum: Folding Bikes
12-29-23, 07:41 AM
Replies: 5
Views: 348
Posted By Schwinnsta

First picture: The 71.12 mm is at the main tube /...

First picture: The 71.12 mm is at the main tube / head tube intersection.

2nd picture: I used a small block of 5/8 inch 6061 aluminum. I used a carbide hole saw bit and drilled a hole to match...
Forum: Bicycle Mechanics
12-26-23, 04:49 PM
Replies: 12
Views: 549
Posted By veganbikes

I would never want to run a chain instead of a...

I would never want to run a chain instead of a belt if the bike was set up to run belt drive. It is lower maintenance and longer wearing.

However if I wanted to run a chain I probably could do...
Forum: Bicycle Mechanics
12-25-23, 10:57 AM
Replies: 12
Views: 549
Posted By 79pmooney

Industrial half links work just fine with 1/8"...

Industrial half links work just fine with 1/8" chain. (Any Ace Hardware/A-Boy Plumbing. Ask for 1/2" x 1/8" half links.) They are harder to find in bike shops and usually only the shops that...
Forum: Bicycle Mechanics
12-25-23, 08:18 AM
Replies: 12
Views: 549
Posted By grumpus

Eccentric bottom bracket is the nicest way to...

Eccentric bottom bracket is the nicest way to adjust chain slack because it doesn't require any additional moving parts. Ghost chainring is the most amusing.

Go to any BMX specialist.
Forum: Bicycle Mechanics
12-25-23, 07:02 AM
Replies: 12
Views: 549
Posted By Dan Burkhart

You are worrying too much about something that is...

You are worrying too much about something that is not much of a problem. The eccentric bottom bracket is an elegant solution for taking up chain slack so why fuss with a tensioner?
I have IGH bikes...
Forum: Bicycle Mechanics
11-25-23, 10:12 AM
Replies: 5
Views: 272
Posted By base2

Correct.

Correct.
Forum: Folding Bikes
11-23-23, 10:51 PM
Replies: 28
Views: 34,804
Posted By 50PlusCycling

The K3 is probably the most popular folding bike...

The K3 is probably the most popular folding bike in Japan right now, people here love them.
Forum: Folding Bikes
11-23-23, 04:43 PM
Replies: 28
Views: 34,804
Posted By Ron Damon

Might as well -- or even better, I'd say -- just...

Might as well -- or even better, I'd say -- just buy a FnHon frameset and build the bike yourself, if you have access to the Asian market. For the same money, perhaps even less, you'll end up with a...
Forum: Bicycle Mechanics
11-19-23, 04:56 PM
Replies: 15
Views: 685
Posted By maddog34

belt manufacturers use different standards,...

belt manufacturers use different standards, comparing brand to brand.... it's really hard to say for sure...
With V-belts, some measure the base of the "V", some measure the outer surface, and some...
Forum: Bicycle Mechanics
11-17-23, 12:49 PM
Replies: 15
Views: 685
Posted By 70sSanO

I would use the minimum, center, and maximum...

I would use the minimum, center, and maximum lengths based on the dropout length. This will give you an idea of the different belt lengths based on wheel placement in the dropout.

I'm guessing you...
Forum: Folding Bikes
08-11-23, 09:54 AM
Replies: 15
Views: 2,057
Posted By edwong3

Hello Winfried. Thank you for taking the time to...

Hello Winfried. Thank you for taking the time to post a reply. I now have a clearer picture or what I am going to do should I decide to pull the trigger and get the Brommie. I would not touch the...
Forum: Folding Bikes
08-07-23, 05:27 AM
Replies: 93
Views: 8,753
Posted By jfouellette

This one ...

This one

https://bike.shimano.com/en-EU/product/component/tourney-tz500/SL-TZ500-LN.html
Forum: Folding Bikes
08-06-23, 08:32 AM
Replies: 93
Views: 8,753
Posted By jfouellette

Hello, I ordered it from the Litepro web site. It...

Hello, I ordered it from the Litepro web site. It was on sale with shipping included. The sale is still active I believe. It took about three weeks to arrive. The final price was about CA$850. The...
Forum: Folding Bikes
07-19-23, 12:57 AM
Replies: 28
Views: 2,667
Posted By 2_i

In my experience the housing makes a difference...

In my experience the housing makes a difference for long cable runs, i.e., the rear brake, but not so much the front.
Forum: Folding Bikes
07-17-23, 08:29 PM
Replies: 28
Views: 2,667
Posted By 50PlusCycling

Nope. If you want to improve your front braking,...

Nope. If you want to improve your front braking, you can do a number of things short of damaging your front fork by brazing on a disk brake mount. Better pads can improve braking, and are cheap. The...
Forum: Folding Bikes
07-01-23, 05:41 AM
Replies: 28
Views: 2,667
Posted By Tourist in MSN

On a Brompton where your front tire is on the...

On a Brompton where your front tire is on the ground further aft from where it would be on a full size 700c bike, that increases the chance that hard braking could cause you to go over the handlebars...
Forum: Bicycle Mechanics
06-28-23, 07:14 AM
Replies: 18
Views: 1,527
Posted By anga

This is what I gathered from various forums and...

This is what I gathered from various forums and not based on experience. Use at own risk

If you spin rather than mash and stay seated while pedaling, one can go down to a ratio of 1.3

The...
Forum: Bicycle Mechanics
06-28-23, 04:07 AM
Replies: 18
Views: 1,527
Posted By base2

Well, you do have me on the rollers engaging with...

Well, you do have me on the rollers engaging with the hub shell. I'm not sure if there would be anything other than slippage or exceeding the hub shell integrity failure due to internal pressure or...
Forum: Bicycle Mechanics
06-27-23, 11:20 AM
Replies: 18
Views: 1,527
Posted By veganbikes

I would also recommend going for an Enviolo hub....

I would also recommend going for an Enviolo hub. Less to really no maintenance and plenty of range and they make a heavy duty and cargo version that would be perfect for your situation if you are...
Forum: Bicycle Mechanics
06-27-23, 10:01 AM
Replies: 18
Views: 1,527
Posted By base2

For every action there is an equal & opposite...

For every action there is an equal & opposite reaction. The torque rating so far as I can tell has to do with the reactionary forces the axle transmits to the dropouts via the anti-rotation washer.
...
Forum: Folding Bikes
06-24-23, 03:26 AM
Replies: 28
Views: 2,667
Posted By Jipe

Its definitely not a good idea to add a disc...

Its definitely not a good idea to add a disc mounting on a fork no designed for disc braking since the effort on the fork are very different with rim and disc brakes.

But I agree that the stock...
Forum: Folding Bikes
06-24-23, 02:44 AM
Replies: 28
Views: 2,667
Posted By Trakhak

Don't say you haven't been warned. There's a...

Don't say you haven't been warned. There's a reason forks built for disc brakes weigh more and cost more than forks for rim brakes.
...
Forum: Folding Bikes
06-23-23, 06:26 AM
Replies: 28
Views: 2,667
Posted By BobbyG

I would not mount disc brakes on a fork that was...

I would not mount disc brakes on a fork that was not designed for braking forces in the lower reach. There are plenty of examples on the web of non-disc forks buckling after disc brakes have been...
Forum: Folding Bikes
06-23-23, 02:04 AM
Replies: 28
Views: 2,667
Posted By Fentuz

TRP spyre is a better option than bb7. I cannot...

TRP spyre is a better option than bb7.
I cannot see why you would hydro or hybrid (heavy) but if you do, juin tech calipers and TRP are good.
Forum: Bicycle Mechanics
06-22-23, 02:21 AM
Replies: 6
Views: 339
Posted By cpach

My favorite price/performance droppers are...

My favorite price/performance droppers are TranzX, which are OEM on a lot of bike brands, and appear to do manufacturing for other brands. They aren't the absolute cheapest, particularly compared to...
Forum: Bicycle Mechanics
06-21-23, 03:43 PM
Replies: 6
Views: 339
Posted By maddog34

"cheaper" means lower manufacturing standards and...

"cheaper" means lower manufacturing standards and junk materials....and junk "performance", AKA: loose, clicking, rattles, and creaking... much like my aging skeleton..

as to size.. Droppers come...
Forum: Bicycle Mechanics
05-24-23, 06:31 AM
Replies: 5
Views: 661
Posted By dedhed

Opposite. Means it'll sit too far inward for...

Opposite. Means it'll sit too far inward for correct chainline and/or inner chainring or crank arm will hit the chainstay. if those things work out the FD may not retract far enough to drop to inner...
Forum: Folding Bikes
05-19-23, 10:18 AM
Replies: 54
Views: 20,144
Posted By Jipe

On a small wheel bike, you need a transmission...

On a small wheel bike, you need a transmission that has a big multiplying factor from the pedaling cadence to the rear wheel rpm to have high enough gear inches because of the small diameter of this...
Forum: Bicycle Mechanics
04-07-23, 05:41 AM
Replies: 23
Views: 1,538
Posted By alexk_il

Larger rotors and TRP spyres

The breaking power can be improved by larger rotors and better pads

​​​​​​
I have TRP Spyres +185mm rotors + Discobreaks Copper pads on my MTB. Took a bit of efforts to install the breaks...
Forum: Bicycle Mechanics
04-06-23, 09:09 AM
Replies: 23
Views: 1,538
Posted By HillRider

I have Spyres (road pull versions of the Spykes)...

I have Spyres (road pull versions of the Spykes) on one bike and they do work well. You are correct that the pad adjusters can be a bit fragile if you are careless. You have to use a good allen...
Forum: Bicycle Mechanics
04-06-23, 08:07 AM
Replies: 23
Views: 1,538
Posted By fooferdoggie

Shimano deore 4 piston are not too expensive and...

Shimano deore 4 piston are not too expensive and they stop our tandem with a single finger on 20% grade and at about 400 pounds. I do have 203 rotors on it though.
Forum: Bicycle Mechanics
04-05-23, 11:12 PM
Replies: 23
Views: 1,538
Posted By veganbikes

I would not want cable actuated brakes for a...

I would not want cable actuated brakes for a cargo bike. I would go Magura MT5s or the TRP equivalent (c 1.2 or something). Longer cable runs lead to less braking performance.

If I absolutely was...
Forum: Bicycle Mechanics
04-05-23, 01:58 PM
Replies: 23
Views: 1,538
Posted By csport

If you move the rotor from side to side (say to...

If you move the rotor from side to side (say to the right), the right piston will extend by a smaller amount and the left piston will extend further because they are both pushed by the same fluid in...
Forum: Bicycle Mechanics
04-05-23, 06:40 AM
Replies: 23
Views: 1,538
Posted By IPassGas

We touring on a loaded tandem (210kg/460lbs)...

We touring on a loaded tandem (210kg/460lbs) often on greater than 10% slopes in remote areas. 2 cantilevers and a rear disk. Heat dissipation is the concern. We switched from TRP Spyres to Klampers....
Forum: Bicycle Mechanics
04-05-23, 05:34 AM
Replies: 23
Views: 1,538
Posted By csport

Good mechanical disc brakes are not exactly...

Good mechanical disc brakes are not exactly cheap. Here is a review review of Paul Klampers and Growtac Equal. He also reviews Yokozuna, which is a rebranded Juin Tech hybrid hydraulic brake.

I...
Forum: Bicycle Mechanics
04-03-23, 02:04 AM
Replies: 7
Views: 1,203
Posted By ign1te

The main thing is that the roller brake version...

The main thing is that the roller brake version has external splines on the hub body itself. These are needed for the roller brake to even function. A coaster hub does not have these splines and...
Forum: Folding Bikes
02-24-23, 01:50 PM
Replies: 2,423
Views: 725,888
Posted By Reddleman

Not really, the SA dual drive hubs have the same...

Not really, the SA dual drive hubs have the same cable pull requirements as an MTB triple front derailleur and are designed to be use with other companies’ shifters.
Forum: Folding Bikes
11-15-22, 04:38 PM
Replies: 11
Views: 984
Posted By 2_i

Indeed I used to have them for that specific...

Indeed I used to have them for that specific reason. However, in the long run they turned out to too much trouble and I took them off. Specifically, they did not release a lot of cable, 4mm if I...
Forum: Folding Bikes
09-15-22, 05:20 AM
Replies: 7
Views: 521
Posted By ertyui

Thank you.

Thank you.
Forum: Folding Bikes
08-06-22, 01:24 AM
Replies: 22
Views: 2,889
Posted By Ron Damon

It is a $5 Syte brand part made out of Al-alloy....

It is a $5 Syte brand part made out of Al-alloy. The bolts that came with it were too long so the bolts you see here are from what I had on hand. I haven't put it through its paces so I cannot make a...
Forum: Folding Bikes
07-06-22, 07:35 AM
Replies: 33
Views: 8,600
Posted By Ron Damon

Mine is four years old and the folding pivot is...

Mine is four years old and the folding pivot is still good and strong. Zero problems.

User's tip: lubricate the pivot with WD-40 like spray with a thin straw introduced through the bottle cage...
Showing results 1 to 50 of 110
 
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