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Forum: Foo
05-12-19, 07:43 AM
Replies: 38
Views: 1,130
Posted By dabac

[/list] You’re reading it wrong. It means...

[/list]
You’re reading it wrong.
It means the switch is not meant to be used to switch (big) motors on/off.
Reasons already covered by others.
05-06-19, 01:03 PM
Replies: 4
Views: 314
Posted By dabac

For traditional quick-releases there are only...

For traditional quick-releases there are only four sizes that I’m aware of:
1) front road/MTB
2) rear road
3) rear mtb
4) rear special for trailer attachment
04-29-19, 02:34 PM
Replies: 29
Views: 1,296
Posted By dabac

Me, no. Me, no. Me, no. Me,...

Me, no.

Me, no.


Me, no.


Me, yes.
04-29-19, 02:23 PM
Replies: 6
Views: 1,106
Posted By dabac

With an ebike, you’re still lugging the battery...

With an ebike, you’re still lugging the battery and the motor around when the battery goes out. And some ebikes seem to have gearing ratio optimized for motor assist.
With that said, my mid-motor...
04-29-19, 02:05 PM
Replies: 5
Views: 322
Posted By dabac

It’s rarely financially sensible to replace hub...

It’s rarely financially sensible to replace hub in a working wheel.
Buy a complete new wheel instead.
If you want specific recommendations, post your preferred budget.
04-28-19, 03:21 PM
Replies: 29
Views: 1,296
Posted By dabac

I stupidly stuck to CB pedals when I added...

I stupidly stuck to CB pedals when I added commuting to my recreational riding. If I-now could send a message to me-then it’d be: ”choose Time”.
And yeah, bearings do wear out. Particularly the...
Forum: Touring
04-24-19, 07:37 AM
Replies: 19
Views: 1,193
Posted By dabac

Inverted, the front grip area gets a little...

Inverted, the front grip area gets a little easier on the wrists as it makes them rotate a little outwards.
At least I am very sensitive to this and very quickly get achy if my hands are rolled...
04-24-19, 07:33 AM
Replies: 22
Views: 1,116
Posted By dabac

Functionally, it doesn't matter. W/o any pinch...

Functionally, it doesn't matter.
W/o any pinch force behind, the friction generated is entirely unimportant for anything but the noise it makes.

Only ride windy days or in heavy traffic.
Hire...
04-05-19, 02:52 PM
Replies: 12
Views: 517
Posted By dabac

I made a calibration bar pretty much for the fun...

I made a calibration bar pretty much for the fun of it.
But actually using it has gotten pretty darn boring.
I’m sure it’s possible misuse a torque wrench until it goes way off, but mine seems to...
04-03-19, 02:51 AM
Replies: 13
Views: 768
Posted By dabac

I'm not entirely sure what part you're referring...

I'm not entirely sure what part you're referring to. "large threaded plate with two cut outs" sounds a bit like a lockring. But they generally have more than two cut outs.
For some bottom brackets,...
04-03-19, 02:39 AM
Replies: 121
Views: 5,798
Posted By dabac

I like the thumbs-forward hand position as...

I like the thumbs-forward hand position as offered by riding on the hoods.
But if I set the bar where my back is OK for extended riding on the hoods, then even minutes in the drops will send me into...
04-01-19, 02:05 PM
Replies: 23
Views: 672
Posted By dabac

IME tube patches are a bit hit-and-miss. Even...

IME tube patches are a bit hit-and-miss.
Even if I prep both tube and patch to the best of my ability and apply vulcanizing compound to both, I still get a patch that can easily be replaced.
I’ve...
03-22-19, 02:13 PM
Replies: 13
Views: 1,116
Posted By dabac

Too much mech advantage should yield good...

Too much mech advantage should yield good stopping but a mushy lever feel. And perhaps a sense of limited modulation.
My 1st suspiscion, after contamination of pads or rim, would be flex. Poor...
03-21-19, 03:45 AM
Replies: 6
Views: 380
Posted By dabac

Two theories: - When freewheels ruled the roost...

Two theories:
- When freewheels ruled the roost most freewheels were of a decent quality.
Now when F/Ws are mostly found on cheaper bikes, I suspect the average quality has gone down.
- Pretty...
03-09-19, 04:06 PM
Replies: 2
Views: 240
Posted By dabac

Depends. On a properly assembled and cared for...

Depends.
On a properly assembled and cared for bicycle, the washers should sit on the outside of the dropouts.

But it does happen that bikes bikes that has lived an ”interesting” life have rear...
03-05-19, 06:20 AM
Replies: 23
Views: 1,330
Posted By dabac

+1 A short, casual ride to limber up is...

+1
A short, casual ride to limber up is probably beneficial. But if you can't get the numbers up, there's very little point in pushing it.
´Course, some may suggest riding when it hurts the most...
03-02-19, 05:54 AM
Replies: 12
Views: 597
Posted By dabac

That will change the amount the derailer moves,...

That will change the amount the derailer moves, but will not change the amount of lever movement needed to go from one gear to the next for an indexed shifter. It would change the amount of lever...
02-26-19, 11:30 AM
Replies: 10
Views: 449
Posted By dabac

I’ve ground a number of cones using a drill press...

I’ve ground a number of cones using a drill press and a Dremel. Or a drill press and a sand paper rolled around a screwdriver blade. Doing it with a hand drill seems tedious, but not impossible. Cone...
Forum: Road Cycling
02-14-19, 03:41 AM
Replies: 8
Views: 424
Posted By dabac

You need to be aware of what the numbers refer...

You need to be aware of what the numbers refer to.
Most of the old rim and tire markings refer to the "working" diameter of the wheel - the diameter of the mounted and inflated tire.
So a skinny...
02-13-19, 03:52 AM
Replies: 8
Views: 587
Posted By dabac

Then last outboard BBs I've bought have simply...

Then last outboard BBs I've bought have simply come with two spacers for the DS and one spacer for the NDS.
For a 73 mm BB shell, and no BB mounted accessory, use no NDS spacer and one DS spacer....
Forum: Road Cycling
02-11-19, 06:11 AM
Replies: 29
Views: 1,215
Posted By dabac

+1 I think even the Sheldon site states that...

+1
I think even the Sheldon site states that the chart is conservative and that deviations rarely cause trouble.
02-08-19, 02:42 PM
Replies: 18
Views: 1,207
Posted By dabac

The general recommendation IMO is that is should...

The general recommendation IMO is that is should be possible to lift the chain about 1/2” mid-run at the tightest spot.
You can shrink this down a little If you’re real meticulous in checking that...
02-07-19, 01:00 AM
Replies: 12
Views: 571
Posted By dabac

In case of accidental back-pedalling, that’ll...

In case of accidental back-pedalling, that’ll generally lead to the hub turning on the axle instead of on the wheel bearing until a wheel bearing goes entirely, ride-stoppingly out of adjustment....
02-07-19, 12:52 AM
Replies: 12
Views: 571
Posted By dabac

You can open the hub and remove the brake shoes. ...

You can open the hub and remove the brake shoes.
But it will be a kinda-sorta fix. It won’t allow you to back-pedal like on a regular SS/derailer gear bike.
Mount a rear rim brake if you wish, but...
02-06-19, 09:47 AM
Replies: 5
Views: 415
Posted By dabac

+1

+1
02-05-19, 04:52 AM
Replies: 14
Views: 761
Posted By dabac

If you can't even see a chip in the...

If you can't even see a chip in the paint/clearcoat, don't worry about it.
02-04-19, 04:05 AM
Replies: 15
Views: 2,571
Posted By dabac

[[ A bit of all really. ”True” fixies require...

[[
A bit of all really.
”True” fixies require a hub with a threaded ”neck” around the wheel axle. This ”neck” should have two diameters, the smaller, outer one being reverse threaded to accept a...
02-01-19, 08:51 AM
Replies: 15
Views: 2,571
Posted By dabac

If you want belt drive, first thing is to look...

If you want belt drive, first thing is to look for frames that can take belt drives. You need a rear triangle that opens up. That should give you a width that works with suitable hubs...
Forum: BMX
01-29-19, 06:10 AM
Replies: 14
Views: 7,264
Posted By dabac

Sitting straight up is generally not such a hot...

Sitting straight up is generally not such a hot idea for longer rides as it puts more weight on your butt and makes it more difficult pedal effectively.
And increases air drag.

Seems like the Bad...
01-28-19, 06:31 AM
Replies: 10
Views: 1,364
Posted By dabac

I dunno. Have a look at the Yahoo answers site....

I dunno.
Have a look at the Yahoo answers site.
There, it seems like ”shooting the messenger” is VERY common.
Are we sure we are a so much nicer bunch here?
01-28-19, 06:24 AM
Replies: 25
Views: 1,050
Posted By dabac

Compared to general machinery, bicycle bearings...

Compared to general machinery, bicycle bearings tend to have an easy life.
Match the number(6902 etc) and the seal type and you should be good to go.
MTBers sometimes develop preferences WRT which...
01-24-19, 08:06 AM
Replies: 270
Views: 10,074
Posted By dabac

I usually keep a BSO or two around as errand...

I usually keep a BSO or two around as errand bikes. Something I dare leave by the train station a Friday/Saturday evening.
If I get them early enough, I can adjust and repack all bearings to get...
01-24-19, 07:06 AM
Replies: 35
Views: 1,797
Posted By dabac

I've never noticed anything functional about a...

I've never noticed anything functional about a chain that is more likely attributed to manufacturer than to status of upkeep and to degree of wear.
01-23-19, 09:05 AM
Replies: 26
Views: 630
Posted By dabac

WRT flanges failing, that happens occasionally....

WRT flanges failing, that happens occasionally. Usually due to light, marginally designed hubs, unsuitable spoke patterns, too high spoke tension/too thick spokes.
WRT spokes going tighter, that...
01-23-19, 08:52 AM
Replies: 270
Views: 10,074
Posted By dabac

I’m with you in general, but I really don’t know...

I’m with you in general, but I really don’t know if ”always work” and ”stamped metal calipers” can be used in the same sentence without something horrible happening to the fabric of reality....
...
01-22-19, 04:09 AM
Replies: 31
Views: 1,606
Posted By dabac

I think that's more of a happy coincidence. ...

I think that's more of a happy coincidence.

While it may be technically possible, that'd be such a rare event as to be entirely unimportant in the overall scale of things.

Taking the anecdotal...
01-21-19, 04:23 AM
Replies: 25
Views: 1,158
Posted By dabac

There's really no telling. Exercise bike is a ...

There's really no telling.
Exercise bike is a more "clinical" riding. I find it easier to do strict interval sessions on trainers. There's nothing distracting you from putting the power down....
01-21-19, 04:13 AM
Replies: 7
Views: 876
Posted By dabac

I hesitated for a year between building and...

I hesitated for a year between building and buying. Eventually a gov't subsidy in conjunction with a sale reduced the price gap too much for me to resist buying. Also contributing was that I wanted a...
01-21-19, 03:59 AM
Replies: 8
Views: 1,086
Posted By dabac

Sure, reality will trump theory in the end. But...

Sure, reality will trump theory in the end.
But what a gear calculator does is help you compare bikes with a considerable accuracy. Have a bike with a drivetrain that you like, write down the...
01-21-19, 03:04 AM
Replies: 12
Views: 642
Posted By dabac

If it comes from that in the store, there's...

If it comes from that in the store, there's really no excuse. Regardless of how young, inexperienced or lowly paid someone is, there is a chain of responsibility. Someone is being paid to make these...
01-20-19, 07:40 AM
Replies: 4
Views: 745
Posted By dabac

I’m not entirely clear on whst you mean by ”wheel...

I’m not entirely clear on whst you mean by ”wheel spoke guards”.
But as far as heel clearance goes, a fairly common fix is to take a length of threaded rod, rebar or similar piece of steel, bend it...
01-20-19, 06:02 AM
Replies: 31
Views: 1,606
Posted By dabac

The reason for crank threading is NOT the...

The reason for crank threading is NOT the bearings, not even with any planetary gear action.
In any healthy pedal, bearing friction is too low to overcome even very minor torque, regardless of for...
01-20-19, 04:27 AM
Replies: 20
Views: 881
Posted By dabac

”Strip” in this setting is generally used to mean...

”Strip” in this setting is generally used to mean threads pulling, or wearing out.
I assume you’re talking about destroying the fit at the square taper.
The most common cause of crankarms working...
01-18-19, 01:54 PM
Replies: 177
Views: 6,061
Posted By dabac

I really don’t understand the animosity against...

I really don’t understand the animosity against ebikes in general, and the desire to ban them on MUPs in particular.
If it moves at the speed of a bike, brakes and steers as a bike, who cares if the...
Forum: Touring
01-17-19, 05:12 AM
Replies: 59
Views: 2,739
Posted By dabac

Unlikely to work well on two accounts: - Racks...

Unlikely to work well on two accounts:
- Racks tend to be somewhat narrow at the front, I'm not sure a brake would fit in the bend
- even if you find one that can take your brake, or make some sort...
Forum: Touring
01-17-19, 05:02 AM
Replies: 59
Views: 2,739
Posted By dabac

There's really no set answer to that. With...

There's really no set answer to that.
With bikes, everything has been done on anything.
Around the world on a high-wheeler - sure.
Coast-to-coast(US) on a unicycle, naturally.
I think there's one...
01-16-19, 09:19 AM
Replies: 6
Views: 452
Posted By dabac

Bike parts are a lot more expensive bought...

Bike parts are a lot more expensive bought piecemeal than bought as a complete bike. Thorough upgrades are rarely economically sensible. Sora shifters tend to feel a bit plasticky, but is an...
01-15-19, 04:26 AM
Replies: 17
Views: 689
Posted By dabac

Depends on what you are talking about. Heated...

Depends on what you are talking about. Heated soles and gloves work OK. A heated vest would be more challenging, but they do exist.

I run my soles off 18650 cells, one for each foot.
0.8A gives...
01-14-19, 03:54 AM
Replies: 16
Views: 818
Posted By dabac

I don't know how all bikes are configured. ...

I don't know how all bikes are configured.
Maybe there are some where the placement of the cable stops make this an issue.
But I've crossed cables both along the top tubes and along the down tube...
01-08-19, 04:56 PM
Replies: 10
Views: 419
Posted By dabac

Ah, the Hovding. ( Or Hövding, originally). In...

Ah, the Hovding. ( Or Hövding, originally).
In all fairness, the manual states that it’s only supposed to be used/turned on when cycling, so it is a known weakness. There’s been some debate as to...
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