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Search: Posts Made By: dabac
Showing results 1 to 50 of 329
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09-14-22, 08:37 PM
Replies: 33
Views: 1,227
Posted By Andrew R Stewart

It all depends on the tire's fit to the rim. And...

It all depends on the tire's fit to the rim. And this is why this type of question has no answer that is correct for all the possible tire/rim combos, the tens of thousands of the combos... This is...
09-14-22, 09:11 AM
Replies: 28
Views: 1,218
Posted By FBinNY

First of all the chain may not be too long. ...

First of all the chain may not be too long.

Minimum chain length allows use of the big/big combo, ie. 48/32.

Maximum length allows small/small combo.

Anything between is acceptable, though...
09-13-22, 07:49 AM
Replies: 33
Views: 1,227
Posted By alcjphil

What size tire? What air pressure were you...

What size tire? What air pressure were you running?
Sometimes tires can creep on the rim if run at too low a pressure when you brake for extended periods
09-12-22, 11:43 AM
Replies: 2
Views: 729
Posted By HillRider

The bike has a threaded steerer and headset and...

The bike has a threaded steerer and headset and uses a quill stem. You will have to raise or remove the top conical cover to get to the lock nut and threaded top race.

BTW, that bike has disc...
09-12-22, 07:38 AM
Replies: 27
Views: 996
Posted By ClydeClydeson

Gear puller will work but (1) you have to put...

Gear puller will work but (1) you have to put something in/on the BB spindle to push against - a partially inserted crank bolt sticking out proud of the crank arm will work, and (2) you may need some...
09-10-22, 08:50 PM
Replies: 26
Views: 1,563
Posted By cyccommute

“Missing teeth” on chainwheels usually aren’t...

“Missing teeth” on chainwheels usually aren’t missing. That’s a design feature, although a fairly early one. The flattened teeth are meant to aid in shifting by releasing the chain easier on shifts.
09-07-22, 08:50 AM
Replies: 4
Views: 297
Posted By Andrew R Stewart

About the biggest bang for a buck in making a...

About the biggest bang for a buck in making a bike a nicer ride is the tires. However for an urban transportation bike running lightweight tires that are supple will likely increase the rate of flat...
09-06-22, 09:51 AM
Replies: 445
Views: 19,223
Posted By msu2001la

E-bikes are fun to ride. I would've absolutely...

E-bikes are fun to ride. I would've absolutely wanted something like that when I was a kid. I didn't care about the "physical fitness" aspect of cycling until I was much older. I rode bikes because...
09-04-22, 07:55 PM
Replies: 25
Views: 1,018
Posted By juvela

----- moot reuse of spokes increases...

-----

moot

reuse of spokes increases likelihood of spoke breakages

some enthusiasts do it all the time

some enthusiasts would na'er do it
08-28-22, 01:04 PM
Replies: 13
Views: 352
Posted By Bill Kapaun

I'm an old guy with bad knees. Anything beyond a...

I'm an old guy with bad knees. Anything beyond a 165mm length causes pain.
You'll be able to spin 170's a bit faster, but need a slightly lower gear, because of the slight decrease in leverage.
If...
08-27-22, 10:23 AM
Replies: 27
Views: 1,681
Posted By mdarnton

Seems a bit extreme, but I like the idea that...

Seems a bit extreme, but I like the idea that someone stepped up and did something.
06-16-22, 04:55 PM
Replies: 134
Views: 7,360
Posted By urbanknight

Stupidest thing was a guy in a pick-up telling me...

Stupidest thing was a guy in a pick-up telling me I shouldn't ride during that time of day or in that direction (I was commuting from work) as he almost ran me over because he couldn't see me with...
06-15-22, 01:42 PM
Replies: 28
Views: 1,462
Posted By cxwrench

Wow, an entire dozen? I promise they would have...

Wow, an entire dozen? I promise they would have been better if you'd had some way to judge tension. I've built close to 2000 and use one on every wheel I build or true.
06-14-22, 09:51 AM
Replies: 28
Views: 1,462
Posted By ThermionicScott

For what it's worth, Weinmann recommends a 120kgf...

For what it's worth, Weinmann recommends a 120kgf max for most of the single-walled rims I see on their site (couldn't find the 1900.) It's normal for rear wheels to have a healthy difference in...
06-14-22, 07:21 AM
Replies: 28
Views: 1,462
Posted By pdlamb

140 kgf sounds pretty high to me. I'd try to...

140 kgf sounds pretty high to me. I'd try to take it down to 120 kgf tops, 110 would be better.

Non-drive side tension will be what it needs to be to get the dish straight. (That's why some...
06-12-22, 08:05 PM
Replies: 15
Views: 1,774
Posted By DiabloScott

Yeah probably the B screw at least. Also maybe...

Yeah probably the B screw at least. Also maybe chain length is too short now. Also maybe chain was worn out/worn in to your old cassette and you need a new one anyway.
06-12-22, 08:03 PM
Replies: 15
Views: 1,774
Posted By Rolla

How's the chain length and condition?

How's the chain length and condition?
06-11-22, 03:45 PM
Replies: 86
Views: 2,745
Posted By Mojo31

Neither. Save the coins for the better bike...

Neither. Save the coins for the better bike you’ll inevitably want.
06-08-22, 05:24 AM
Replies: 19
Views: 860
Posted By base2

I'm not seeing the issue. The circumferential...

I'm not seeing the issue. The circumferential texture is from machining during manufacture.

Your post & seat tube should be greased though. Any generic plain bearing grease ought to work well...
06-05-22, 05:08 PM
Replies: 6
Views: 423
Posted By Crankycrank

I tried the old-tube-scraps-patch trick, and it...

I tried the old-tube-scraps-patch trick, and it was iffy at best. You need to clean off one side of the patch real well, then scuff it up, then use some proper vulcanizing fluid, clamp for a little...
06-05-22, 10:13 AM
Replies: 24
Views: 1,929
Posted By RustyJames

I have a similar vintage Allez that I bought last...

I have a similar vintage Allez that I bought last year so I’m familiar with your bike. (Mine is an “Elite” so it is mostly Shimano 105 with an FSA Gossamer crankset.)

I think before you start...
06-04-22, 11:01 AM
Replies: 7
Views: 396
Posted By TiHabanero

I use a mix of mineral spirits and ATF. 80/20...

I use a mix of mineral spirits and ATF. 80/20 mineral spirits to ATF. Works well and provides a very light lubrication. I flood the interior and work the levers until they work free. Sometimes the...
06-04-22, 08:17 AM
Replies: 24
Views: 1,929
Posted By Ross200

+1 on a better bike shop. 9 speed triple...

+1 on a better bike shop. 9 speed triple drivetrain parts are still made and as available as anything else in the current market. The idea of charging extra is a big red flag for me.
06-04-22, 07:45 AM
Replies: 24
Views: 1,929
Posted By Barry2

Find a better bike store. Find one that at...

Find a better bike store.
Find one that at least wishes to see the bike before condemning the drivetrain to total replacement, and offering to sell the the parts and labor.

Barry
06-02-22, 08:01 AM
Replies: 23
Views: 740
Posted By Andrew R Stewart

" frame size should not be the limit." PM ...

" frame size should not be the limit." PM

And why should this be the case? Were it a truth we could all be riding around on the same size bike that a 4 year old fits, and thus take advantage of...
06-01-22, 02:50 PM
Replies: 23
Views: 740
Posted By soyabean

Seatposts that require the 14mm nut seat clamps...

Seatposts that require the 14mm nut seat clamps are made with thin cheapie steel that is very soft.

Modern aluminum seatposts with the seat mounts will be stronger because it'll be a lot thicker....
06-01-22, 02:24 PM
Replies: 23
Views: 740
Posted By Rolla

That looks like way too much seatpost exposed...

That looks like way too much seatpost exposed above the collar, but it's also pretty much the lowest-common-denominator style of seatpost. Get a 400mm+ seatpost that's made out of aluminum and has a...
05-31-22, 07:41 AM
Replies: 19
Views: 860
Posted By Crankycrank

I think if the bikes are new, you should take it...

I think if the bikes are new, you should take it back to the shop and let them handle it since even though this is a pretty simple problem if anything were to get damaged while you were trying to...
05-31-22, 06:53 AM
Replies: 19
Views: 860
Posted By dedhed

The vise holds the seatpost and the frame gives...

The vise holds the seatpost and the frame gives you a big handle to turn & pull. Much bigger than holding the frame and pulling on the seatpost.
05-16-22, 01:08 PM
Replies: 27
Views: 1,755
Posted By bboy314

The rear shifting should be compatible up to 10sp...

The rear shifting should be compatible up to 10sp road or 9sp mountain, front might be trickier. We are using a Deore 9sp front trigger shifter with Ultegra 10 speed front derailleur on our tandem,...
Forum: Road Cycling
05-16-22, 12:14 PM
Replies: 75
Views: 3,258
Posted By ClydeClydeson

Yes, discs get hot, sometimes very hot, and yes,...

Yes, discs get hot, sometimes very hot, and yes, sometimes hot enough to cause braking issues. No, that heat will not be sufficiently transferred (through the 'spider' on the rotor and through the...
Forum: Road Cycling
05-16-22, 12:00 PM
Replies: 75
Views: 3,258
Posted By cxwrench

I was a pro team mechanic for over a decade and...

I was a pro team mechanic for over a decade and I'll just say this: Pro racers are some of the most ignorant, under educated, know-nothings when it comes to bicycles that I've ever had the pleasure...
Forum: Road Cycling
05-16-22, 08:09 AM
Replies: 75
Views: 3,258
Posted By WhyFi

:roflmao2:

:roflmao2:
05-13-22, 05:52 AM
Replies: 11
Views: 475
Posted By Koyote

Looks like it’s the rear tire…? If so, I’d run...

Looks like it’s the rear tire…? If so, I’d run it. Worst that happens is it goes flat while you’re riding and you put in a tube. It’s highly unlikely to cause you to crash or anything else...
05-07-22, 11:51 AM
Replies: 14
Views: 1,012
Posted By 70sSanO

Whether it is called tension or effective length...

Whether it is called tension or effective length is moot.

When you use the barrel adjuster it is called effective length, but turning a spoke nipple is changing the tension, even though it is...
05-07-22, 09:13 AM
Replies: 14
Views: 1,012
Posted By 70sSanO

The first principle is to understand that an...

The first principle is to understand that an index system has a starting point and every shift references from that starting point.

For standard top normal rear derailleurs that starting point is...
05-02-22, 01:45 PM
Replies: 1
Views: 229
Posted By Rolla

You need the rigid fork to match the length of...

You need the rigid fork to match the length of the suspension fork, and you'll need to ensure that the new fork has the same kind of dropouts, the correct steering tube diameter, and accommodations...
05-01-22, 06:36 PM
Replies: 49
Views: 2,995
Posted By sweeks

The image looks much more consistent with a...

The image looks much more consistent with a problem with the metal, irrespective of any chemical exposure. Could the cracks seen in the image have been caused by the insertion of the pins in the side...
05-01-22, 02:33 PM
Replies: 4
Views: 935
Posted By Jeff Neese

It's not a choice you need to make, if you are...

It's not a choice you need to make, if you are refurbing a bike and using the existing wheels. Use whatever the rims are made for. There are adapters that let you use presta tubes in a rim drilled...
04-29-22, 08:32 AM
Replies: 14
Views: 920
Posted By Iride01

Step throughs will generally be heavy. If it's...

Step throughs will generally be heavy. If it's expected that the current bike will still be used after recovery, then isn't just leaning the bike way over towards her to put the saddle low enough...
04-28-22, 05:01 PM
Replies: 42
Views: 1,458
Posted By Camilo

He's not saying he wants to reuse a master link....

He's not saying he wants to reuse a master link. He's saying he broke the chain by pushing out a pin, and then pushing the pin back in -like we used to do in the (very) old days.

With modern...
04-28-22, 07:14 AM
Replies: 19
Views: 1,177
Posted By Trsnrtr

You can enlarge the valve hole with a hand reamer...

You can enlarge the valve hole with a hand reamer or a drill.
04-28-22, 06:47 AM
Replies: 42
Views: 1,458
Posted By ClydeClydeson

Kai Winters is 100% Incorrect - modern chains...

Kai Winters is 100% Incorrect - modern chains (anything intended for more than 6 speeds) have the pin peened when assembled at the factory and removing a pin and reinserting will leave the joint too...
04-28-22, 05:55 AM
Replies: 42
Views: 1,458
Posted By delbiker1

IMO, the above post is not accurate. It might or...

IMO, the above post is not accurate. It might or might not hold. Do not be surprised if the chain comes off during a ride, reused pins usually do not seat properly. If/when that happens, a lot of...
04-19-22, 08:50 PM
Replies: 18
Views: 996
Posted By Russ Roth

Nope, hubs with rubber shields have grooves the...

Nope, hubs with rubber shields have grooves the rubber can run in while ones without don't have good ways of sealing them to the hub. Most with boots also use a larger washer and specific spacers to...
04-18-22, 01:26 AM
Replies: 20
Views: 1,921
Posted By Bike Gremlin

I would expect 1-1/8 threadless cups to fit that...

I would expect 1-1/8 threadless cups to fit that frame, along with a fork that is not tapered.

Does ATC stand for Axle To Crown?
If yes, then know that a shorter fork will tilt the entire bike...
04-17-22, 10:58 AM
Replies: 14
Views: 491
Posted By _ForceD_

Your chain tool is designed to fix this problem....

Your chain tool is designed to fix this problem. Vid at this link shows how to do it.
https://www.youtube.com/watch?v=25gP6PmxhKI
Dan
04-16-22, 05:00 PM
Replies: 14
Views: 491
Posted By CliffordK

Can you actually feel one of the links near the...

Can you actually feel one of the links near the problem being stiff?

Usually wiggling and lubing the link helps. WD40 or your favorite spray lube?

If the problem occurs at the splice, then the...
04-14-22, 08:35 PM
Replies: 15
Views: 928
Posted By SpedFast

The tin on a car body is thin, soft, and flexible...

The tin on a car body is thin, soft, and flexible compared to tubing on a bike. Car body not structural per se. Bike frame structural, Good luck
04-14-22, 11:09 AM
Replies: 55
Views: 5,023
Posted By Rolla

Heat shrink tubing?

Heat shrink tubing?
Showing results 1 to 50 of 329
 


 
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