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Search: Posts Made By: Crankycrank
Showing results 1 to 50 of 1000
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Forum: Bicycle Mechanics
04-26-24, 04:24 PM
Replies: 15
Views: 213
Posted By Troul

might have too much chain slack

might have too much chain slack
Forum: Bicycle Mechanics
04-25-24, 09:55 AM
Replies: 52
Views: 1,476
Posted By BillyD

Does anybody ever tire of arguing and just drop a...

Does anybody ever tire of arguing and just drop a discussion that's not going anywhere? Oh wait, my bad, how can one build a reputation if you let your opponent think he won?

Sad.

Closed.
Forum: Bicycle Mechanics
04-24-24, 09:23 PM
Replies: 29
Views: 471
Posted By veganbikes

Getting over two pages when all that is needed is...

Getting over two pages when all that is needed is this still: https://problemsolversbike.com/products/locking-headset-spacer. No messing with other spacers, no taping, no glueing, no worries about...
Forum: Bicycle Mechanics
04-24-24, 02:17 AM
Replies: 52
Views: 1,476
Posted By Duragrouch

Slightly different model of the same rear...

Slightly different model of the same rear derailleur below. I also suspected chain too short. However, my own philosophy is not, to make the chain as short as possible (big/big combo plus a couple...
Forum: Bicycle Mechanics
04-23-24, 07:26 PM
Replies: 29
Views: 471
Posted By Kontact

You don't clamp this with 5nM of force. You just...

You don't clamp this with 5nM of force. You just tighten it enough to not slide when the stem is off and the bike has no weight on it. In fact, you could leave it just snug when riding, but only...
Forum: Bicycle Mechanics
04-23-24, 03:12 PM
Replies: 2
Views: 160
Posted By FBinNY

It's a customizable trade off between light...

It's a customizable trade off between light action, and enough return spring force to shift crisply. If you're someone that helps by easing up on the pedals to shift, then the light action is for...
Forum: Bicycle Mechanics
04-23-24, 12:09 PM
Replies: 52
Views: 1,476
Posted By Barry2

OK, fun time over.. After all this is their...

OK, fun time over..

After all this is their first ever post at Bike Forums.


King Friday , Welcome to bike forums (and our sad sense of humor)

When sizing a chain it needs to be long enough...
Forum: Bicycle Mechanics
04-23-24, 12:00 PM
Replies: 52
Views: 1,476
Posted By Kontact

Wait, are you saying the chain is too short? Like...

Wait, are you saying the chain is too short? Like it isn't long enough?
Forum: Bicycle Mechanics
04-23-24, 11:53 AM
Replies: 52
Views: 1,476
Posted By Barry2

I don't think it's been mentioned, but your chain...

I don't think it's been mentioned, but your chain is TOO SHORT

THIS (https://www.parktool.com/en-us/blog/repair-help/chain-length-sizing) is how to size the chain to length. <<clickable link
...
Forum: Bicycle Mechanics
04-23-24, 11:20 AM
Replies: 52
Views: 1,476
Posted By smd4

Curious as to how this chain was sized...

Curious as to how this chain was sized...
Forum: Bicycle Mechanics
04-23-24, 11:14 AM
Replies: 52
Views: 1,476
Posted By FBinNY

+1 Chain's unbelievably short. ...

+1

Chain's unbelievably short.

Unbelievable because I'm amazed you lasted a month before this happened.

When you cut it longer, the minimum acceptable length is so it can loop the big/big...
Forum: Bicycle Mechanics
04-23-24, 11:08 AM
Replies: 52
Views: 1,476
Posted By Kontact

The chain is too short.

The chain is too short.
Forum: Bicycle Mechanics
04-23-24, 11:08 AM
Replies: 52
Views: 1,476
Posted By smd4

Looks like the chain is way too short to me.

Looks like the chain is way too short to me.
Forum: Bicycle Mechanics
04-23-24, 07:45 AM
Replies: 29
Views: 471
Posted By veganbikes

Why? Just get a locking headset spacer and done....

Why? Just get a locking headset spacer and done. Problem Solvers makes one: https://problemsolversbike.com/products/locking-headset-spacer and it is designed for exactly what you are doing. No need...
Forum: Bicycle Mechanics
04-23-24, 07:34 AM
Replies: 25
Views: 539
Posted By shelbyfv

FWIW, they resemble Phillips but aren't. Best to...

FWIW, they resemble Phillips but aren't. Best to use a flat head unless you can source the proper driver. They are easy to bugger with a Phillips.
Forum: Bicycle Mechanics
04-22-24, 05:46 PM
Replies: 35
Views: 907
Posted By veganbikes

Install the tube as normal with the tire and then...

Install the tube as normal with the tire and then post the results. Showing more pictures of a tube around a rim doesn't solve your problem. Put one half of the tire on, then put a lightly inflated...
Forum: Bicycle Mechanics
04-22-24, 05:16 AM
Replies: 35
Views: 907
Posted By smd4

There’s no problem with the second tube. You...

There’s no problem with the second tube. You won’t need to fold it on itself. You’re way overthinking this.
Forum: Bicycle Mechanics
04-21-24, 04:29 PM
Replies: 35
Views: 907
Posted By tFUnK

You just want to put enough air for it to take...

You just want to put enough air for it to take shape. Like 3-4 strokes on a mini pump, or 1 stroke on a floor pump.
Forum: Bicycle Mechanics
04-21-24, 03:37 PM
Replies: 17
Views: 463
Posted By FBinNY

If the clamp is replaceable, and replacements are...

If the clamp is replaceable, and replacements are available, the solution is simple.

Disregard the spec and tighten the clamp enough to do the job. If you cannot turn the bolt tight enough to hold...
Forum: Bicycle Mechanics
04-21-24, 02:20 PM
Replies: 35
Views: 907
Posted By ThermionicScott

I think pretty much every tube I've inflated...

I think pretty much every tube I've inflated outside of a tire ends up with a bigger OD than the tire. When confined by the tire, it expands inward and... works.
Forum: Bicycle Mechanics
04-21-24, 02:03 PM
Replies: 35
Views: 907
Posted By mpetry912

suggest you use LESS pressure - just a few PSI -...

suggest you use LESS pressure - just a few PSI - when installing.

these tubes are quite stretchy

/markp
Forum: Bicycle Mechanics
04-20-24, 12:23 PM
Replies: 5
Views: 226
Posted By KCT1986

For the RD-570?-? series, there are differences...

For the RD-570?-? series, there are differences in the cage of the models. 1st model was RD-5700. The 2nd version, (5700-A,) uses a different cage that is slightly longer between pulleys, and the...
Forum: Bicycle Mechanics
04-20-24, 07:07 AM
Replies: 17
Views: 463
Posted By rm -rf

What frame and what seatpost do you have? Post a...

What frame and what seatpost do you have? Post a photo of the clamp, including the frame slot below it.

Years ago, on a previous bike when it was new, the seatpost was slowly creeping downward...
Forum: Bicycle Mechanics
04-20-24, 05:56 AM
Replies: 17
Views: 463
Posted By bboy314

First check that you’re using the correct size...

First check that you’re using the correct size seat post. What material are the frame and post? If metal, try tightening a little more. A different clamp may help too.
Forum: Bicycle Mechanics
04-19-24, 12:34 PM
Replies: 43
Views: 1,192
Posted By KCT1986

Something to double check is if the RD is...

Something to double check is if the RD is installed correctly. The attachment of the bracket axle unit (the upper link) to the frame's hanger looks a little more vertical than common. And also the...
Forum: Bicycle Mechanics
04-19-24, 11:57 AM
Replies: 43
Views: 1,192
Posted By grumpus

The chain length is correct for big/big, you...

The chain length is correct for big/big, you shouldn't/can't shorten it. With luck cranking in the B screw will help clearance and tension on the small ring - if it doesn't go quite far enough you...
Forum: Bicycle Mechanics
04-18-24, 06:58 PM
Replies: 13
Views: 446
Posted By dedhed

I believe you nailed it. ...

I believe you nailed it.
...
Forum: Bicycle Mechanics
04-18-24, 04:22 PM
Replies: 13
Views: 446
Posted By Bergz

Rivendell?

Rivendell?
Forum: Bicycle Mechanics
04-18-24, 11:17 AM
Replies: 25
Views: 738
Posted By nathand

I've been happy with the Columbus Minimal...

I've been happy with the Columbus Minimal (https://www.columbus1919.com/en/portfolio/minimal-en/) carbon fork (1" threadless) that I put on my mid-90's Dean... but looks like they're expensive these...
Forum: Bicycle Mechanics
04-17-24, 09:53 PM
Replies: 22
Views: 725
Posted By 79pmooney

juntjoo, tell us more about what you are wanting...

juntjoo, tell us more about what you are wanting to do. Yes, some here will consider nearly anything you want to know a dumb question but others want to help. And there is a lot of knowledge here....
Forum: Bicycle Mechanics
04-17-24, 08:27 PM
Replies: 22
Views: 725
Posted By bboy314

The best way probably begins with a more detailed...

The best way probably begins with a more detailed question.
Forum: Bicycle Mechanics
04-17-24, 02:30 PM
Replies: 3
Views: 269
Posted By soyabean

The shifter is a SRAM Attack, has a 2:1 ratio,...

The shifter is a SRAM Attack, has a 2:1 ratio, and is said to be compatible with Shimano RDs.

The SRAM 9.0 T500-535-4 is a RD with a ESP 1:1 actuation design.

Both shifters look old and...
Forum: Bicycle Mechanics
04-17-24, 02:07 PM
Replies: 3
Views: 269
Posted By Arrowana

Sram also makes shifters that work with Shimano...

Sram also makes shifters that work with Shimano derailleurs, you probably have one. A Sram grip shifter intended to work with a Sram 8/9 speed derailleur will usually have 3.0, 4.0, 5.0 or other...
Forum: Bicycle Mechanics
04-17-24, 09:55 AM
Replies: 2
Views: 216
Posted By KerryIrons

Short answer is NO. While they are both 5 bolt...

Short answer is NO. While they are both 5 bolt rings, the Campy design uses the crank arm as the 5th and the chain ring has a specific difference for that mounting. Further, your photo is of a...
Forum: Bicycle Mechanics
04-16-24, 10:33 PM
Replies: 30
Views: 1,258
Posted By FBinNY

This is a freak kind of thing. While those of...

This is a freak kind of thing. While those of who've been around long enough have seen a few cracked plates, almost exclusively outer, it's not a common thing.

So, other than standard care in...
Forum: Bicycle Mechanics
04-16-24, 05:22 AM
Replies: 4
Views: 265
Posted By BTinNYC

Why buy new chainrings? I would definitely try...

Why buy new chainrings? I would definitely try the existing before buying. Cranksets, in my experience, are very interchangeable across different groupsets. If a 10 speed chain can fall between the 8...
Forum: Bicycle Mechanics
04-16-24, 02:44 AM
Replies: 30
Views: 1,258
Posted By gearbasher

The plate was damaged when the chain was "cut" to...

The plate was damaged when the chain was "cut" to length? That link is where a pin would have been pushed out.
Forum: Bicycle Mechanics
04-15-24, 09:01 PM
Replies: 10
Views: 469
Posted By Kontact

Greased screw threads don't rust. Don't overthink...

Greased screw threads don't rust. Don't overthink this.
Forum: Bicycle Mechanics
04-15-24, 01:08 PM
Replies: 15
Views: 483
Posted By grumpus

The cable is probably repairable, I'd try if it...

The cable is probably repairable, I'd try if it was mine but I wouldn't offer to do it for a customer because it would be time consuming and not guaranteed, and isn't the lever broken anyway?
Forum: Bicycle Mechanics
04-15-24, 04:41 AM
Replies: 15
Views: 483
Posted By dedhed

I personally would try fixing it because (A) I'm...

I personally would try fixing it because (A) I'm cheap (B) Challenge, fully knowing I'll likely 99/100 need a new one.
Probably after I already had a new one on the way for use as a "spare"
I've...
Forum: Bicycle Mechanics
04-13-24, 08:04 PM
Replies: 10
Views: 853
Posted By veganbikes

In situations like this always go to. your local...

In situations like this always go to. your local shop and have them measure or confirm measurements, they probably also have a seatpost in stock or can get one pretty easily and help install.

We...
Forum: Bicycle Mechanics
04-13-24, 09:05 AM
Replies: 10
Views: 853
Posted By soyabean

The 31.6 stamped on the seatclamp is the correct...

The 31.6 stamped on the seatclamp is the correct ID diameter of the seatclamp for the correct OD diameter of the frame's seattube, which is not and NEVER the OD diameter of the seatpost.

My...
Forum: Bicycle Mechanics
04-13-24, 08:22 AM
Replies: 10
Views: 423
Posted By FBinNY

Assuming you transferred thr cassette, we can...

Assuming you transferred thr cassette, we can rule that out. Likewise, I'd discount the hub or freehub, since they don't usually factor into a shifting.

However, hubs are not all precisely...
Forum: Bicycle Mechanics
04-12-24, 08:22 PM
Replies: 8
Views: 393
Posted By Andrew R Stewart

Unless the rivet in question is joining the cog...

Unless the rivet in question is joining the cog with a spyder/carrier. Andy
Forum: Bicycle Mechanics
04-12-24, 08:20 PM
Replies: 8
Views: 393
Posted By Andrew R Stewart

Yes. You might not have the tooling or skills. or...

Yes. You might not have the tooling or skills. or you might not be able to create a rivet with the minimal heads that the common cassette ones have. (Specific rivets for the application using...
Forum: Bicycle Mechanics
04-12-24, 06:33 AM
Replies: 12
Views: 441
Posted By Kontact

There are many different types of hub...

There are many different types of hub construction, but looking at your end caps leads me to believe that this is the type you insert a 5mm allen wrench in both sides and turn CC to loosen. There may...
Forum: Bicycle Mechanics
04-11-24, 11:46 AM
Replies: 5
Views: 206
Posted By Andrew R Stewart

Have you asked any bike shops if they can install...

Have you asked any bike shops if they can install a Helicoil? Some shops are good with this repair method, others would rather just sell a new arm. When done properly a Helicoil is stronger than the...
Forum: Bicycle Mechanics
04-11-24, 11:42 AM
Replies: 23
Views: 502
Posted By Andrew R Stewart

Really?? Common fact that molds and dies wear,...

Really?? Common fact that molds and dies wear, pre molded material mix varies the density somewhat with each batch, woven fibers vary some as well as their woven "tightness". It's called...
Forum: Bicycle Mechanics
04-11-24, 10:59 AM
Replies: 23
Views: 502
Posted By bboy314

Easy - 16g of thread have rubbed off of the...

Easy - 16g of thread have rubbed off of the previous owner’s shorts onto the saddle :D
Forum: Bicycle Mechanics
04-11-24, 09:17 AM
Replies: 23
Views: 502
Posted By delbiker1

Really? Rarely, at least in the bike world, will...

Really? Rarely, at least in the bike world, will anyone find items of any kind that exactly match the stated/listed weight. 16 grams is minuscule, not noticeable on a bike. It could even be your...
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