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The Bicycle (Specialty) Tools Thread

Grant Gunderson

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Do you guys actually torque brake line compression nuts? I'm all for doing things the right way but I cinch 'em up with an open end and move on with life.
Yes. 100% of the time. They dont seal unless you compress the Olive to the specified torque. Too little to too much will cause them too leak. Even if you are not visibly seeing seepage, its often enough to cause lever fade.
 
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F-22

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Used to chinch down everything by hand, but ultimately decided that if I have a torque wrench why not just use it... It takes all of the guessing out.
 

JradM

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Any recommendations for crimping wire end caps?

The Park Tools EP-1 looks pretty good - my only reservation is that I generally perceive Park Tools as overpriced for what you get. Still, $30-$40 Canadian for the right tool isn't insurmountable. I like that you can crimp the caps lengthwise.
end-cap-crimping-pliers-ep-1--3.jpg

NP-6 seems ok too.
park-tool-np-6.jpg
Just wondering if I'm overlooking something superior in that same price range.
 

Meursault74

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Any recommendations for crimping wire end caps?

The Park Tools EP-1 looks pretty good - my only reservation is that I generally perceive Park Tools as overpriced for what you get. Still, $30-$40 Canadian for the right tool isn't insurmountable. I like that you can crimp the caps lengthwise.
end-cap-crimping-pliers-ep-1--3.jpg

NP-6 seems ok too.
park-tool-np-6.jpg
Just wondering if I'm overlooking something superior in that same price range.
I have the EP-1. It works well and is a quality tool. Did I absolutely need it? Of course not. But it puts a better crimp than the electrical connector pliers I used for many years or the crimper on the cable cutter (which *****). If your choice is between those two. Get the crimper, not the needle nose pliers. I wouldn't buy any "generic" tool made by park.
 

duneslider

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I also have the EP-1 and like it much better than anything else I have used to date. If there is something better at doing this one function I haven't found it. My favorite part of it is the ability to hold it front facing and crimp it that way. I find that works best for dropper levers and other tight spaces. I like it enough I am going to get a second to keep in my travel kit.

I know PT gets a lot of **** on here, most PT stuff I have purchased works as intended and I haven't had any issues with most of it. Generally more expensive than I feel it should be but I have made worse decisions in my life. That said, I don't own a lot of PT stuff.
 

HannibalLecter

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The only better would be a crimping plier from Knipex, for electrical use, but I suspect no one wants to fork out 150€. There are copies in aliexpress though. And park has one as well.
1000132177.jpg
 

duneslider

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The only better would be a crimping plier from Knipex, for electrical use, but I suspect no one wants to fork out 150€. There are copies in aliexpress though. And park has one as well.
1000132177.jpg
These would work in some applications but would be tough in the tight spaces. I have these for electrical work but still don't pull them out to crimp ends.
 

HannibalLecter

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These would work in some applications but would be tough in the tight spaces. I have these for electrical work but still don't pull them out to crimp ends.
You asked and that's the next upgrade for the simple pliers. You can try and see how you liking it. I don't have these unfortunately, don't need them
 

Meursault74

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I also have the EP-1 and like it much better than anything else I have used to date. If there is something better at doing this one function I haven't found it. My favorite part of it is the ability to hold it front facing and crimp it that way. I find that works best for dropper levers and other tight spaces. I like it enough I am going to get a second to keep in my travel kit.

I know PT gets a lot of **** on here, most PT stuff I have purchased works as intended and I haven't had any issues with most of it. Generally more expensive than I feel it should be but I have made worse decisions in my life. That said, I don't own a lot of PT stuff.
I'm fine with the Park Tools I've purchased and used. I only buy their bike specific tools and have quite a few. I bought the EP-1 last year. I looked at my email invoice I got it for $24. I'm pretty sure I had a discount from the bike shop vendor, although I don't see it. Looks like it runs $33 now. It's a good quality pliers with a very niche use. So yeah it's going to cost more than some other plier of similar quality. As I said this was a "want" purchase vs a "need" purchase.

I can now crimp the FD cable on my roadbikes without the need to remove the wheel to allow me better access. How many times will I need to do that to make up that $24 :). It's easier to use in the other areas as well, but it's not like I'm doing this day in and day out. If I was, it would have more than paid for itself by now.
 

308guru

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Jun 17, 2017
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459
Does anyone have a suggestion on a budget hose cutter? I'm getting tired of using a razor blade.

Edit: I just thought of a possibility. I use a cutter like this for pneumatic tubing all of the time. I may give it a try on a scrap piece of hose tonight.

1757523849517.png
 

old-air-performance

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Mar 2, 2014
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Belgium
Elvedes crimping tool, been using this for years.
I have the knipex to, but for wire ends, the elvedes is more handy.
 

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JradM

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The only better would be a crimping plier from Knipex, for electrical use, but I suspect no one wants to fork out 150€. There are copies in aliexpress though. And park has one as well.
1000132177.jpg
Anyone tried the Klein version? I noticed they're SUBSTANTIALLY cheaper. The 34056 hex crimping pliers are $50 Canadian, the square-crimping version (34055) is a mere $35. These days you can't tell exactly what you're getting from Klein - there's no COO information on the website, so I assume these are Chinese-production. Still, it had me curious - that's not much more than the random-letter-company copies on Amazon.

1758052861915.jpeg
 

duneslider

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Anyone tried the Klein version? I noticed they're SUBSTANTIALLY cheaper. The 34056 hex crimping pliers are $50 Canadian, the square-crimping version (34055) is a mere $35. These days you can't tell exactly what you're getting from Klein - there's no COO information on the website, so I assume these are Chinese-production. Still, it had me curious - that's not much more than the random-letter-company copies on Amazon.

1758052861915.jpeg
I have a chinese version and a knipex version and both seem to work the same from my view point. I do not use these on bikes though. Work bought the knipex and I bought the chinese for home use. Fit and finish is better on the knipex.
 

shibertus

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Anyone have a recommendation for a tool to retract disc brake pistons? The SRAM piston press looks nice but it apparently will not fit in my Shimano calipers. Not sure if the Amazon clones are any good or more compatible. The Park PP-1.2 looks okay, but possibly not that much different than using any of the other prying tools I already have.
 

dscheidt

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Anyone have a recommendation for a tool to retract disc brake pistons? The SRAM piston press looks nice but it apparently will not fit in my Shimano calipers. Not sure if the Amazon clones are any good or more compatible. The Park PP-1.2 looks okay, but possibly not that much different than using any of the other prying tools I already have.
I’ve got the park tool. It works fine, but so do whole lot of other things. The one I have is a nicely chromed cast piece, that’s pitted like the surface of the moon. Doesn’t matter to how it works, but cheap looking.

I tend to use a small wrench.
 

Gebirgekind

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Montana
Anyone have a recommendation for a tool to retract disc brake pistons?
Pedros tire lever or a box end wrench - try to only use plastic on Shimanos, the ceramic pistons aren't difficult to crack. The PP-1.2 works best when the pads are still in and you're just resetting the rotor gap.
 

Odd-job

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The Park PP-1.2
The PP-1.2 works best when the pads are still in and you're just resetting the rotor gap.

Also use mine exclusively with the pads in when resetting the pistons with wheel swaps and changing flats. One benefit of having a dedicated tool for this is you don't accidentally contaminate the pads with a dirty tool.
 

Grant Gunderson

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I have the Park and the sram piston tools. I grab the Park for every brake job and push the pistons back as soon as I remove the wheel. I like the SRAM tool but it only fits a handful of brakes and it’s slower but is the ticket for very stubborn calipers. Might pick a second one up and machine it down to fit. I’ve also used a box end wrench and plastic tyre levers when needed too. If a caliper is stubborn opening up the lever bleed port and putting a funnel of fluid on it makes this job immensely easier. Plus a top bleed doesn’t hurt after a pad change.
 

HannibalLecter

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Anyone have a recommendation for a tool to retract disc brake pistons? The SRAM piston press looks nice but it apparently will not fit in my Shimano calipers. Not sure if the Amazon clones are any good or more compatible. The Park PP-1.2 looks okay, but possibly not that much different than using any of the other prying tools I already have.
I would buy this. Contrary to others that are just a lever this is an actual press. There were also some made of metal but I cant find them right nowScreenshot_20250920_172035_AliExpress.jpg
 

Odd-job

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semi proud of my 8mm line socket abomination while I wait for the tekton and Pedros I ordered. It works well. Eventually maybe I'll upgrade to the Koken version.

1758404573225.png

1758404610326.png

Also upgraded my chain checker to a Park CC-3.2 after I realized the new Shimano 12 speed stuff is only supposed to be run out to .5 stretch.

1758404947110.png

Made in the USA still:

1758404977273.png
 

HannibalLecter

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semi proud of my 8mm line socket abomination while I wait for the tekton and Pedros I ordered. It works well. Eventually maybe I'll upgrade to the Koken version.

1758404573225.png

1758404610326.png

Also upgraded my chain checker to a Park CC-3.2 after I realized the new Shimano 12 speed stuff is only supposed to be run out to .5 stretch.

1758404947110.png

Made in the USA still:

1758404977273.png
A heads up on the chain checkers in general.
The new 12 and 13 speed groupsets are very high Tolerance, 0.5 mark means changing the chain and maybe even the cassette (a very expensive ordain) in order to keep the crankset in pristine condition.
Additionally, for the sram flattop chains with oversized rollers, and quite probably for shimano, this style of chain checker is inappropriate.
The reason with oversized rollers is that they can <<mask>> chain wear and the chain checker prong may not get in but the chain could be in fact worn. This happens to chain checkers with two prongs. To compensate for this you need a 3 prong chain checker, like the shimano TL CN 42, or a park tool one. These measure on the same side of rollers, not on opposite side, thus measuring real chain wear (two prongs are spring loaded let's say and push the 3rd on the corresponding side of a roller) And at least the shimano one is a go-no go gauge, meaning there are no values, if the prong gets in thr chain is to be changed.
Sram explains it, the weird thing is that shimano offers also this style of tool, but they do not mention exactly why and to my knowledge only sram uses oversized chain rollers. However the shimano tool is cheap, made in Japan, of exceptional quality and the mating surfaces are actually ground, not just laser cut.87896_800x800@2x.jpg
 

Odd-job

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These measure on the same side of rollers, not on opposite side, thus measuring real chain wear

So let me confirm my understanding - the three prong chain checkers seem to isolate roller wear. So if the two prong ones also take into account roller wear they are in fact overestimating chain wear? Or did I get it backwards? Underestimating would be an issue in my mind and doesn't extreme roller wear indicate something bad?


switching to Shimano.

Am getting some pretty ridiculous chain durability on the Shimano 12 speed stuff. Pretty sure I was smoking 11 speed chains on my gravel bike fairly regularly and before that plenty of 10 speed Campy and KMC chains. Not sure if it is attributable to the fact that I am now upgrading to xtr/dura ace level. Whatever they are coating these chains must be doing the trick.
 

HannibalLecter

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Unfortunately SRAM T chains need replacing at ridiculously short intervals. After this race season wraps up, my son will be switching to Shimano. Transmission imo is a solution in search of a problem.
I do not think that is in general true. I'd suggest switching lubricants, maybe silca synergetic, or how it's called and staying away from anything too oily, like these abominations from muc off. On the road side of things there are people that get 4000kms from a single chain, with immersion waxing
 

HannibalLecter

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So let me confirm my understanding - the three prong chain checkers seem to isolate roller wear. So if the two prong ones also take into account roller wear they are in fact overestimating chain wear? Or did I get it backwards? Underestimating would be an issue in my mind and doesn't extreme roller wear indicate
The two prong ones measure on the opposite sides of the rollers. The chain wear occurs in the interface between the roller pins and the rollers (nothing stretches, that's a misconception)
If an oversized roller chain (oversized rollers add I think about 0.05mm per roller) ,so if you add 0.05+0.05 = 0.1mm off. Now, when you push the prongs in, this 0.1mm makes the gauge not go in, but the fact is that the chain is longer and it's worn. Because the 2 prong checker measures by touching on the opposite sides of rollers, in between, and this distance is smaller because of the oversized rollers. Maybe I'm wrong about the numbers, I forgot the exact sram roller dimension
 

slowtwitch73

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Am getting some pretty ridiculous chain durability on the Shimano 12 speed stuff. Pretty sure I was smoking 11 speed chains on my gravel bike fairly regularly and before that plenty of 10 speed Campy and KMC chains.
I generally agree, BUT the Shimano chains just keep going albeit in a worn state. T chains break. The inner surfaces look like they have beat with a ball peen hammer.

And the Simano just feels/shift better.
 
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