Ask A Wrench Episode 07: IS & PM Brake Adapters
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- เผยแพร่เมื่อ 21 ม.ค. 2014
- In episode 7 of our Ask a Wrench Series, Seth gives you a bit of history on how the International Standard (IS) disc brake mount came about, and how you can tell the IS apart from a PM mount on your fork or frame.
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super helpful!! :D Love to see some people truly sit down and really explain stuff! :) Helped a lot!!!
Thank you very much, extremely helpful. Was a little confused as to which mount I needed but now it's clear. Looking to get a 203mm rotor on my All-Mountain machine!
World class presentation and information. Absolutely excellent. Thank you.
What an excellent explanation. Exactly what I was looking for. Thanks!
Subscribed because of this! Thank you very much for clearing my mind about PM and IS adapters!
Excellent video thanks so much for explaining all that so clearly...really appreciate it
Thanks for making this video. I found it very helpful...
Thx for the overview, very nice!
Incredibly well presented.
Thank you so much! This is exactly the information I was looking for as I have an old promax disc brake and its a relic I guess or whatever because it's an IS mount
Great episode, wish you had zoomed on the calipers though.
thank you for the great information.
yes feel so much better now about all this adaptor crazyness
Hello, I look forward to to the next video on correct adapter for SRAM vs Shimano for various forks and frames. Cheers from Canada
thank you for this 👍👍👍
Very helpful
When is this later episode coming with explanations of the adapter offset? :)
5 years later still waiting
@@scoherreriawelding1392 looking forward to this next installment. Episode 1 ended on a cliffhanger. Can't wait!
2021 and still waiting :P
Thank you very much
its so uncommon to see such a detailed explanation now a days on youtube
thx
@10:21: You said multiple times in the video that you will make another episode to discuss more about the adapter offsets amongst other related topics. 6 years fast-forward, where is that video?
Shailen Sobhee 👍🏽
He lost his job. Word has it he is enjoying his unemployment bonus to this day.
Thank you very much for the info. Tried to find the follow up video but sadly didn't have much luck. Thank you all the same good sir :)
is it possible to make a 35mm flat mount road caliper fit a 75mm post mount mtb frame?
Kudos! I have a question though.. If my frame already has a IS that accommodates 180mm max rotor size, what adaptor do i need to use to be able to mount shimano saint brakes (post mount) with 180mm disc?
Just the info I was looking for. But I may have missed a good point. What size shimano adapter is good for a 160 rotor and caliper for the rear wheel? All purchased in the same set.
Great video!! Please how would I know which mounting adapter to choose? I want to install a 220mm rotor to the Orbea Rise M20, it comes with 180mm rotors. Thanks in advance!
this is incredibly informative! did you end up doing the 2nd video referred to in this one?
Joseph Gateri no 6 years waiting 🤨
If got a mtb it has a 180 mm disc with postmount at the front and at the rear a 160mm disc with is. So you know witch Adapters would fit?
@JensonUSA Where can I get adaptors to mount an IS caliper to a post mount frame/fork?
Hi. I have post mount pm160mm forks. I want to use 203mm rotor. What adapter do I need ?
You need a second pair of hands to zoom your camera in. Couldn't really get a good look(on phone) Apart from that this helped me right out, thank you.
Is flat mount the same as post mount?
Is there an adapter for IS frame to flat mount brake like shimano 105?
Great explanation. On my bike I have this second adapter that you mentioned, Avid Adapter Postmount 40 P für +40mm Disc Rotors.
Now I would like to change the groupset to Shimano. Will use 203mm rotors, but it is really confusing what is the right adapter from shimano to replace this setup from Sram. Front fork is RockShox Sektor RL DebonAir with Brake Mount: disc PM6 (direct mount 160 mm).
So I was guessing for the front this should be right one?
160 mm fork mount:
Shimano SM-MA-F203P/P2 - for using a 203 mm brake disc
Thank You
Hey Tomy Boy! Glad the video helped. Based on your description of your setup, it sounds like you need this adapter: www.jensonusa.com/Shimano-F203PP-Disc-Brake-Adapter. This is for a Post Mount fork with 160 native going to a 203mm rotor size. If you need any further guidance, give our Gear Advisors a cal at 888.880.3811. Keep Pedaling!
Thank you for your quick reply.
Well on my bike that is still arriving I must say Turbo LEVO FSR 2019. 😊 and would like to change components while still new and the bike is at the shop mechanic.
This are the screenshots I could took from some video presentation of the bike. You are right regarding front adapter.
shrani.si/f/2O/YL/2cBVMZ6S/screenshot-75.png
On the rear I can not see clearly. Sorry did find any useful pictures online, the bike was revealed this week.
shrani.si/f/3Q/BE/1bvhCY0P/screenshot-77.png
Do you think this adapter Shimano SM-MA-F203P/P would be also the same on the back? You have two other options for 203 on the site, but they are native 180mm.
www.jensonusa.com/Shimano-F203PPM-Disc-Brake-Adaptor
www.jensonusa.com/Shimano-XTR-F203PP-Disc-Brake-Adaptor
On the back it probably doesn't have native 180mm?
Thanks for any advice regarding my inquiry.
wouldn't have an slotted IS mount been optimal? Looking at the 5:50 set up, the force is acting perpendicular so no danger of it moving down a slotted IS, while allowing range for all rotor sizes.
Still waiting for the adapter offset. 6 years later
Would have been better to have close up shots when you were talking about the adapters.
Thanks for the feedback! We are working on revamping our Ask A Wrench series to address new bike tech, and will definitely take this into consideration when it comes time to film again. Keep Pedaling!
I think someone forgot to make the episode lol
Did you just wink at me Seth?
GET ON WITH IT! JESUS!
The only standard is.
There is no standard.
IS = Hole Mount
PM = Thread Mount
You can't strip a hole like you can threads.
Phew, now I understood the difference but please do some zooming on the mounts next time, frustrating not to see the components! And I had to give up after five min watching…
Why you dont focus on the disc brake? 👎
No, we didn't need a history lesson (I skipped). We need shorter videos that get to the point.
Poorly shot video. The rear IS mounting is blurry. Why not show a closeup?
John, this video is 9 years old.
Sorry, got bored.
Yeah, it's not a very exciting subject, but it is one of the questions we get asked most often.
Get a better camera with a deeper depth of field or focus on the bicycle/parts rather than your face.
Stop talking and let me how to identify what I have.
I watched a video that pointed out that post mount is more risky to stripping the threads than I,S, and if you do, that would essentially ruin the fork! Personally i PREFERE I,S