Onirii M2 and M4 hydraulic disc brakes

[TidyDinosaur]

For this price range I can find a set of magura's mt4 estop, i don't believe it's worth the effort to try these onirii's honestly. What is it actually this caliper flex phenomenon?

I also don't understand why you would bother with these Chinese brakes if you can get Shimano / SRAM / Magura.... For the same price or a little more...
I am from the EU, so a set of these 4 piston brakes would cost me about 120-130 EUR. But I am gonna go with the newest deore 4-piston set from shimano for 175 EUR.

[Zomb1e]

I also don't understand why you would bother with these Chinese brakes if you can get Shimano / SRAM / Magura.... For the same price or a little more...
I am from the EU, so a set of these 4 piston brakes would cost me about 120-130 EUR. But I am gonna go with the newest deore 4-piston set from shimano for 175 EUR.

A lot of reasons though. Not all live in EU and can get Magura for a good price. Not all like Sram brakes (especially Levels, Codes are good but much more expensive). And to be honest, comparing these Chinese 4-pot brakes with Deore is not apples to apples comparison - even XTR Trail weights more. IMHO this time Chinese guys made really interesting brakes by copying Trickstuff levers and Hope calipers.

And all this without taking into account such reasons as trying something new or color-matching parts on the bike

[federic000]

It's a backup set, my official cura brake needs a service. Moreover i like the aesthetic of these M2 so much 
But have we understood if bleeding is easy or messy? Which tools are required?

[carbonazza]

Thank you for the feedback, I'll try them for a next build.

[Zomb1e]

But have we understood if bleeding is easy or messy? Which tools are required?

Code: [Select]

The lever bleed port is threaded like Magura. The caliper bleed port is threaded like the Shimano funnel.from here: https://www.mtbr.com/threads/zrace-m1-x2-x4.1205320/post-15673159

[federic000]

i've put an order for the ONIRII's M2, i like more the blue IIIPRO's but the discount on the onirii's was stronger.
wish me good luck! 

[Stijn 23]

Just bought the 4 pots IIIpro's in blue. Discount was better than the oniri for some reason. will update once I have them. I will test them out on my "extra" rigid hardtail. If they perform well, I would move them to my XC bike. But all to be seen. Will update my findings. hopefully they stop better than my sram levels which are quitte underwhelming

[Stijn 23]

Does anyone know what alternative brake pads will fit the 4 pot version? My guess is that the brake will be delivered with something that will work but can be improved. So I would like to get a headstart and order some "mainstream" brake pads to swap in when the brake arrives. THX for the info!

[Zomb1e]

Hope E4/V4

Upd: E4 only

[federic000]

for the 2-POT version we said Shimano pads G04/05 should be ok right?
any other model?

[carbonazza]

Hope E4/V4

I just asked ONIRII on Aliexpress yesterday and got this response:

What brake pads are compatible?
=> "same as hope"
=> "E4 M4 resin pads"

Then a more mysterious
=> "Shimano Hope" 

[Zomb1e]

As the 4-pot caliper seems to be cloned from Hope E4, highly likely its pads should fit too. At least pads' dimensions are pretty close. I've ordered pads for Hope E4 and will confirm if they fit or not when I'll receive them.

Then a more mysterious
=> "Shimano Hope" 

I think this was about 2-pot version with caliper design "inspired" by Hope X2. If I right understand what they were meaning - Hope X2/V2 pads and Shimano 9100/8100 pads have nearly the same dimentions (0.6mm difference by length), so both will fit. But this needs practical confirmation.

[carbonazza]

...I've ordered pads for Hope E4 and will confirm if they fit or not when I'll receive them

From Aliexpress ?

[Zomb1e]

From Aliexpress ?

Yes. This seller have big variety of pads for almost all brakes - semi-metallic, ceramic and sintered.

[Zomb1e]

Some photos of brake pads for 4-pot version.
1st photo - stock IIIPro on the left, pads for Hope E4 on the right
2nd photo - pads for Hope E4 installed into the caliper

I also want to warn that Hope V4 pads would not fit