All my Aliexpress MTB purchases reviewed.

Not AXs fault but stupid customs have been 'inspecting' my order since the 11th of September. It's just a chain ring, pedals and seat (kids) and a led headlight. Pretty hard to conceal Shanghai Sally in those things.
 
Maybe 6 months ago bought a ZTTO AE bb set. Last few weeks I notice a cracking and creaking noise. Have a good look and the bearings a destroyed. They must have been made from chewing gum.
Bike is my pub/path bike. Hasn’t had a lot of miles, nor mud or rain and rarely gets washed.

Do not recommend.
 
Jpez said:
Maybe 6 months ago bought a ZTTO AE bb set. Last few weeks I notice a cracking and creaking noise. Have a good look and the bearings a destroyed. They must have been made from chewing gum.
Bike is my pub/path bike. Hasn’t had a lot of miles, nor mud or rain and rarely gets washed.

Do not recommend.
Click to expand...
Can you knock the bearings out and get better quality Japanese or German ones?

Sent from my 24069PC21G using Tapatalk
 
Jpez said:
Maybe 6 months ago bought a ZTTO AE bb set. Last few weeks I notice a cracking and creaking noise. Have a good look and the bearings a destroyed. They must have been made from chewing gum.
Bike is my pub/path bike. Hasn’t had a lot of miles, nor mud or rain and rarely gets washed.

Do not recommend.
Click to expand...
I suspected that would likely be the case with those headsets/BBs. Thanks for being the test subject to confirm. I would hazard a guess that the bearings in ZTTO/Koozer/Goldix hubs may follow a similar story, have a front wheel currently in use on one of those hubs, and a rear on another bike. Will keep y'all updated one when they need replacing.

Oddjob said:
Can you knock the bearings out and get better quality Japanese or German ones?

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Click to expand...
Generally, yep, so long as you get the same sizing ofc. I've done this with knockoff DT Swiss freehubs before installing them, as those are also usually shite.
 
Last edited:
Oddjob said:
Can you knock the bearings out and get better quality Japanese or German ones?

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Click to expand...
Looks like I could but I’d rather just bin em and buy something decent like I should have done in the first place.
 
Oddjob said:
Hope.

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Click to expand...
I’ve had a CC hellbender now that started life in my now yours Highlander and it’s the much maligned, hated on and mocked 30mm bearing size and it keeps trucking. 3 plus years maybe, not sure. Still running smooth and nice. gonna stick with what works.

Also on a side note I pulled apart a Works component headset a while ago. Full of orange gunk.
Same vintage Hellbender headset clean as a whistle.
 
Jpez said:
I’ve had a CC hellbender now that started life in my now yours Highlander and it’s the much maligned, hated on and mocked 30mm bearing size and it keeps trucking. 3 plus years maybe, not sure. Still running smooth and nice. gonna stick with what works.

Also on a side note I pulled apart a Works component headset a while ago. Full of orange gunk.
Same vintage Hellbender headset clean as a whistle.
Click to expand...
I've got an Ultegra BB in the roadie that is going on 14 years...

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These items just arrived for a front wheel build.

a.aliexpress.com

Taiwan Pillar PSR14 Round Spoke Road Bike Mountain Bike Dead Car J Bend/Straight Head Stainless Steel Wire Bike Spokes - AliExpress 18

Smarter Shopping, Better Living! Aliexpress.com
a.aliexpress.com a.aliexpress.com

a.aliexpress.com

10pcs Pillar DSN Highway Bicycle Nipples 14G 14mm 16mm 18mm Anti Wear Mountain Bike Copper Strip Cap Brass/Aluminum alloy - AliExpress 18

Smarter Shopping, Better Living! Aliexpress.com
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a.aliexpress.com

POLSO BMX 36H Disc Brake Hubs 100x20mm 110x3/8

Smarter Shopping, Better Living! Aliexpress.com
a.aliexpress.com a.aliexpress.com

Compress_20260926_124601_1195.jpg
Compress_20260926_124601_1624.jpg


"Highprecision" lolz
https://imgur.com/a/fHXKywE


It's a good thing I was planning on making some new end caps for it (need 110mm not the 100mm that it is) hahaha
 
ibc said:
I suspected that would likely be the case with those headsets/BBs. Thanks for being the test subject to confirm. I would hazard a guess that the bearings in ZTTO/Koozer/Goldix hubs may follow a similar story, have a front wheel currently in use on one of those hubs, and a rear on another bike. Will keep y'all updated one when they need replacing.


Generally, yep, so long as you get the same sizing ofc. I've done this with knockoff DT Swiss freehubs before installing them, as those are also usually shite.
Click to expand...
I need to replace all the bearings in my DTswiss 350 hub and it's only 1 year old.
 
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