Replacement AliExpress Pistons For Shimano Calipers – Bench Test
Автор: BCR
Загружено: 2025-11-19
Просмотров: 8315
I tested three sets of AliExpress replacement pistons in both 2-pot and 4-pot Shimano calipers.
This video covers the full teardown, piston fitting, seal checks, bleeding, and pressure testing.
Shimano calipers are NOT designed to be rebuilt internally. This test is done on my own brakes only.
If you're curious about how aftermarket pistons fit and how they behave under load, this video shows the full process and the results.
I wouldn’t use these pistons on customer bikes for liability reasons, but for DIY home mechanics they might well be a workable option!
#shimano #brakes #mtb #roadbike #bikerepair #mechanic #aliexpress #brakerebuild #cyclingtech #barncyclerepairs
The pistons (check which ones you need!-these are affiliate links,I may earn a couple of pence if i'm lucky)
https://s.click.aliexpress.com/e/_c3X...
https://s.click.aliexpress.com/e/_c4V...
https://s.click.aliexpress.com/e/_c4M...
Video sponsor:
https://sportandleisure.com/
– use code BCR10 for an extra 10% off your first order. (BLACK FRIDAY OFFERS EXCEMPT FROM THE DISCOUNT CODE!)
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