EK 525 QX-Ring Chain 124L (10)

Marsoni

M251S

$153.95

Get it in 3 business days with 1 day shipping. Friday, May 29

EK 525 QX-Ring Chain 124L (10)Quadra X ring (QX Ring) is a slim profile chain with 40% less friction than a normal O Ring chain and 150% better endurance. Used for a variety of SRX2, 420SRX and 428ZVX series chains.

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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Ran this for 5k and did oil analysis. It performed identically to Mobil 1 ESP 5w30. No issues, stayed in grade, nothing negative. That said, it was no better than ESP and wear metals were functionally the same as multiple other similar rated oils. It’s perfectly fine, but not better. It’s a great value. I wouldn’t use it for extended oil change intervals. No oil consumption noted.

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Reviewed in the United States on March 23, 2026

Verified Purchase

Carol

Draper, US

★★★★★ 5

Great oil

Size: 1 Quart Pack of 6

Love it.

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Reviewed in the United States on April 18, 2026

Verified Purchase