Renthal Rear Sprocket Hard Anodised - 45T 525

Renthal Rear Sprocket Hard Anodised - 45T 525

Marsoni

M251S

$105.00

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

Renthal Rear Sprocket Hard Anodised - 45T 525Renthal hard anodised sprockets are specifically designed for road and road racing applications. They feature all the benefits of Renthal off road aluminium rear sprockets but with increased longevity from the hard anodised process. Hard anodising is an integral surface coating that significantly increases the hardness and wear resistance of the chainwheel surface. Renthal hard anodised rear sprockets are precision CNC manufactured to extremely high

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I tried putting it on my n55 from a m235i and it did not fit properly. I was in a rush to try to put it on and thought it was on properly and I thought it did. And I snapped the bolt because the bolt because it was not aligned after I looked at harder I do not recommend for a n55. do not get this cheaply made pos. I recommend getting it from fcp euro where parts will actually fit and not fail.

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Reviewed in the United States on January 1, 2026

Verified Purchase

Baldemarg

Charlottesville, US

★★★★★ 5

May not fit correctly or is difficult to fit on.

Would not advise buying. It wouldn’t fit with the o ring nor with the old one, it would only go in with no o ring. So I had to put back my old hinge and o ring. Edit: I had to add coolant to the O ring, along with somewhat forcing/prying it in in order to get it to fit flush.

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Reviewed in the United States on January 9, 2026

Verified Purchase

Johnetta

Alexandria, US

★★★★★ 5

Works 100% on my f30 n55

No leaks made with good material you can use everything they send it will work

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Reviewed in the United States on May 26, 2026

Verified Purchase

carol cruzstewart