Burgtec Shimano Direct Mount Oval Thick Thin Chainring

Burgtec Shimano Direct Mount Oval Thick Thin Chainring

Marsoni

M251S

$129.99

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

Burgtec Shimano Direct Mount Oval Thick Thin ChainringDoes a mechanical advantage of increased gearing sound Interesting? If so, read on. Through research and testing of many different prototypes with varying amounts of Ovality we found 115% (from the top centre) to be the optimum. This shrank the dead spot suitably and gave the same flawless chain retention as our round rings. The shortening of the dead spot on the top and bottom of the power curve allows you to get back into the power phase of your

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Your Burgtec Shimano Direct Mount Oval Thick Thin Chainring orders ship within 1-2 business days.

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Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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I am lucky to have a red birthstone because red is my favorite color! These earrings did not disappoint me, the red stone is not huge but I wanted small earrings that would still show up and give me a little sparkle. These earrings match the necklace I got first with the same design. I am happy with these pretty earrings. I also appreciated the good price and quick delivery and will buy from this vendor again.

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Reviewed in the United States on December 15, 2024

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MrJs Girl

Pawtucket, US

★★★★★ 4

Cute but appeared cheap

Style: November - Citrine

Metal was nice quality but stones did not sit flush as pictured

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Reviewed in the United States on July 25, 2024

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Brianna

Bozeman, US

★★★★★ 5

Rapunzel earrings

Style: June - Alexandrite

I got these earrings as a gift because we were going to Disney and I wanted to dress up like Rapunzel and these were perfect for the look. They are also small and comfortable.

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Reviewed in the United States on June 20, 2025

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Kindle Customer

Dallas, US

★★★★★ 5

Looks great

Style: February - Amethyst

Beautiful and comfortable! Got a pair for my daughter too!

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Reviewed in the United States on March 13, 2026

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Briana Dickerson

Birmingham, US

★★★★★ 3

Cute but Wrong Color

Style: July - Ruby

These earrings are really dainty and pretty, and my daughter loved the style. Unfortunately, the color wasn’t quite right for her birthstone—her ruby birthstone is a deeper red, but these leaned more toward red-orange. They still look nice and could work for other occasions, but we were a bit disappointed since we were hoping for a true ruby match.

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Reviewed in the United States on February 8, 2026