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Digirit

Digirit is a Taiwanese manufacturer that has made full carbon chainrings the focus since the company's founding in 2011. The brand built its reputation on the track — where stiffness under sprint loads, low rotating weight, and reliable tooth engagement aren't nice-to-haves, they're requirements. That foundation carried over to time trial and triathlon builds, and Digirit has since expanded into 2x road setups with chainring pairs designed for Shimano Dura-Ace and other modern high-speed drivetrains.

The RA Cycles Digirit collection covers the full range: 2x carbon chainring sets matched to Dura-Ace R9200 cranksets — both standard and aero variants — and a dedicated track ring for 5x144mm BCD track setups. Every ring is engineered for precision over alloy alternatives, with weight and stiffness that shows up where it counts.

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About Digirit

Digirit Industry Co., Ltd. is based in Changhua County, Taiwan, and has focused on a single product category since the company's founding in 2011: full carbon chainrings engineered for performance cycling. The brand built its reputation in track and fixed-gear racing — disciplines where stiffness under sprint loads and low rotating weight have direct consequences — before expanding into time trial, triathlon, and 2x road applications. Digirit's chainrings are made from full carbon fibre with tight tolerances on tooth geometry, and the brand has become a reference point for riders building high-end drivetrains around carbon. More at digirit.com.

RA Cycles carries Digirit's current road and track lineup: the Carbon Chainring Set and Carbon Aero Chainring Set, both designed for Shimano Dura-Ace R9200 cranksets in 2x configurations, and the Track Low Friction Chainring for 5x144mm BCD track setups. The road sets support 11-, 12-, and 13-speed chains depending on the application — a meaningful upgrade for any road build where the drivetrain is the last place you'd accept a compromise.

See the full range of chainrings and cranksets at RA Cycles, or explore the broader Shimano components collection for Dura-Ace compatible parts.

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R&A Cycles - 50th Anniversary

50 YEARS AND COUNTING

From a Brooklyn storefront to flagships in Walnut Creek and Miami, from handwritten mail orders to a fully digital custom bike builder — RA Cycles has spent half a century doing one thing: serving riders who demand the best. That half-century belongs as much to you as it does to us. The riders who kept coming back, who sent their friends, who trusted us with bikes that matter — you're the reason we're still here. Here's to the next fifty.

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