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Ofertas de bielas para bicicletas

The crankset sits at the center of your drivetrain — the point where effort becomes motion, and where power meter integration has made the component more technically significant than ever. Bike Cranksets on Sale at RA Cycles covers 252 products at reduced pricing across Shimano, SRAM, Campagnolo, and SRM: from entry-level groupset cranksets to professional-spec power meter systems. The Shimano lineup spans 105, Ultegra, Dura-Ace, and GRX for gravel and XT for mountain. SRAM covers Rival through Red AXS, with multiple DUB-standard options including integrated power meters. Campagnolo is represented with Super Record 13 WRL — with and without power — and Chorus 12-speed. SRM's Origin and Science PM9 cranksets are dedicated power meter systems built around THM and Campagnolo interfaces, with a precision measurement reputation that predates most other brands in this category. Whether you're upgrading a groupset or sourcing a standalone crankset, this collection spans every standard.
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About Bike Cranksets

A crankset replacement involves two key compatibility checks: bottom bracket standard (threaded, BB86, T47, or DUB depending on your frame) and chainring configuration (ring count, BCD, and tooth count). Power meter cranksets add a third consideration — left-only, dual-sided, or spider-based measurement, each with different accuracy implications and price points. Left-only meters measure one leg and double it; dual-sided systems (SRAM, SRM) measure each leg independently for true total power. The distinction matters most to athletes who train with precision data, less so for riders using power primarily as a training load guide.

The 252 products here cover all three major groupset families. Shimano spans road (105, Ultegra 8100, Dura-Ace 9200), gravel (GRX RX810), and mountain (XT M8120). SRAM covers the full DUB lineup from Rival through Red AXS with several power meter variants. Campagnolo includes Super Record 13 WRL — available with and without integrated power measurement — and Chorus 12-speed. SRM's PM9 systems are dedicated precision power meter cranksets compatible with THM and Campagnolo interfaces.

Browse the full cranksets and chainrings collection at regular pricing, or explore bike power meters for a broader look at power measurement options. For more drivetrain savings, see Shimano on sale, SRAM on sale, and Campagnolo on sale.

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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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