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Gemini Chainrings are ultralight, high-performance components built for cyclists who demand power transfer, durability and weight savings. Designed and manufactured in Barcelona using forged carbon technology, these direct-mount chainrings deliver top-tier stiffness and precision. The Rigel series pairs a carbon outer body with a durable aluminum core, minimizing weight without sacrificing strength. With multiple tooth sizes and crank interfaces available, Gemini Chainrings offer elite drivetrain performance for road, gravel and MTB riders.
Additional Gemini Chainring Info:
Gemini Chainrings are made for road, gravel and mountain use. Each one features a forged carbon body and a CNC-machined 7075-T6 aluminum core. This construction keeps weight low and strength high. Under high pressure, the carbon fibers are molded into a dense, directional structure that improves stiffness and reduces rotational mass. The result is efficient power transfer and a fast, responsive pedal feel.
Gemini Chainrings work with 11-speed, 12-speed and SRAM 13-speed flat-top drivetrains. They also use a refined narrow-wide tooth profile for smooth engagement and reliable chain retention across rough terrain. Whether you’re climbing on gravel, racing XC or shaving grams from a road setup, Gemini delivers performance without compromise — with a finish that looks as sharp as it rides.
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Carbon fiber chainring for 8-bolt boost MTB cranksets. Only 44 grams! -
Carbon fiber MTB chainring for 3-bolt boost cranksets. Only 43 grams!
