\n\t\t\tShimano GRX FC-RX820 1x12 Speed Chainset
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Features:\n\t\t
\n\t\t\t- \n\t\t\t\tOptimal gearing for mixed-terrain riding
\n\t\t\t- \n\t\t\t\t42T and 40T chainrings available
\n\t\t\t- \n\t\t\t\tAnodized aluminium crank arms
\n\t\t\t- \n\t\t\t\tLightweight aluminium chainring
\n\t\t\t- \n\t\t\t\t4 arm, 110 mm bolt circle diameter
\n\t\t\t- \n\t\t\t\tCompatible with 12-speed Hyperglide+ chains
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\n\t\tWide array of options deliver optimal gravel gearing for variety of riders.
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\n\t\tThe Shimano FC-RX820-1 crank balances weight savings, optimized efficiency and an array of gearing options that cater to the segmented demands of mixed-terrain riding. By pairing a 10-45T or 10-51T cassette with 40T and 42T chainring, riders can choose closer gear steps or ultimate range. The FC-RX820-1 comes in 170, 172.5, and 175mm crank arm lengths, adding an additional level of customization.
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Technical specifications:\n\t\t
\n\t\t\t- \n\t\t\t\tSpeeds: 1x12s
\n\t\t\t- \n\t\t\t\tChainring size: 40T or 42T
\n\t\t\t- \n\t\t\t\tCrank arm length: 170mm or 172.5mm or 175mm
\n\t\t\t- \n\t\t\t\tBCD: 110mm
\n\t\t\t- \n\t\t\t\tSpindle: 24mm
\n\t\t\t- \n\t\t\t\tCrank arm material: Aluminium
\n\t\t\t- \n\t\t\t\tChainring material: Aluminium
\n\t\t\t- \n\t\t\t\tWeight: 655g (40T 172.5mm) / 667g (42T 172.5mm)
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