Ratio DIY 2×12 creates the lightest 12sp groupset out of your old mechanical SRAM 2×11
Ratio is back with another DIY hack designed to modernize your old mechanical SRAM 2×11 groupset by converting it to run new close-ratio SRAM AXS 12-speed gearing without the need for expensive electronic components. Many cyclists loved the lightweight simplicity of SRAM Red 22, but would have needed to ditch a perfectly good groupset and
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