SRAM has long lead the way in 1X drivetrains, and their 12-speed cassettes are now offered with a new 52-tooth big cog. The rest of the cassette remains the same with tight gaps before going to a big 10-tooth jump on the last shift to the massive climbing cog. The 2-tooth increase from the previous 50-tooth version isn’t so large as to encourage a larger front chainring – though there’s nothing stopping you from doing so if you’re a stronger rider – but instead it gives more of a bailout gear paired with your current chainring size.
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