Here's a neato tool to keep that chainring nut from spinning right 'round.also, check out our gear inch calculator if you're into that kinda thing Includes measurement tables, shimano crank compatibility, and bcd sizing charts For orders over $35.00, select installments at checkout to split your purchase over time.
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You'll need to swap both, because the front derailleur has a maximum difference between the two chainrings, but yes, you can definitely put a smaller one on there.
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Single chainring bolts in aluminum or steel One option would be to use a 34t 110 bcd chainring from wolf tooth I wasn't able to find a smaller 110 bcd chainring I was thinking of removing the power ring and simply using a 74 bcd chainring, which would make for a cleaner setup and allow using a smaller chainring.
The 122 mm bcd determines the smallest diameter a chainring can achieve while still leaving enough room for bolt holes Theoretically, you could go down to about 36t, which you've seen, but the design starts getting tight for both material and strength. To be placed as the smallest chainring on a triple road crankset Good chainring at a great price
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