• I came across boost but got confused. It’s a genesis day one frame so BSA threaded. I’d like 40+

    I had been looking for a few hours earlier but got overwhelmed.

  • I’d like 40+

    You're going to have to buy the chainring separately, and you might still struggle to find a solution. SRAM GXP or DUB will go in your BB, as will Praxis M30, so you can pick any of those cranks.

  • I quite like the look of the praxis cadet. I’ll wait until I have the wheels in hand and measure the chainline myself before proceeding. Thanks for the help!

  • I couldn’t find any 40t+ chainrings. Bought a Miche Primato chainset and a 127mm un55 BB. If the chainset has a 42mm chainline on a 107mm BB, I should get a 52mm on a 127mm BB, no? This should give me a starting point and I’ll swap out the BB with a lighter one when it is all set up.

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