FSA is updating their carbon SL-K and K-Force Light cranksets with an all-new BB392 spindle standard. Put simply, it’s a 92mm wide, 30mm diameter spindle that follows the logic of the BB386EVO standard they helped introduce for road bikes. Yes, it’s a new “standard”, but like the 386, it’ll work on any frame thanks to a variety of bottom brackets to go with it. Threaded BSA? No problem, the wider spindle makes room for an outboard bearing bottom bracket, which makes things even stiffer thanks to the wide bearing placement. Pressfit 30, PF92, etc., will all be accommodated, too, with this single new spindle size.
This eliminates the need for a steel spindle, which makes them lighter while still fitting any BB. The arms are a little more svelte than before, too, saving a few more grams and keeping Q-factor unchanged…and they get new, asymmetric and proprietary 4-bolt patterns.
But these aren’t the only ones getting a wider spindle. They’re joined by new Boost148 models and what is perhaps the first BB30 fat bike spindle. Check those and lots, lots more new stuff below…
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