Originally Posted by
headasunder
Looks like a bb30 to Shimano hollowtec crank adapter in which case you would need the one for the drive side . But only if you plan to use a Shimano crank. The crankset are you planning to use will dictate what is or isnt
needed.
Yeah I have an Ultegra crankset, FC-6600 that I plan to use. So I see many adapters for 24mm cranksets, is that what I need? Is this a part a bike shop might have laying around for cheaper than having it shipped?