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Originally Posted by charliedid
They seem to have built this group around it's own eco-system without any or much cross compatibility> New BB/crank interface, new Freehub body. New chain. 1 x only (for now maybe?) Chain tool works or doesn't work?
One of the things about SRAM and Shimano is the interchangeability of components and choice of 2x with SHIMANO so you can make it your own set up. With this not so much?
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I don’t think it’s as different as you think.
It appears the bottom bracket change is new outer seals that warrants new cups. It’s reported (rumored?) this change will happen across the line. I am guessing the new parts are compatible with current cranks if you update the bearings/seals/cups. If true, it’s basically just an improved bottom bracket and not a totally new standard. The oddity is that Campagnolo’s bottom bracket is sort of half installed on the crank so you sort of buy it in two parts.
Sure, it’s a new freehub body, but the new freehub body is 100% backwards compatible with 10-12 speed cassettes. Shimano and sram also had new freehub body’s (xd and micro spline) but they are not backwards compatible.
It’s been confirmed existing chain tools can break the chain and the new quick link joins it. Identical to sram and shimano.
The Ekar derailleur is 1x only by design. The horizontal parallelogram and offset pulley use chain length/tension to control spacing to the cassette. A front derailleur would throw this out of adjustment. Again, this is the same as sram and shimano. They both offer 1x specific derailleurs that use a similar design.