Also this mostly apply only to high end bikes. On the lower end you still get square taper bottom bracket, threaded 7 speed cassettes, etc. Also for the most

Also this mostly apply only to high end bikes. On the lower end you still get square taper bottom bracket, threaded 7 speed cassettes, etc. Also for the most parts, availability of replacement stuff is still high for years because the big transmission manufacturer know they get as much money selling replacement parts than new bikes and groupsets. They have no incentive to abandon old parts/standards completely.