What's the difference? - Cyclocross Record chainset vs. Road chainwheel set

Cyclocross Record chainset

Crankset

1049/4

Road chainwheel set

Crankset

1049

Shared parts

These parts share the following 4 parts:

751

Not yet documented

751

752

Not yet documented

752

Road chainring for 1/2" X 3/32" (2 mm.) chain.

Chainring

753

756

Not yet documented

756