Originally Posted by
merlinextraligh
Biggest thing is tire size, mud clearance. Typical CX bike takes 32-35mm tires. Gravel Grinders typically can take 2"+ wide tires. Next, Gravel Grinders tend to have longer wheel bases, longer chain stays, higher bottom bracket, and more relaxed head and seat tube angles.
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I think you got everything right except this part...I seem to recall reading they have lower bottom bracket relative to a true CX design...so, materials aside, its basically true road geometry with capacity for much bigger tires...