:S can I repair?

try waranty... but u can try but u need a pro who knows how to do with carbon

thought the same .. ride DH cranks.. and carbon.. = a no NO ..

not exactly, composites have high tensile strengths, although they don't handle fatigue and cyclic stress as well as metals and metal alloys, composites have an unmeasurable yield point since they don't have much elastic deformation or plastic deformation, its sorta they get to their yield point and fail without warning, wear as aluminum and metals handle fatigue better since they have higher yield points and can deform elastically more then composites. so if it were aluminum its probable that it wouldn't have even cracked since it would have a chance to flex and give away that energy. the composite retains that energy and releases it in a destructive manner.