Conversation so far:
Where was Greg LeMond born?
Greg LeMond was born in Lakewood, California.
What can you tell me about Greg LeMond's childhood?
Greg LeMond grew up living an active, outdoor life in the ranch country of the Sierra Nevada mountain range. Hiking, hunting, skiing and flyfishing were boyhood pastimes.

Question: when was he introduced to cycling
Self-contained rewrite: When was Greg LeMond introduced to cycling?