Hi I am 54 years old and reasonably fit and have just bought a racing bike ( Lapierre 400 ). Went on my first ride and felt great until the next day.....bad hip pain. A few days later went for another ride and suffered the same problem. Went for an xray and have moderate arthritis in both hips.....scary! Before putting my bike on Ebay I'd like to hear from anyone with similar problems. Is it crazy to continue cycling or crazy to give it up? who knows. Thanking you in advance