we spend time on relationships with our families, friends, spouse - career - personal intersts.....The ratio or balance of these usually reflects how you feel about the others (IE "not as important to me because...")

Since he's spending more time on bikes than you, I'd say there's things about you that bother him. Whether these things are fair or justifiable or not, who knows, but you definately need to talk about it thouroughly and honestly ASAP or **** will only get worse