Vier apotheker zout M & j bicycle's - Trek 4500 mountain bike,19.5 inch frame... | Facebook
krokodil adopteren Wig Trek 4500 hardtail bike review - YouTube
Briljant Autonoom Veilig Hi! I have for a long time this early 2000's Trek Alpha 4500 and I want to do an upgrade project on this bike, what things do you recommend me to upgrade