Trek 4500 Alpha Aluminum 24 Speed Mountain Bike Shimano for sale online | eBay
Amazon.com : SHOTGUN Kids Bike Seat for Mountain Bikes | Front Mounted Bicycle Seats for Children 2-5 Years (up to 48 Pound) | Compatible with All Adult MTB | Easy to Install : Sports & Outdoors
Trek 4500 Review: The Unsung Quality Mid-range Bike?