Bicycles - Brick Bikes for your Minifigures – Brick Loot
Amazon.com: Brick Loot Motorcycle and Bicycle Big Bundle - 5 Motorbikes and 3 Bikes for Street and Dirt! - Compatible with Other Major Brick Brands - Fits Lego Minifigures : Toys & Games
LEGO mountain bike / bicycle - gray with silver wheels - Extra Extra Bricks
LEGO mountain bike / bicycle - blue with red wheels - Extra Extra Bricks