Trek Marlin 4 27.5 Purple Flip-Black Fade Size:SM This bag is great for

This bag is great for carrying essentials when you want to travel light

Now available with the optional HASE XXL Seat for added comfort

Then it can be hitched to one of the parents' bikes for long bike tours or for taking tired toddlers home from nursery school

Shimano CUES shifting

Trek Marlin 4 27.5 Purple Flip-Black Fade Size:SM This bag is great forThe Trek Marlin 4 is a trail worthy daily rider built for everything from weekday commutes to weekend adventures. Whether you're rolling to class, work, or the trailhead, Marlin 4 brings the comfort and confidence of a commuter with the ruggedness of a real mountain bike.