All the right angles, for all your accessories
Tucked seamlessly behind your head tube inside the profile of your frame, the Trek Adventure Triangle Bag features a space-saving design so you can haul gear and still have room for your water bottle! Whether you're an endurance racer or a rider with a smaller frame, this bag is the perfect travel companion, no matter what your day has in store.

• With a low profile that easily integrates into your frame, the Trek Adventure Triangle Bag is a must-have for smaller bike frames and endurance riders.
• Simply measure your bike to find the best frame bag size for you
• Includes thumbscrews to mount on the Checkmate SLR & Checkpoint SL Gen 3 and straps to mount on any bike
• Easy, two-sided access with internal and external pockets to stay organized
• Designed with durable, lightweight Ultragrid™ Ripstop material made from recycled pre-consumer nylon
• The interior lining is made from recycled plastic bottles for a more sustainable ride
• Water-resistant construction helps keep your gear safe and dry