The Trek BITS Tube Bag utilizes the storage space inside the frame of your BITS-compatible Trek bike. The tube bag is designed to securely hold a road, gravel, or MTB tube, up to 29" x 2.4".

• Maximum tube size is 29" x 2.4" (tubes sold separately)
• Pairs with the Trek BITS Tool Bag
• Compatible with MTB, road, and gravel tubes
• Outer material is made from durable and lightweight UltraGrid(tm) and made from 50% recycled fiber