Trek Adventure Triangle Bag

The Trek Adventure Triangle Bag is a sleek, low‑profile frame bag that fits neatly behind your head tube, giving you extra storage without sacrificing bottle space. It’s a smart, durable solution for endurance riders and anyone working with a smaller frame.

• Low‑profile design that tucks cleanly behind the head tube

• Easy two‑sided access with internal and external pockets

• Includes thumbscrews for Checkmate SLR & Checkpoint SL Gen 3, plus universal straps

• Made with lightweight Ultragrid™ Ripstop material from recycled pre‑consumer nylon

• Interior lining made from recycled plastic bottles

• Water‑resistant construction to protect your essentials

• Available cargo capacities: 1L, 1.3L, 1.6L

• Multiple size options to match a wide range of bike geometries

Ideal for: Riders who want compact, reliable storage for long days, gravel adventures or smaller frames where space is at a premium.