Author A-B Twister GSB X7 Cycling Backpack, 7L, Black/Grey

When the trail demands both speed and storage, the Author A-B Twister GSB X7 steps up. This cycling backpack keeps your essentials secure and accessible, whether you're commuting through city streets or pushing through a mountain loop. With 7 liters of carry volume and a ventilation-focused design, it’s built for riders who refuse to slow down.

Key specifications

• Capacity: 7 liters
• Material: 420D Nylon Ripstop
• Hydration system compatible (up to 2L bladder, not included)
• Author Vent System (AVS) back panel for airflow
• Padded adjustable shoulder straps with sternum strap
• Adjustable waist strap for stability
• Front zippered pocket and two side mesh pockets
• Integrated rain cover for wet weather
• Removable mesh helmet holder
• Reflective elements for low-light visibility

Why choose it

The A-B Twister GSB X7 is more than a bag—it’s an extension of your ride. The AVS back system promotes airflow, reducing sweat on warm climbs, while the sternum and waist straps stabilize the load on rough terrain. Toss in a hydration bladder (sold separately) and you have a self-contained adventure pack that moves with you. The integrated rain cover ensures sudden showers don’t soak your gear, and the reflective accents keep you visible to traffic after dark.

Ideal use cases

• Daily cycling commutes
• Mountain biking and trail rides
• Short hiking trips
• Outdoor fitness activities

Good to know

This backpack does not include a water bladder. Pair it with any standard 2-litre reservoir for race day or long rides. The helmet holder is removable, so you can stow it when not needed. Cleaning is easy with a damp cloth; allow it to air dry. The fabric is durable 420D nylon ripstop, and the zippers ensure smooth operation.