The Birzman Belly-B top tube pack is a handy, water repellent top tube bag with a narrow body designed to minimise contact with the thigh when pedaling.

The top cover reveals a wide opening, providing an easy reach for your ride essentials like snacks, phone and keys.

The bag also comes with a rain cover for extra protection.

Features

• Water repellent
• Rain cover 
• Easy access Velcro top opening - no fiddling with zips
• Easy to fit and remove with Velcro straps
• Side pockets for added storage
• Compact design

Sizing

18 x 8 x 4.5cm