DynaPack® Large Seatpost Bag – Compact Yet Spacious Storage

The DynaPack® Large offers near TrunkBag capacity without the need for a rear rack, making it ideal for cyclists seeking lightweight, aerodynamic, and versatile storage. With an expandable top, it can hold a helmet, shoes, or other larger items, while keeping smaller essentials organized.

Key Features:

• Spacious & Organized: Features a divided main compartment and an additional zippered pocket for convenient organization.

• Durable & Water-Resistant: Made from rigid EVA foam with 600-denier polyester, offering extra water repellency and stain resistance.

• Easy Attachment: Attaches securely via QR clamp (Fixer 7), fitting round seatposts ø25.4 – ø34.9 mm.

• Safety Features: Equipped with a 3M™ reflective strip and safety light clip for enhanced visibility.

• Expandable & Portable: Top compartment expands to hold larger items and includes a carrying handle for off-bike convenience.

• Max Load Capacity: 4.5 kg

Specifications:

• Material: 600 denier polyester, EVA foam

• Dimensions: 45 x 24 x 23.3 cm

• Attachment: QR clamp (Fixer 7), fits ø25.4 – ø34.9 mm seatposts

• Compartments: Divided main compartment + 1 zippered pocket

• Added Features: Expandable top, carrying handle, 3M reflective strip, safety light clip

• Maximum Load: 4.5 kg

The DynaPack® Large Seatpost Bag combines aerodynamic design, durable construction, and versatile storage, making it a perfect companion for commuting, touring, or daily rides.