Serfas Expandable Half-Frame Bag Urban Bike Helmets The security loop is easy

The security loop is easy to adjust and can protect against injury thanks to security release

Off-road-only

•Included Osprey Hydraulics® LT 2

and easier maneuvering when you need to change course

Serfas Expandable Half-Frame Bag Urban Bike Helmets The security loop is easyThe Serfas Ark Expandable Half Frame Bag can adapt to accommodate more gear with an expandable bottom and resists the elements with a durable water resistant construction. Thirsty? Pack your favorite hydration bladder and utilize the integrated Hydration Port routing. Features: Expandable Storage (3L to 5L Expanded) Water Resistant Materials Hydration Port For Water Bladder (Bladder & Hose Not Included) 5 Adjustable Hook & Loop Frame Mounting Straps