This Topeak MondoPack saddle bag is a versatile accessory for any cyclist. Its dual access main compartment and internal mesh pockets provide convenient storage for your gear, while the QuickClick mounting system ensures easy attachment to your bike. Featuring a 3M reflective strip for enhanced visibility and a tail light strap, this bag prioritizes safety. Constructed from durable 1200 Denier Polyester, it measures 4 x 11 x 12cm and is suitable for various bike types, including suspension, folding, and endurance racing bikes, as well as for day touring or carrying extra gear. The bag fits seatpost diameters from 25.4 mm to 34.9 mm.