Zefal Z Light M Seat Bag
This seat bag from Zefal is a compact bag that fits to your seatpost using velcro straps. The Z Light M is lightweight at 95 grams and has the capacity for 0.9L of storage. This is the ideal option for carrying the basics such as your phone, wallet and keys - it'll even fit a 700c tube, tyre levers and a CO₂ cartridge with a regulator.

Features

• Capacity of 0.9L
• Weighs 95g
• Fits to seatpost & saddle rails via velcro straps
• Waterproof zip
• Rear opening
• Rear light strap bracket so you can attach a tail light
• Reflective logo