This seat bag from Zefal is a compact bag that fits to your seatpost using velcro straps. The Z Light S is lightweight at 40 grams and has the capacity for 0.5L 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.
- Capacity of 0.5L
- Weighs 40g
- 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