The altura aero post pack has been designed so you can carry additional gear with you safely and securely without needing a pannier rack this neat fitting pack has a capacity of 6l the perfect size for storing all your essentials that you may need when you39re riding it nicely attaches to your seat post and thanks to the quick release rixen kaul fittings it can be easily mounted and dismounted anywhere the post pack has twin zip openings and zipped side pockets so you can stor