The roll top style closure of this 15 litre seat pack makes it ideal to keep all of your ride essentials safe and dry throughout the year fitting is easy and tool free and can quickly be switched between bikesthe versatile bracket fits seatposts from 254mm to 349mm not suitable for carbon fibre posts there are also 3m reflectors and a rear light loop to make sure your visibility is enhanced toomaximum load weight is 15kgdimensions 8x26x14cmvolume 15lweight 244g