The medium easily fits 2 road tubes, a multi-tool, 2 tire levers and a CO2 inflator with cartridge. The Grid Large is spec'd with tough materials and an internal pocket/removeable divider for easy organization, and covered with reflective technology. Big enough to fit a jacket or three road tubes, a multi-tool, two tire levers, and a CO2 inflator with a cartridge.

Features:

• Reflective technology - Developed to increase the conspicuity of the rider, Blackburn have applied a retro-reflective coating to their Grid bags for an additional level of safety and visibility
• Padded structure - Grid bags feature a padded structure so they can keep their shape, and keep your payload safe
• Built tough - Constructed of 210t nylon ripstop and 210d polyester and featuring coated zippers with silent nylon cord zipper pulls, Grid bags are built for a lifetime of use
• Tail light clip - Grid bags feature a tail-light clip that allows you to mount your light right to the bag for an extra measure of visibility
• Keep organized - Grid bags feature a small internal pocket to help keep you organized, and the inside of the back is a lighter color to help you locate stored tools quickly

Specifications:

• Capacity:
  
  • Medium: 0.8 L
• Dimensions:
  
  • Medium: 177.8 x 82.5 mm
• Mounting Options: Dual-sided seat post hook & loop strap that won't chafe and ruin your expensive bib shorts!
• Weight:
  
  • Medium: 70 g
• Water Resistance: Water resistant - Extra protection against the elements