PRO Gravel Bag - Top Tube 0.7L BPW The rear derailleur and front

The rear derailleur and front derailleur work digital

Composite Matrix frame mount

or (2) use the silicone sleeve and mount with zip ties

When speed across most any terrain is priority number one

1” x 4” x 1

PRO Gravel Bag - Top Tube 0.7L BPW The rear derailleur and frontThe PRO Discover Top Tube Bag is a waterproof top tube bag for bikepacking. Features Top tube bag for bikepackingEasy to reach storage space700ml capacityWaterproof constructionWaterproof zipperTwo bolt or Velcro attachment optionsCable exit for charging while ridingBungee cord storage for quick access to small itemsReflective details for increased visibility Mfr Claimed Weight 107g