The day one 20 brings all the associated benefits of singlespeed riding with its single ultra efficient optimised chainline and adds the practicality of shimanos nexus 8sp internal geared hub with its wide range gearing and sealed from the elements drivetrain returning a similar range to a conventional double setup 30 92 gear inches and with mounts for racks both front and rear the day one 20 is the ideal low maintenance workhorse for those wanting to perhaps carry moderate loads efficient