27.2

Dropper Posts
The 27.2mm PNW Pine Dropper Post Improves any old XC, 'Cross, Gravel, or Kid's Bike
  2
Gravel Bikes
The New Ritchey Outback V2 Gravel Bike adds Multiple Mounts for Adventure and Fenders
  1
Mountain Bikes and Gear
Watch: FSA SL-K Carbon Cockpit Review