New V3 Version with updated finish and graphics. We have added a ” grip area ” that has a rough clear-coat finish in the area where you would hold the aero bolt-on. Great for use with or without gloves. Superlight Carbon Construction Ideal for Endurance Events Compatible with Flat Type MTB and Road Handlebars 31.8mm Bar Diameter Allows GPS / LED Attachment Weight : 98g ( including hardware ) Aero MTB or Comfort Gravel. Simple, bolt-on design that can be fitted to all 31.8mm handlebars within minutes. ( NOTE : only needs 2.5~3Nm to tighten on the handlebars ) Allows for additional hand positions on long rides as well as creating an aero-tuck position should you wish to power along on the flats. Sizing is similar to most popular GPS/Powermeter attachments and does not protrude excessively in any way. Matte Carbon Finish.