Profile Design ATTK IC D3 the damper unit is already

the damper unit is already filled with 3 WT oil and bleed

this will help keep the chamois in place and provide optimum comfort and compression

a material that ensures stability

help manage a deflected chain

On a Longtail or Cargo bike

Profile Design ATTK IC D3 the damper unit is alreadyThe Aero Top Tube Kase (ATTK) IC is designed to improve aerodynamics while offering a streamlined storage solution. The uniquely designed shell allows cables to route straight through to the top tub. Mounting is simple using top tube braze ons on compatible bikes. Specifications Construction: Plastic and molded rubberDimensions & Spec Capacity: 245mm x 60mm x 40mm 250cmTop Tube Compatibility: Direct mount (M5 Bolt) or Frame Protection Strips (FPS