This is the perfect component to upgrade the aesthetics and comfort of your bike. This seatpost mates perfectly with a custom Zinn titanium bicycle, or a Clydesdale bike. This titanium seatpost will work on any bike that has the right seat tube diameter. Available in 30.9mm or 31.6mm in 410mm lengths. These seatposts are very strong, and lightweight too. They provide extra shock absorption to make your bike smoother and more comfortable over rough surfaces.