The key to the Arundel Tri Clamp is the use of a “V-block” design with convex inside surfaces. This helps it fit a variety of seat posts, round or aero shaped. The Tri Clamp stays securely fastened and the bottles are easy to reach. Plus, it’s affordable.

Description
The key to the Arundel Tri Clamp is the use of a “V-block” design with convex inside surfaces. This helps it fit a variety of seat posts, round or aero shaped. The Tri Clamp stays securely fastened and the bottles are easy to reach. Plus, it’s affordable.


















