Extend your range. The Rossignol BC 100 is a lightweight, adjustable ski pole for back country touring with an enhanced length range. The durable, two-piece aluminum shaft features our user-friendly locking mechanism for quick adjustment between 90cm and 150cm. A generous powder basket provides stability in soft untracked snow. Strong and Lightweight Aluminum dural shaft is light and durable Easily Adjustable Two-piece build with quick-adjust locking lever lets you adjust the length from 90-150cm