JFOYH 30.9mm/31.6mm Hydraulic Dropper Seatpost 100mm/125mm/150mm Travel Remote Cable Control Dropper Post for Internal Routing Bike Frame(345mm/395mm/445mm Length)-900i 31.6mm*445mm*150mm

Choosing The Correct Diameter is Crucial: It is essential to select the right diameter (30.9mm or 31.6mm) based on the inner diameter of your bicycle frame's seat tube. Choosing the wrong diameter can result in an inability to install. REMEMBER, selecting the correct diameter is crucial to ensure a proper fit.

Internal Cable Routing and Easy Installation: This dropper post is designed for frames with internal cable routing, providing a clean and organized appearance. The installation process is simple, and you can refer to instructional videos for guidance.

Convenient Remote-controlled Height Adjustment: With the included remote lever, you can easily adjust the seat height while riding, eliminating the need to stop and manually adjust the seat position.

Durable and Lightweight Construction: The seat post is made of 7075 alloy tube, which offers durability while remaining lightweight. The weight varies depending on the length, with the shortest version weighing approximately 480g and the longest version weighing around 670g.

Different length and stroke options available: The seat post comes in three length options (345mm, 395mm, and 445mm) and corresponding stroke options (100mm, 120mm, and 150mm, respectively). Choose the combination that suits your preferences and riding style.