30.9 Dropper Post Internal Routing 100 mm Drop 410mm Long
30.9 mm Dropper Posts
Our range of 30.9 mm Dropper Posts is designed to give you fast and smooth seat height changes while riding. Because all stock is held here in New Zealand, delivery usually arrives within 2 to 3 working days.
Product Range
30.9 Dropper Post Internal Routing 100 mm Drop 410mm Long
Dropper Post 30.9mm up to 150mm Travel with Under Seat Control Switch
30.9mm Dropper Post 350mm 100mm Drop Height Under Seat Control Switch
30.9 Dropper Post External Routing 100 mm Drop 380mm Long
30.9mm Seat Dropper Post with Built In Under Seat Activation Switch
Buyer’s Guide: Choosing the Right 30.9 mm Dropper Posts
Selecting the right dropper post depends on your riding style and your bike’s frame design. Below is a quick guide to help you decide which option is best for you.
Under-Seat vs Switch-Operated
- Under-seat activation is simple and reliable. It’s ideal for riders who don’t need constant adjustments while riding or prefer a clean handlebar setup.
- Switch-operated posts allow seat adjustments without taking your hands off the bars. These are best for trail and enduro riding where frequent height changes improve control.
Internal vs External Routing
- Internal routing gives your bike a clean look and protects the cable from dirt. Choose this option if your frame supports internal dropper routing.
- External routing is easier to install and works well on older frames or hardtails without internal cable ports.
Drop Travel Length
- 100 mm travel posts suit most riders and offer reliable clearance on descents while keeping weight low.
- 150 mm travel posts provide extra room to move on steep or technical trails. Choose this if you ride more demanding terrain.
Post Length and Frame Fit
Check the available insertion depth inside your frame. Posts such as 350 mm, 375 mm, 380 mm, and 410 mm lengths accommodate different frame designs. A longer post may not fit in a small frame, so measure from the seat tube opening to any internal obstruction.
All of our 30.9 mm Dropper Posts are reliable options for improving control and comfort on any ride. With local NZ stock and fast delivery, upgrading your bike has never been easier.