Jtek Seat Post Clamp with Screw Thread

The regular clamp secures the seatpost in the normal way but we all know that carbon seatposts have a tendency to slip down.
The screw threaded knurled top cap closes down on the post in the same way as a drill chuck holds a bit.
- Screw-thread clamp to prevent seat posts slipping
- Suitable for use with carbon seat posts
- Seat Post Diameter 27.2mm
- Frame Clamp Diameter 31.8mm
- AL-6061 Alloy