The SR Suntour NCX Suspension Seatpost (SP25) is designed to deliver enhanced comfort and shock absorption, making it an ideal upgrade for commuters, touring cyclists, and e-bike riders. Built with a parallelogram suspension system, this seatpost effectively reduces vibrations and impacts from rough roads, potholes, and uneven terrain, providing a smoother, more comfortable ride.
Constructed from high-quality aluminum, the SR Suntour NCX SP25 is lightweight yet durable, ensuring long-lasting performance without adding unnecessary weight. With 400mm length and 31.6mm diameter, it fits a wide range of bikes and includes an adjustable preload to fine-tune the suspension response based on rider weight and preference.
- Parallelogram Suspension System – Absorbs shocks and vibrations for a more comfortable ride on rough terrain.
- Premium Aluminum Construction – Lightweight yet durable for long-lasting performance.
- Adjustable Preload – Customize the suspension stiffness to match your weight and riding style.
- 400mm Length & 31.6mm Diameter – Compatible with a wide range of commuter, touring, and e-bikes.
- Smooth & Stable Ride – Reduces fatigue on long rides by minimizing road vibrations.
- Secure Saddle Clamp – Ensures a firm grip on the saddle rails, preventing unwanted movement.
- Ideal for Commuters & Touring Riders – Perfect for those who want extra comfort on long journeys or daily commutes.
Technical Specification
- SP25 is a slight revision from the SP12 series post
- SP12/25 E-Bike rated
- 50mm of travel
- Stainless steel bushings
- 25mm offset saddle clamp
- Patented parallelogram suspension design
- Preload adjustable
- Internal coil spring for the ultimate in comfort
- Side clamp has a radial detent with wide tilt adjustment range
- Weight 800g
- Requires 110mm of exposed seat post to the saddle rails to fit bike
- Maximum extension of 300mm height for 350mm length
- Maximum extension of 350mm height for 400mm length
- Stock standard spring is rated for riders of 140-195lbs +/-
- Optional hard and soft springs sold separately
- Optional cover sold separately
- 7mm rail saddle rail clamp diameter