This soft spring is a great replacement for the standard one. It's specifically designed for riders weighing under 63.5 kgs and perfectly suits SR Suntour NCX suspension seat posts.

Using this soft spring is easy. Just remove the standard spring from your SR Suntour NCX suspension seat post and replace it with this one. When you're riding, make sure your weight is under 63.5 kgs to get the best performance. For maintenance, check the spring regularly for any signs of wear or damage. If you notice any issues, replace it right away. Keep it clean and dry to extend its lifespan.