Replacement T-Spring for nodels KJ-XR3 and KJarmstrong XR. It is also compatible with:
- KJ Pro series (as a softer T-Spring option)
- older XR series models
This T-Spring model features:
1. the new 4 TwinTurbos System (improve balance & rebound)
2. the new SRS (Safety Release System).
3. Customizing option: It is "Coil Spring Adapted" which means that you can attach the optional steel Coil Springs, to customize the compression resistance of your KJ.

Replacement T-Spring for PRO series models.
It is a bit softer than TS-Pro6.

Replacement T-Spring for PRO series models. This is the hardest T-Spring available.Also suitable as a customizing harder option for models KJ-XR3 and KJarmstrong XR

Replacement T-Spring for KJ Power Shoe model (only)
3 way adjustable T-spring

• 3 bands (all bands intact)

• 2 bands (remove the center band)

• 1 band (remove two outer bands)

This T-Spring model features:

• 1. the new 4 TwinTurbos System (improve balance & rebound)
• 2. the new SRS (Safety Release System).
• 3. Customizing option: It is "Coil Spring Adapted" which means that you can attach the optional steel Coil Springs, to customize the compression resistance of your KJ.