Zeta Free Piston for KYB Twin Chamber

  • $64.99
  • Save $4.96

KYB Free Piston Replacement

- Replacement free piston kit for KYB AOS (Twin chamber) front forks.
- Made of light weight aluminum, more durable than OE free piston.
- Great to use for enduro racing.
- Suspension stiffness can be changed, and to provide progressive suspension feel by changing oil level.

*Kit comes in pairs

Check out these easy to find application charts for your bike.


Part number Size Discription
ZE56-40010 STD Provides OE suspension feeling.
ZE56-40012 LT Light weight and less friction design, provides soften and smooth front fork moving.
Bike Year
CRF450R 09-12
YZ125 06-17
YZ250 06-17
YZ250F 06-17
YZ450F 06-17
YZ125X 17
YZ250X 16-17
YZ250FX 15-17
YZ450FX 16-17
WR250F 15-17
WR450F 12-17
KX450F 07-12
KLX450R 07-16
CR125 10-13
CR150 11
TC250 10-13
TC449 11-13
CR450 10
TXC250 10-13
TXC449 11-13
TXC450 10
TXC510 10
TXC511 11-13