Other

DRCV (Dual Rate Control Valve)
Exclusively on TREK Bikes
NOT Compatible
Suspension forks and rear shocks that feature the DRCV designation CANNOT be used with ShockWiz. During a specific point in compression a valve within the air-spring is opened, which alters the air volume of the positive air spring and changing it's compression ratio.
Coil spring fork/shock
NOT Compatible
ShockWiz CANNOT be used with ANY coil sprung suspension fork or shock.
Coil spring rear shocks with IFP Schrader valve
NOT Compatible
ShockWiz cannot be used when attached to a coil-over shocks IFP air chamber, located on the shock's reservoir.