EDR Kawasaki Ninja 400 (EX400) + Z400 ninja Velocity Stacks 2018+ 990 26 or 29mm

26 or 29mm

Radial M4 108mm MonoBloc Caliper : P4 34

26 or 29mm

"Feature of RB Racing system only" NOT available with RB EVO systems

Like original OEM fork internals

EDR Kawasaki Ninja 400 (EX400) + Z400 ninja Velocity Stacks 2018+ 990 26 or 29mmUPDATED Version 6 for 2026 1 piece, no cut! The EDR Performance Ninja 400 & Z400 2018+ Velocity stack kit * All stacks are black (not red) Our Velocity are game changers. Dyno proven gains don't lie! Nearly 10% at the rear wheel! That is huge on these little guys! Developed in house on simulation software, the race track and then backed by dyno testing with real work data. Our stacks improve torque HP to smooth power delivery. Our stacks provide a