Compatible with Nerf N-Strike Elite Stryfe/Rapidstrike CS-18/Rebelle Rapid
It can promote shooting range and dart speed.
Color: White,Material: ABS Plastic
Package included: 2 x Flywheel
Install at your own risk! Suitable for people over 14 years old,because the installation of this product requires some disassembly capacity,some blasters are very difficult to reassemble,and because the user's mistake, we won't be able to troubleshoot.