MBX Z-Max Springs
for MBX BUL Style Tubes

All components are designed to work with MBX tubes. Other manufacture parts may be used in conjunction with MBX parts, components, or tubes but may require adjustment/fitting for maximum reliability.
MBX Z-Max 11 Coil Spring
MBX Z-Max 11 Coil Spring and Competition Follower Set for 126mm & 140mm MBX BUL Style Tubes
MBX Z-Max 11 Coil Spring for 126mm & 140mm MBX BUL Style Tubes
Single Springs
5 Pack Springs
MBX Z-Max 13 Coil Spring
MBX Z-Max 13 Coil Spring & Competition Follower Set for 170mm MBX BUL Style Tubes
MBX Z-Max 13 Coil Spring for 170mm MBX BUL Style Tubes
Single Springs
5 Pack Springs
MBX Magazines & Parts for BUL Styles