EXT ARMA Rear MX Spring

High performance 90mm(3.5″) max stroke EXT ARMA Rear MX eBike, eMoto Spring
Super Alloy Spring (proprietary super light design)
Highly Linear Ratio
Hard Epoxy Coating
Internal Diameter: Ø38.5 mm
The lightest steel springs on the market
Developed in our automotive racing programs
50lb increments; C90-450/C90-500/C90-550/C90-600
Adaptable for all type of dampers in the market
Life duration: over 500.000 cycles
Shock Powersports eBike Parts.