EXT Spring for EXT Arma MX
Brand new replacement springs for EXT Arma MX shocks.
High performance 90mm(3.5") max stroke MX 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
Spring Rate Suggestions
The advanced tuning available on this shock allows a high degree of adjustment and tuning for the rider to dial in exactly how you want this shock to perform, from ultra-plush to ultra-stiff to anything in-between. Please see the recommended settings at the bottom of this page.
| Rider Weight | Spring | Extended Swingarm |
| <150 | 400 | 450 |
| 150-170 | 450 | 500 |
| 170-195 | 500 | 550 |
| 195-220 | 550 | 600 |
| 220-250 | 600 | 650 |
| 250+ | 650 |
* This chart is perfect for trail riders and for those wanting plush suspension that utilizes full travel. If you want a stiffer rear end and/or jump large jumps (MX track, dirt jumps, etc), go one size heavier than the chart suggests.
Brand new replacement springs for EXT Arma MX shocks.
High performance 90mm(3.5") max stroke MX 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
Spring Rate Suggestions
The advanced tuning available on this shock allows a high degree of adjustment and tuning for the rider to dial in exactly how you want this shock to perform, from ultra-plush to ultra-stiff to anything in-between. Please see the recommended settings at the bottom of this page.
| Rider Weight | Spring | Extended Swingarm |
| <150 | 400 | 450 |
| 150-170 | 450 | 500 |
| 170-195 | 500 | 550 |
| 195-220 | 550 | 600 |
| 220-250 | 600 | 650 |
| 250+ | 650 |
* This chart is perfect for trail riders and for those wanting plush suspension that utilizes full travel. If you want a stiffer rear end and/or jump large jumps (MX track, dirt jumps, etc), go one size heavier than the chart suggests.
Original: $155.00
-70%$155.00
$46.50Description
Brand new replacement springs for EXT Arma MX shocks.
High performance 90mm(3.5") max stroke MX 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
Spring Rate Suggestions
The advanced tuning available on this shock allows a high degree of adjustment and tuning for the rider to dial in exactly how you want this shock to perform, from ultra-plush to ultra-stiff to anything in-between. Please see the recommended settings at the bottom of this page.
| Rider Weight | Spring | Extended Swingarm |
| <150 | 400 | 450 |
| 150-170 | 450 | 500 |
| 170-195 | 500 | 550 |
| 195-220 | 550 | 600 |
| 220-250 | 600 | 650 |
| 250+ | 650 |
* This chart is perfect for trail riders and for those wanting plush suspension that utilizes full travel. If you want a stiffer rear end and/or jump large jumps (MX track, dirt jumps, etc), go one size heavier than the chart suggests.
