EXT Arma MX 10.5 Rear Performance Shock

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EXTSKU: EXTARR40012MM

Spring Weight: 400 lbs
Riding Style & Rear Rim Size: 12" (Mini-Moto Street)
Price:
Sale price $1,174.99
Stock:
Sold Out
Universal Fitment

Product Info

The EXT Arma MX Rear Shock is a performance coil rear suspension upgrade designed for electric off-road platforms that use linkage-mounted rear shock systems. It replaces the stock rear damper with a fully adjustable coil shock built to improve rear-end control and suspension consistency across aggressive trail and technical riding conditions. Each unit is rider-specific tuned by EXT based on setup information provided at the time of order.

Fitment:

  • Universal 10.5" Rear Shock (fits most mid sized E-Moto's) 

The Arma MX uses a reinforced damper architecture with a large 14 mm shaft and high-flow piston design to improve stability under side loading and repeated impacts. Independent adjustment for high-speed compression, low-speed compression, rebound, and hydraulic bottom-out control allows riders to fine-tune rear suspension behavior across varying terrain and riding styles.

The shock operates with low reservoir pressure to improve sensitivity and reduce cavitation while maintaining consistent damping performance during extended off-road use. A lightweight coil spring is included and selected based on rider weight to support correct sag setup and overall chassis balance after installation.

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