STX 46 Supersport Shock Absorber - AP 660

About the Product hlins STX 46 Supersport Rear Shock Performance & Comfort Upgrade for Aprilia RS 660 / Tuono 660 Engineered specifically for lightweight supersport machines, the hlins STX 46 Supersport Rear Shock delivers the perfect balance of comfort, control, and performance. Whether you're carving corners on track or enjoying weekend rides, this shock provides improved stability, better traction, and enhanced rider confidence. Designed for Aprilia RS 660 (20212022) and Tuono 660 (20212022), the STX 46 combines race-proven hlins engineering with everyday rideability giving you the best of both worlds. Performance Benefits Improved rear traction and cornering stability Increased rider confidence and control Consistent damping performance under hard riding Adjustable ride height without sacrificing suspension travel Comfortable yet performance-focused suspension behavior Advanced STX Technology Monotube STX 46 Design hlins' proven single-tube construction delivers consistent damping performance and excellent temperature stability. External Hose-Mounted Reservoir Maintains optimal pressure balance and damping consistency, even under extreme riding conditions. Adjustable Compression & Rebound Damping Fine-tune suspension behavior for track performance, aggressive street riding, or comfort-focused setups. Integrated Length Adjuster Adjust ride height and geometry without affecting suspension stroke ideal for performance tuning. High-Pressure Nitrogen Gas System Improves damping consistency and reduces fade during aggressive riding. Premium Internal Components Hard-anodized CNC-machined parts, low-friction shaft, and advanced seal head design ensure durability and smooth suspension operation. Fully Serviceable Race Construction Built for long-term performance with full rebuild and service capability. Key Features STX 46 monotube shock technology Adjustable rebound and compression damping External hose-mounted reservoir Adjustable shock length / ride height High-pressure nitrogen gas-charged design Adjustable preload (tool required) 46 mm piston diameter Precision CNC-machined, hard-anodized components Low-friction shaft and seal head design Fully rebuildable and serviceable Technical Specifications Specification Details Technology STX 46 Monotube Length 309 mm (+0.5 / -5.5 adjustable) Stroke 51 mm Oil hlins 1309 Spring 01093-64 (Y) Spring Rate 160 N/mm Compatibility Aprilia RS 660 (20212022), Tuono 660 (20212022) TV Approved Yes Ideal For Riders seeking improved comfort and performance Track-day and aggressive street riding Lightweight supersport and middleweight performance builds Riders wanting adjustable, high-quality rear suspension.