Fast Ace BDA51AR Rear Shock Absorber – 250lb Spring – CRF50 XR50 CRF70 XR70 TTR50 Pit Bike

Fast Ace BDA51AR Rear Shock – 250lb Spring Rate

Upgrade your pit bike or mini moto suspension with the Fast Ace BDA51AR rear shock absorber. Built for standard triangle-style swingarms, this high-quality race shock delivers adjustable preload, an external reservoir, and rebound damping adjustment — giving you a tunable, performance-oriented ride on the track or trail.

Specifications

• Part Number: BDA51AR
• Spring Rate: 250 lb
• Eye-to-Eye Length: 260mm (~10.5")
• Eyelet Size: 10mm (CRF/XR standard)
• Reservoir: Yes — mounted on bottom (CRF/XR50 configuration)
• Adjustments: Spring preload + rebound damping
• Swingarm Compatibility: Triangle / A-style swingarms only

Fitment

• ✅ Honda CRF50F / XR50
• ✅ Honda CRF70 / XR70
• ✅ Yamaha TTR50
• ✅ SDG Xtreme
• ✅ Most import pit bikes with standard triangle-style swingarm
• ❌ Not compatible with non-triangle or non-standard swingarm configurations