X-Fusion O2-PRO RL Trunnion Air Rear Shock O2-PRO-TRUNNION-185 Adjustable MTB Suspension 185/225mm

The X-Fusion O2-PRO RL Trunnion Air Rear Shock is designed for mountain bikes, soft-tail bikes, and compatible full-suspension frames using a trunnion mount system. It features air pressure adjustment, rebound damping adjustment, and lockout function, allowing riders to tune suspension performance for different riding styles and terrain.

Built with a high-strength aluminum alloy body, this rear shock offers improved durability, compression resistance, and stable performance on rough trails. Available in 185 x 55mm and 225 x 75mm options, it is suitable for riders looking for a lightweight and adjustable rear suspension upgrade.

Key Benefits

• Air Pressure Firmness Adjustment
  Adjust shock firmness with a professional shock pump. Increase air pressure for a firmer feel, or reduce air pressure for a softer ride.

• Rebound Damping Adjustment
  The rebound knob allows riders to control the return speed after compression for smoother and more stable handling.

• Lockout Function
  The lockout lever helps reduce suspension movement for better pedaling efficiency on climbs and smooth roads.

• Trunnion Mount Design
  Designed for compatible trunnion-mount frames, offering a secure and modern rear suspension setup.

• Comfortable Shock Absorption
  Helps reduce bumps from complex road conditions and improves riding comfort and safety.

• High-Strength Aluminum Alloy Body
  Durable, pressure-resistant, and suitable for demanding riding conditions.

• Clear Model and Travel Markings
  Includes model identification, American-style air valve, and travel ring for easy setup and checking.

Suitable For

• Mountain bikes
• Soft-tail bikes
• Full-suspension MTB frames
• Trail bikes
• Enduro-style bikes with compatible mounting
• Rear shock replacement or upgrade
• Riders needing adjustable air suspension with lockout

Specifications

Size Options

Mounting Reference

Package Information

Package Includes

• 1 × X-Fusion O2-PRO RL Trunnion Air Rear Shock Absorber

Notes

• Please confirm your frame requires a trunnion mount rear shock before purchase.
• Check the eye-to-eye length, travel, trunnion width, and lower bushing size before installation.
• Use a professional shock pump for air pressure adjustment.
• Avoid using lockout on rough terrain or during heavy impacts.
• Manual measurement may cause slight size differences.
• Professional installation is recommended.