The SR SUNTOUR TRIAIR 2 Air Rear Shock is designed for mountain bikes, downhill bikes, and full-suspension frames requiring a 250x70mm rear shock. Featuring an air spring structure, rebound damping adjustment, and a 3-position compression lockout, it helps improve riding comfort and control on rough terrain.
Built with a high-strength aluminum alloy body, this rear shock offers reliable performance for demanding MTB, DH, and trail riding applications.
Air spring suspension design
Air pressure can be adjusted to match rider weight, riding style, and terrain conditions.
Rebound damping adjustment
Red rebound knob allows the rider to fine-tune rebound speed for better control.
3-position compression lockout
Blue compression lever supports Open / Medium / Firm modes for different riding needs.
Piggyback reservoir design
Helps improve damping performance and stability during high-intensity riding.
High-strength aluminum alloy body
Durable construction for rough mountain trails and downhill riding.
Comfortable shock absorption
Reduces vibration and impact from uneven roads, improving riding stability.
| Item | Details |
|---|---|
| Brand | SR SUNTOUR |
| Model | TRIAIR 2 |
| Product Name | Air Rear Shock Absorber |
| Item No. | Suntour-250MM-Air-Shock |
| Type | Air Rear Shock |
| Size | 250x70mm |
| Eye-to-Eye Length | 250mm |
| Stroke | 70mm |
| Mounting Bushing Width | 22.2mm |
| Mounting Bolt Hole | 8mm |
| Material | Aluminum Alloy |
| Color | Black |
| Weight | Approx. 557g |
| Max Main Body Air Pressure | 300 PSI |
| Piggyback Pressure Range | 170–200 PSI |
The red rebound knob adjusts the return speed of the shock:
The blue lever provides 3-position adjustment:
Mounting hardware may vary by frame and is not guaranteed unless stated.








