Öhlins STX 46 Blackline Shock Absorber YA 580hlins STX 46 Blackline Shock Absorber YA 580 Ohlins YA580 S46HR1C1S with length 329mm model STX 46 Blackline for Yamaha MT09 has been specifically designed to improve the effectiveness of your motorcycle's rear suspension. Developed with Ohlins technology STX has a 46mm internal piston, it's a monotube high pressure gas type of shock absorber with hose mounted external reservoir. it's adjustable rebound damping and adjustable compression damping with