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1, QYH FRAME - FATIGUE TEST WITH HORIZONTAL FORCES

Pull force 140kgf, push force 61kgf
Frequency: 3.0Hz 100,000 cycles without damage
2, QYH FRAME - FATIGUE TEST WITH VERTICAL FORCES
Loading force 140kgf
Frequency: 3.0Hz 100,000 cycles without damage
3, QYH FRAME - FATIGUE TEST WITH PEDALING FORCES
Pull force 140kgf
Frequency: 3.0Hz 100,000 cycles without damage


                                    


1, QYH FRAME - IMPACT TEST FALLING MASS

 Loading 22.5kg falling from 360mm/460mm without damage
2, QYH FRAME - IMPACT TEST FALLING FRAME
Falling from 300mm test twice bottom bracket 50kg seatpost 30kg
Steering head 10kg without damage
3, QYH FRAME - VIBRATION TEST
Bottom bracket 20kg/side seatpost 50kg steering head 10kg
Frequency: 2.5Hz 50,000 cycles without damage





1, QYH FORK - REARWARD IMPACT TEST

Loading 22.5kg falling from 704mm without damage
2, QYH FORK - BENDING FATIGUE TEST
Pull / Push 80 kgf
Frequency: 3.0Hz 100,000 cycles without damage
3, QYH FORK - DISC BRAKE FATIGUE TEST
Pull / Push 67kgf
Frequency: 2.5Hz 25,000 cycles without damage








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