Guangzhou Guomat Air Spring Co., Ltd.
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Rubber One Convoluted Air Springs 1B7070 Cross Weforma WBE 200-E1 For Bicycle Seat
Cross reference
Weforma WBE 200-E1
Weforma WBE 200 E1
Weforma WBE200-E1
Weforma WBE200 E1
Weforma WBE200E1
Cotitech FS 70-7
Cotitech FS70-7
Cotitech FS 70 7
Cotitech FS70 7
Phoenix SP 1 B 05
Phoenix SP 1B 05
Phoenix SP1 B 05
Phoenix SP1B 05
Phoenix SP1B05
Bosch 82241900
Festo EB-165-65
Festo EB 165 65
Festo EB165 65
Festo EB16565
Specifications and Detailed Technical Parameters:AIRSUSTECH 1B7070
Nut/blind nut
Top plate screw (nut) teeth: 2XM8x1.25
The screw center distance of the top cover plate: 44.5mm
Screw (nut) teeth of the bottom cover plate: 2XM8x1.25
The screw center distance of the bottom cover plate: 44.5 mm
Air hole/air inlet/air fittings
Air hole/air inlet: 1/4
The screw center distance between the air hole and the nut: 22.25mm
Cover plate
Top plate diameter: 105 mm
Diameter of the bottom cover: 105 mm
Bell rubber bellows
Maximum diameter of rubber bellows: 165 mm
Natural diameter of rubber bellows: 150 mm
Required installation diameter: 180mm
Working stroke: 65mm
Maximum height: 115 mm
Minimum height: 50 mm
Bumper block/bumper block
No bumper block
Belt loop/Belt loop/Girdle hoop
With belt loop: Without
Min. pressure: 0 bar
Return force to min.height: ≤200N
Overall weight with clamped plates: 1.2kg
Vibration isolation - dynamic characteristic values
Design Height H: recommended 90mm, minimum 70mm
| Pressure p[bar] | 3 | 4 | 5 | 6 | 7 | 8 | Vol. V[l] |
| Force(Load) [KN] | 2.7 | 3.7 | 4.7 | 5.7 | 6.6 | 7.7 | 0.9 |
| Spring rate [N/cm] | 1040 | 1270 | 1530 | 1770 | 2060 | 2325 | |
| Natural frequency [Hz] | 3.1 | 2.9 | 2.9 | 2.8 | 2.8 | 2.7 |
Pneumatic application-static characteristic values
Force F[KN]
| Pressure p [bar] | 3 | 4 | 5 | 6 | 7 | 8 | Vol. V [l] | |
| Height H[mm] | 100 | 2.2 | 3.1 | 4.0 | 4.8 | 5.7 | 6.6 | 1.0 |
| 90 | 2.7 | 3.6 | 4.6 | 5.6 | 6.5 | 7.5 | 0.9 | |
| 80 | 3.1 | 4.1 | 5.1 | 6.2 | 7.3 | 8.3 | 0.8 | |
| 70 | 3.4 | 4.5 | 5.6 | 6.7 | 7.9 | 9.0 | 0.7 | |
| 60 | 3.6 | 4.8 | 6.0 | 7.2 | 8.4 | 9.5 | 0.6 | |
1B7070 Air Spring Used In Bicycle Seat
The air spring under the bicycle seat cushion mainly acts as a shock absorber.
When the bicycle passes through the bumpy road, it can buffer the vibration of the bumpy road, avoid sudden and strong vibrations that cause safety hazards to riding, and make riding safer and more comfortable.
The design with an air spring under the seat cushion is usually used on bicycles with leisure and transportation functions, which can improve the comfort and safety of riding.
Packing Details
| Model Size | Net Weight(kg) | Gross Weight(kg) | Box Weight(Kg) | Box Size(cm) | Packing quantity |
| 1B7070 | 1.378 | 17.116 | 0.58 | 33*33*22 | 12 |
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