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Navigate:  StoreFront / Suspension / Coilover Suspension (Street & Track kits) / Suspension Techniques Coilovers / Suspension Techniques - Mini Cooper (inc S) Street Coilover Kit
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Suspension Techniques - Mini Cooper (inc S) Street Coilover Kit

ST-90242 $1,149.99
$979.95
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Chassis Type: R50 / R53
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Made by KW Suspensions for Suspension techniques; the leader worldwide for height adjustable coilover system brings an affordable system for the street enthusiast under the ST brand name.
KWs expert suspension engineers and drivers ideally setup the springs and dampers for sporty yet streetable ride and performance, while you set the ride height exactly where you want it.
  • Adjustable Lowering Heights Front: 0.8"-2.0" Rear: 0.8"-2.0"

ST Suspensions Spring Strut Construction
Excellent all around performance, providing a balance between performance and comfort for everyday use
High-quality components for long durability
Use of twin-tube technology, independent reactions from damping inputs minimized chassis vibrations and increase driving dynamics
Coilovers come with all necessary components, vehicle-specific certificate and installation instructions

ST's twin tube shock absorbers:
With a Twin-Tube shock absorber, the piston works inside of an inner Tube. The space between the inner tube and the casing is used as an equalization chamber. Changes in volume due position of the piston rod change the oil level in the equalization chamber between the outer casing and inner Tube.

Compression phase:
When the car moves downwards in the direction of the road, the piston rod is moved upward.
The oil displaced by the piston rod is pressed into the equalization chamber between the Tubes via specially designed orifices in the compression valve at the lower end of the inner Tube. The resistance that is created through this valve creates the actual compression forces. Oil underneath the piston also flows upwards through the piston check valve with low resistance which also influences the damper characteristics.

Rebound phase:
When the car travels upwards, away from the road, the shock absorber rod is extended. The piston rod is extending outward from the housing. The rebound phase valve at the lower Tube resists the oil that flows downwards through the holes in the space above the Tube. Therefore the upward motion is slowed down. When the piston rod is pulled out of the case, its volume is balanced out by the oil that flows from the equalization chamber back into the inner tube through the compression check valve.



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