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MTB High Speed Compression Adjuster

The Elka Suspension high-speed compression circuit is an adjustable blow-off valve that momentarily relieves the pressure building up inside the shock upon a harsh impact, instantly providing additional plushness then increased resistance as needed. The adjustment controls the level of force (threshold) required to open the blow-off valve upon fast movement of the shock’s shaft (high velocity) which can be caused by square-edged impacts, roots, rocks, potholes, vibration or brake bumps. When set properly, the high-speed compression circuit allows the wheel to effectively absorb all impacts without bottoming out or using too much travel.

Start with the adjustment in the fully open position (completely turned counterclockwise) and take a test ride. If you tend to bottom out often or use too much travel upon impacts or repetitive bumps, add more resistance by turning the adjuster one click at a time until you bottom out only once in a while upon major impacts.

 

HOW TO USE IT:

INCREASING THE HIGH-SPEED COMPRESSION
(MORE RESISTANCE BEFORE BLOWING OFF)

To increase the high-speed compression threshold, thus increasing the level of force required to activate the blow-off valve, turn the black high-speed compression adjuster knob clockwise (screw in). There is about 22 clicks of high-speed compression adjustment. When the high-speed setting gets too hard, the shock absorber will not be able to effectively absorb impacts, thus making the ride harsh.

REDUCING THE HIGH-SPEED COMPRESSION
(LESS RESISTANCE BEFORE BLOWING OFF)

To reduce the high-speed compression threshold, thus decreasing the level of force required to activate the blow-off valve, turn the black high-speed compression adjuster knob counterclockwise (unscrew). When the high-speed setting gets too soft, the suspension will use more travel upon impacts and become more prone to bottoming out. The goal is to run as little high-speed compression as possible to have a plush and comfortable ride without bottoming out.