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The Vorsprung Secus Upgrade Kit is a high-performance external air spring modification designed to transform the behaviour of your RockShox A1 fork
Flangeless seals sit flush inside the fork leg
Enduro Springs:350 | 375 | 400 | 425 | 450 | 475500 | 550 | 600 | 650 | 700 (50 lb increments from 500 lb and up)
please note that NSDynamics does not have detailed specifications from all frame manufacturers
Vorsprung Luftkappe Upgrade Kit - RockShox ZEB Size:RockShox ZEB - Luftkappe The Vorsprung Secus Upgrade KitThe Vorsprung Luftkappe Upgrade Kit is a performance enhancing air piston replacement designed specifically for RockShox ZEB forks. By enlarging the negative air chamber, it reduces the initial spring rate, allowing for higher air pressure and improved support throughout the fork's travel. This results in enhanced small bump sensitivity, better mid stroke support, and a more controlled ride feel. The Luftkappe offers a coil like sensation without the
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