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Simply put, it’s down to its specific conception with 3 independent compression ways. Low speed for comfort on small hits, medium speed to manage diving and balance of the bike and finally a circuit dedicated to high speed/impacts to flatten the ground.
To go even to flatten the ground. To go even further the Up kit is sold with Fast’s CELL FOAM kit to make a 100% sealed cartridge. Get a constant dampening, emulsion free thanks to the CELL FOAM.
+ 3 independent compression circuits + The only kit to use hydraulics to manage the diving and balance of the bike + Blow Off Valve on high speed to flatten the bumps + More grip + Comfort and endurance + 100% sealed system thanks to Fast’s CELL FOAM
The Up kit is:
An unique conception with 3 independent ways
Custom Aeronautical 7075 T6 alloy
Performing, durable, consistent
Yari Up for YARI forks from 2017 onwards. Rev Up for REVELATION forks from 2018 onwards. BOXX Up for BOXXER RC forks from 2009 to 2018.