the Helium-BC

90/10 RSD down 800 fill provides lightweight warmth

Specialty metal Edelweiss flower button

23cm/9 in zipper at ankle with gusset

The A-Series Aluminum Chassis provides the reactive flex and power transfer of aluminum with less rigidity than previous designs

RockShox DebonAir C1 Air Spring Lyrik/Yari A1+ Kit Size:150mm the Helium-BCUpgrade your ride. The highly tunable DebonAir air spring is ready for whatever the trail demands. Buttery smooth feel off the top, now optimized to maintain higher ride height and add more confidence on technical terrain. Features: Includes DebonAir full assembly and seal head Compatible with Lyrik (2016+), Yari (2016+), Pike (2018+), and Revelation (2018+) Travel options available from 120mm 180mm depending on fork model Technology: DebonAir: A