RockShox ZEB A1+ DebonAir+ Buttercup Air Spring Upgrade Kit - 150 mm ZEB A1+ rails-carbon Ultra-light hollow carbon fiber crankarms

Ultra-light hollow carbon fiber crankarms are 29 g lighter than previous generation

Not compatible with the original NV rack

Machined 6082 aluminum collars lock tightly with integrated grip core

5"Designed for ebike YesExternal Adjustments Low Speed Compression DampingExternal Adjustments Rebound DampingDefined Color BlackPositive Spring AirStanchion Diameter 35

5" Tire Bead Folding Labeled Size 27

RockShox ZEB A1+ DebonAir+ Buttercup Air Spring Upgrade Kit - 150 mm ZEB A1+ rails-carbon Ultra-light hollow carbon fiber crankarmsRockShox ZEB A1+ DebonAir+ Buttercup Air Spring Assembly Upgrade Kit 150 mm. The new DebonAir+ is built to strike the perfect balance of what riders really want: butter like small bump feel increased air volume to add support throughout the travel and higher overall ride height for more confidence when things get steep.