Replacement spring actuated Future Shock 1.5 cartridge.

• Provides 20mm of axial compliance for a smooth & controlled ride quality on rough roads.
• Progressive spring rate tuned for gravel riding.
• Includes 24.5mm OD shim for mounting a Specialized Future Stem.
• Not compatible with non-Future Shock equipped bikes.
• Shim for after-market 1-1/8″ stems sold separately – part# S199900023.