
Specialized Future Shock 3.0 Stem Shim 1-1/8″ Alloy Adapter
Specialized Future Shock 3.0 Stem Shim 1-1/8″ Alloy Adapter
Stage 21 Bikes
23582 Moulton Parkway
#111
Laguna Woods CA 92637
United States
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The Specialized Future Shock 3.0 Stem Shim allows a standard 1-1/8″ threadless stem to be mounted securely to a Future Shock 3.0 cartridge. Precision-machined from alloy, this shim ensures proper fitment and alignment when converting to a traditional stem interface.
Key Features
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Designed for Future Shock 3.0 cartridges
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Adapts standard 1-1/8″ threadless stems
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Precision alloy construction
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Clean, secure fit for proper stem alignment
Specifications
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Inner Diameter (ID): 24.5 mm
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Outer Diameter (OD): 28.6 mm
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Height: 39.5 mm
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Material: Alloy
Compatibility
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Compatible with all Future Shock 3.0 cartridges
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Designed for use with standard 1-1/8″ threadless stems
Not compatible with stems that have a steerer clamp height greater than 40 mm.
In the Box
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Specialized Future Shock 3.0 alloy stem shim
Why It Matters
Future Shock 3.0 systems use a unique interface, and not all stems mount directly. This shim provides the correct spacing and diameter conversion to ensure a secure, properly aligned installation without compromising fit or function.

