
Cannondale Silicone Seatpost Grommet D Shape OEM 2020–2023
Cannondale Silicone Seatpost Grommet D Shape OEM 2020–2023
Stage 21 Bikes
23582 Moulton Parkway
#111
Laguna Woods CA 92637
United States
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Cannondale Factory Replacement Silicone Seatpost Grommet – D Shape
This genuine Cannondale factory replacement seatpost grommet is designed to seal the seat tube opening on compatible Cannondale frames using a D-shaped seatpost. Made from flexible silicone rubber, it helps reduce water, dirt, and debris ingress while maintaining a clean, factory-correct appearance.
Ideal for replacing worn, torn, or missing original grommets during routine service or frame refresh.
Key Features & Benefits
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Genuine Cannondale OEM replacement part
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Designed for D-shaped seatposts
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Flexible silicone construction for a tight, weather-resistant seal
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Reduces moisture and contamination inside the frame
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Restores clean, factory-original appearance
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Direct replacement — no modification required
Application
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Seatpost opening seal
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Prevents dirt, water, and grime ingress at the seat tube
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Cosmetic and protective frame component
Compatibility
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Model Years: 2020–2023
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Seatpost Shape: D-Shape
(Verify frame and seatpost compatibility before ordering)
Specifications
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Material: Silicone rubber
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Shape: D-Shape
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Color: Black
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Manufacturer Part Number: K26070
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Brand: Cannondale (OEM)
What’s Included
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1 × Cannondale Silicone Seatpost Grommet (D-Shape)
Recommended For
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Replacing damaged or missing seatpost grommets
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Maintaining frame cleanliness and internal protection
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OEM-correct restorations and service work
Why Buy OEM?
Using genuine Cannondale frame hardware ensures:
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Correct fit and sealing
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Long-term durability
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Factory-correct appearance
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Protection of internal frame components
A simple but essential OEM replacement for keeping your Cannondale frame protected, clean, and factory-correct.


