Specialized 30.6mm Alloy Seatpost Clamp OEM Diverge Tarmac Crux

Specialized Factory Replacement Alloy Seatpost Clamp

30.6mm ID | OEM Road, Gravel & E-Road Seatpost Collar

The Specialized 30.6mm Alloy Seatpost Clamp is a genuine factory replacement designed to provide secure, reliable seatpost retention across a wide range of Specialized road, gravel, and e-road bicycles. Featuring an extra-tall collar design and durable alloy construction, this clamp increases clamping surface area for improved holding power while helping distribute force more evenly around the seatpost.

Originally specified on MY23 Diverge models, this OEM clamp is ideal for replacing worn hardware, eliminating seatpost slip, or restoring factory-correct fit and appearance.

Genuine Specialized OEM Replacement

• Original Specialized factory replacement part
• Direct-fit replacement for compatible models
• Manufactured to Specialized factory specifications

Extra-Tall Collar Design

• Increased clamping surface area
• Improved seatpost retention and stability
• Helps reduce seatpost movement under heavy loads
• Particularly beneficial for gravel and endurance bikes

Carbon & Alloy Frame Compatible

Designed to provide even clamping force across:

✔ Carbon frames
✔ Alloy frames
✔ Carbon seatposts
✔ Alloy seatposts

The taller collar design helps reduce localized pressure while maintaining secure clamping performance.

Durable Alloy Construction

• Lightweight alloy clamp body
• Corrosion-resistant finish
• Built for long-term durability and reliable performance

Integrated Steel Hardware

• Includes factory-installed steel clamp bolt
• Provides consistent torque retention
• Easy installation and adjustment

Specifications

• Brand: Specialized
• Product: Seatpost Clamp
• Material: Alloy
• Bolt Material: Steel
• Inner Diameter: 30.6mm
• Maximum Torque: 55 in-lbf (6.2 Nm)
• Style: Round Clamp
• OEM Replacement: Yes
• MPN: S194700002

What's Included

✔ Specialized Alloy Seatpost Clamp

✔ Integrated Steel Clamp Bolt

Compatibility Notes

• Designed for frames requiring a 30.6mm seatpost clamp
• Not compatible with integrated seat binders
• Not compatible with wedge-style seatpost retention systems
• Always verify frame clamp diameter before ordering

OEM Compatibility

Used across numerous Specialized models, including:

Specialized Diverge (2017–2026)

• Carbon Models
• E5 Models
• Comp
• Expert
• Pro
• Framesets

Specialized Crux DSW (2025–2026)

• Complete Bikes
• Framesets

Specialized Tarmac SL6 (2019–2023)

• Sport
• Comp
• Disc Models

Specialized Turbo Creo SL (2020–2023)Specialized Turbo Vado SL (2020–2023)Specialized Chisel (2018–2020)

• Framesets
• Complete Bikes

Ideal For

✔ Replacing worn seatpost clamps
✔ Eliminating seatpost slip
✔ Bike builds and restorations
✔ OEM warranty repairs
✔ Gravel, road, and e-road maintenance

Why Choose Genuine Specialized Hardware?

• Exact OEM fit and compatibility
• Proper clamp diameter and torque specification
• Even clamping force distribution
• Helps prevent seatpost movement and creaking
• Maintains factory appearance and performance

The Specialized 30.6mm Alloy Seatpost Clamp delivers secure seatpost retention, factory-correct fitment, and long-lasting durability for a wide range of Specialized road, gravel, and e-road bicycles.