
Specialized Seatpost Clamp Binder Black - 30.0mm
Specialized Seatpost Clamp Binder Black - 30.0mm
Stage 21 Bikes
23582 Moulton Parkway
#111
Laguna Woods CA 92637
United States
Choose options
Specialized Factory Replacement Lightweight Alloy Seatpost Collar – 30.0mm With Titanium Bolt
This Specialized factory replacement seatpost collar features a lightweight round alloy construction with a narrow 30.0mm internal diameter, engineered for precise clamping on select Specialized carbon frames. A titanium bolt keeps weight to a minimum while maintaining secure, even clamping force for modern performance road and gravel platforms.
Key Features
-
Genuine Specialized OEM replacement part
-
Lightweight round alloy collar design
-
Narrow 30.0mm internal diameter
-
Corrosion-resistant titanium bolt
-
Clean, minimalist appearance consistent with factory builds
Specifications
-
Inner Diameter: 30.0mm
-
Bolt Material: Titanium
-
Maximum Torque: 55 in-lbf (6.2 Nm)
-
Material: Alloy collar / Titanium hardware
OEM Compatibility (Grouped & De-Duplicated)Crux
-
S-Works Crux (All framesets & completes) — 2022–2026
-
Crux (Pro, Expert, Comp, Frameset) — 2022–2026
Aethos
-
S-Works Aethos (All framesets & completes) — 2021–2026
-
Aethos (Pro, Expert, Comp, Sport, Frameset) — 2021–2026
Epic Hardtail
-
S-Works Epic Hardtail & Framesets — 2017–2019
-
Epic Hardtail Carbon Models — 2017–2018
Installation Notes
-
Designed for frames requiring a 30.0mm seatpost collar
-
Use a calibrated torque wrench
-
Do not exceed the maximum torque specification
-
Always verify frame compatibility before installation
A genuine Specialized factory seatpost collar, ideal for restoring proper fit, clamping security, and OEM appearance on Crux, Aethos, and select Epic Hardtail carbon frames.


