Specialized Demo Headset ZS49 1-1/8 OEM Replacement

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Specialized Factory Replacement Headset for Demo Complete ZS49 Headset Assembly | 1-1/8" Steerer The Specialized Factory Replacement Demo Headset is a genuine OEM complete headset assembly designed specifically for Specialized Demo frames utilizing a 49.65mm non-tapered headtube and 1-1/8" straight steerer fork. Featuring Zero Stack (ZS49) press-fit cups, precision angular contact bearings, and all required installation components, this headset restores factory fit, performance, and steering precision. Built to keep your Demo race-ready. Genuine Specialized OEM Replacement Complete factory replacement headset assembly Designed specifically for compatible Specialized Demo frames Restores original fit, steering performance, and durability Complete Headset Kit Includes: ✔ Upper ZS49 press-fit cup✔ Lower ZS49 press-fit cup✔ Upper bearing✔ Lower bearing✔ Alloy top cover✔ Compression ring✔ Crown race Zero Stack (ZS49) Design Press-fit Zero Stack headset system Designed for frames with 49.65mm internal diameter headtube Maintains proper bearing alignment and frame compatibility Precision Angular Contact Bearings Upper & Lower Bearings: 41mm OD 30.15mm ID 6.5mm thickness 45° x 45° angular contact design Provides smooth steering performance and durability under aggressive riding conditions. Straight 1-1/8" Fork Compatibility Compatible with: Non-tapered 1-1/8" steerer tubes 30mm crown race seat diameter Specifications Brand: Specialized Product: Demo Complete Headset Headset Type: Zero Stack (ZS49) Cup Outside Diameter: 49.65mm Cup Depth: 15mm Steerer Compatibility: Straight 1-1/8" Top Cover: 46mm OD x 4mm height alloy Compression Ring: Split alloy, 6mm height Crown Race: Split alloy, 30mm ID Bearing Size: 41mm OD x 30.15mm ID x 6.5mm Bearing Angle: 45° x 45° MPN: S212500008 OEM Model Compatibility Compatible with: 2025 Demo Race Frameset Demo Race 2024 Demo Race Frameset Demo Race 2023 Demo Race Frameset Demo Race Demo Expert 2022 Demo Race Frameset Demo Race Demo Expert 2021 Demo Race Frameset Demo Race Demo Expert 2020 Demo Race 29 Frame Demo Race 29 Demo Expert 29 2019 Demo Race 29 Frame Demo Race 29 Demo Expert 29 Ideal For ✔ Demo frame headset replacement✔ Downhill bike maintenance✔ Restoring steering precision✔ Bearing and headset service repairs Why Choose Genuine Specialized Headsets? • Exact OEM fit and compatibility• Complete replacement solution• High-quality angular contact bearings• Smooth steering performance• Designed specifically for Specialized Demo frames The Specialized Factory Replacement Demo Headset provides the exact OEM solution for maintaining smooth steering, reliable bearing performance, and factory-correct fit on compatible Specialized Demo downhill bikes. Show more