Specialized FSA No.42 Tapered Headset 1-1/8 to 1.5 OEM MTB

Specialized FSA No.42 Integrated Tapered Headset – 1-1/8" to 1.5" This genuine Specialized factory replacement integrated headset is built around the FSA Headset No.42, designed for tapered mountain bike and e-MTB frames using a 1-1/8" upper and 1.5" lower steerer. The kit includes all required components for a complete headset replacement, ensuring smooth steering, proper bearing preload, and factory-correct fitment. Ideal for headset service, frame rebuilds, or restoring OEM performance on compatible Specialized mountain and electric mountain bikes. Included Components Top Cover Diameter: 45.5mm Style: “Hella Flush” low-profile Part Ref: H2387 Upper Bearing (1-1/8") Dimensions: 41.8mm OD × 30.5mm ID × 8mm thick Interface: Campy Style 45×45° Lower Bearing (1.5") Dimensions: 52mm OD × 40mm ID × 7mm thick Interface: Campy Style 45×45° Split Alloy Compression Ring Split Alloy 1.5" Crown Race 1-1/8" Micro Shim Features & Benefits Genuine Specialized OEM replacement headset Complete kit — no additional parts required Smooth sealed bearings for long service life Low-profile “hella flush” top cover for clean aesthetics Designed for tapered steerer mountain & e-MTB frames Ideal for maintenance, rebuilds, or frame swaps Compatibility (OEM Use) Compatible with the following Specialized mountain and electric mountain bikes: Camber FSR Camber FSR Men Camber FSR Women Enduro Enduro FSR Epic FSR Epic Hardtail Fatboy Fuse Kenevo Kenevo FSR Levo Levo FSR Levo FSR Men Levo FSR Women Levo Hardtail Levo Hardtail Fat Levo Hardtail Men Levo Hardtail Women Levo Men Levo Women Rhyme FSR Rumor FSR Stumpjumper Stumpjumper FSR Stumpjumper FSR Men Stumpjumper FSR ST Men Stumpjumper FSR ST Women Stumpjumper FSR Women Stumpjumper Hardtail Stumpjumper ST Compatibility Notes Designed for tapered steerer tubes (1-1/8" to 1.5") Integrated headset design (IS) Crown race and compression components included Always verify frame bearing dimensions before ordering