Headsets

Replacement headset bearings from FSA. - Compatible with most Trek MTB integrated headset systems - Sealed bearing for long life - Compatible with Knock Block Headsets

Converts quill style forks to use threadless stems.

This is the Top Cover for the Cane Creek 40 Series ZeroStack headset. Please contact us if you have any questions about which parts are correct for your headset.

- Bearing Type: Cartridge - Weight: 86 g - Crown Race: 40 - S.H.I.S Lower: IS52 - S.H.I.S Upper: IS42 - S.H.I.S. Stem Clamp Diameter: 28.6 Threadless

KEY FEATURES: Pre 2018 Scott Genius MTB 1 1/8"—1.5" Tapered, Press Fit, ZS44/28.6 | ZS55/40, Alloy, sealed cartridge, 12.9mm stack height. BEARINGS: Sealed cartridge bearings FEATURES: - For Scott MTB carbon frames with tapered steerer tube

KEY FEATURES: - Fits Scott Genius My18 onwards Genius 1 1/8"—1.5" Tapered, Press Fit, ZS44/28.6 | ZS56/40, Alloy, sealed cartridge BEARINGS: Sealed cartridge bearings FEATURES - For Scott Genius MY18 Carbon - Including plastic topcap with L-shape

The FSA Orbit X threadless headset is constructed of aluminum and features sealed cartridge bearings. - Classic shape with modern styling for high-end road bikes - For threadless steerers - Forged and CNC machined 6061/T6 aluminum cups - Patented alignment tip for increased durability and performance - TH brand 36-degree Micro Angular Contact Bearings (red seal) - Laser etched aluminum top cap - Weight: 82g