The M Part Elite Headset Upper ZS42/28.6 is a top-of-the-range, semi-integrated (Zero Stack) upper headset unit designed to deliver smooth steering performance, exact alignment, and outstanding long-term durability in all riding conditions.
Engineered to fit frames with a 42 mm inner diameter upper head tube paired with a standard 1-1/8 inch (28.6 mm) fork steerer tube, this upper assembly offers maximum weather protection and reliability for high-performance builds.
Features
- Headset Standard: Zero Stack (ZS) semi-integrated upper headset cup (ZS42/28.6)
- Head Tube Fit: Fits head tubes with a 42 mm inner diameter (ZS42)
- Steerer Fit: Fits standard 1-1/8 inch (28.6 mm) threadless fork steerer tubes
- Weather Resistance: Quad-sealed precision angular contact bearings paired with a double-sealed bearing housing protect against water and trail grime
- Flush Seal Technology: Built-in flush seals help maximize overall bearing lifespan
- Secure Alignment: Features an expanding collar design to maintain proper preload tension and prevent looseness over time
- Replacement Bearing: Compatible with standard replacement R411 bearing (30 x 39 x 6.5 mm, 45°/45°)
- Warranty: Backed by a 3-year manufacturer warranty
Contents
- 1 x M Part Elite Headset Upper ZS42/28.6
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.
Weights are based off pre-production products at time of publication. Weights may vary in final production.
