Key benefits Smooth, reliable steering: Double sealed bearings reduce friction and maintain consistent rotation for precise handling on technical terrain and everyday rides. Longlasting performance: 3434mm aluminum alloy construction with CNC processing and anodized finish resists corrosion, wear and impact. Dirt and water protection: Fully enclosed, double sealed bearing design keeps out grime and moisture to extend service life and reduce maintenance. What it is A headset for bikes designed for 28.6mm straight steerer forks. 3434mm aluminum alloy headset cups with double sealed bearing structure. CNC processed and anodized for improved surface finish and strength. Available in black, silver, or blue. Kit includes 1x headset. Compatibility and fit Fits forks with a 28.6mm straight steerer. Works with head tube dimensions described as upper 30mm and lower 34mm. Intended for standard front fork/head tube setups matching the above dimensions. Performance and function Sealed bearings minimize friction buildup and deliver consistent rotation under load. Enclosed system prevents dirt, water and grime infiltration for more reliable performance on rough trails and in wet conditions. Durable aluminum construction provides stable alignment, reduced play and straightforward installation. Practical applications Mountain biking on rocky or muddy trails where bearing protection and stable steering are essential. Daily commuting in variable weather, reducing maintenance and keeping steering smooth through rain and road debris. Gravel and light offroad touring where durability and lowmaintenance operation improve reliability. What you get One headset in your choice of black, silver or blue, ready for installation on compatible forks and head tubes. Notes Confirm your fork steerer is 28.6mm straight and your head tube dimensions match the listed upper 30mm / lower 34mm sizes before .