Reliable 3434mm Mountain Bike Headset — Smooth, precise steering for straightsteerer forks Why you need this headset Restores and improves steering feel: sealed double bearings deliver consistent rotation and lower friction for smoother steering on technical trails. Durable, precise fit: CNCmachined aluminum alloy cups with anodizing resist wear and maintain alignment under heavy use. Broad compatibility for common MTB setups: designed to integrate securely with frames using 34mm upper and lower cup bores and standard straight steerer forks. Key features and benefits 3434mm fit: engineered to exact 34.0mm upper and lower cup dimensions for secure installation into compatible head tubes; internal geometry supports stable handling and responsive control on uneven terrain. Sealed double bearings: dual sealed bearing system reduces contamination and friction, giving reliable rotation and longer service life with minimal maintenance. quality construction: CNC machined aluminum alloy cups with anodizing treatment provide precise tolerances, improved corrosion resistance, and better wear performance in demanding conditions. Straight fork compatibility: compatible with standard straight front fork configurations (upper 28.6mm and lower 30mm); specifically suited for 28.6mm straight steerer forks for seamless installation and dependable alignment. Practical applications / use scenarios Trail maintenance: a worn or rough headset to restore crisp steering and reduce play before a long ride or race. Upgrade for durability: Fit this headset when upgrading a hardused mountain bike to get longerlasting steering performance in muddy, rocky, or dusty conditions. Bike rebuilds and custom builds: Ideal for builders assembling frames with 34mm cup bores and straight steerer forks, ensuring precise fit and reliable handling from day one. Technical summary Headset size: 3434mm (upper and lower cup dimensions 34.0mm) Steerer compatibility: straight steerer forks; upper 28.6mm and lower 30mm (suitable for 28.6mm straight steerer forks) Bearings: dual sealed bearings Material and finish: CNC machined aluminum alloy with anodizing treatment Intended use: mountain bikes requiring reliable steering performance What to expect after installation Smoother, more consistent rotation with less maintenance Precise steering alignment and improved handling on rough terrain A durable headset that holds up to trail abuse without premature wear Choose this headset when you need a precise, durable, lowmaintenance solution for straightsteerer mountain bikes that preserves steering performance and improves longterm reliability.