Discover the Endless Bike Fibonacci 1sp Spacer Kit collection premium aluminum spacers designed for seamless singlespeed conversions and precise chainline adjustment. Crafted from high-quality, machined aluminum, these durable spacers are engineered for performance and reliability, ensuring smooth gear transitions and optimal alignment. Made entirely in the USA, each kit features innovative engineering with multiple sizes (+/- 1mm adjustment) to accommodate different hub widths and drivetrain setups, specifically compatible with HG (8-11 speed) hubs. Ideal for cyclists seeking a customizable and lightweight solution, these spacer kits add versatility to your bike’s drivetrain, whether you’re upgrading or customizing your fixie or singlespeed build. The sleek, modern style complements various bike aesthetics, available in bold Red, Classic Black, and vibrant Blue to match your personal cycling gear. Perfect for bike shops and enthusiasts aiming to enhance performance with precision-engineered components, the Endless Bike Fibonacci spacer kits combine style, functionality, and technical excellence to improve your ride.