Bike mechanics and cycling enthusiasts, this MicroHERO rotor adapter is some seriously clever engineering! This CNC-machined aluminum alloy adapter converts 6-hole MicroHERO setups to center lock rotors - perfect for upgrading your brake system. Weighing only 26 grams (about 0.9 oz), it's incredibly lightweight without sacrificing durability. Made from AL7075 aluminum alloy, the same stuff used in high-performance aerospace applications. The base measures approximately 2.0 inches (52 mm) in diameter with pins that are 0.19 inches (4.95 mm) thick. The locking ring has a 1.7 inch (44 mm) outer diameter. Works great with floating disc rotors and attaches using your standard cassette sprocket tool. Perfect for weight-conscious riders looking to shave grams while maintaining reliability. The black finish looks sleek and professional on any bike setup. No manual included, but installation is straightforward if you're familiar with bike components. Whether you're building up a new bike or upgrading your current ride, this adapter makes switching to center lock rotors simple and effective. Your brakes will work smoother and look cleaner with this precision piece!