Serious cyclists, if you're looking to upgrade your drivetrain, these BUCKLOS chainrings are worth checking out! Made from CNC-machined 7075-T651 aluminum alloy, they're lightweight yet incredibly durable - this is the same material used in high-end aerospace applications. The 110 BCD design works with popular cranksets like Dura-Ace R9100, Ultegra R8000, 105 R7000, and similar models. You've got three double chainring options: 50-34T for climbing, 52-36T for all-around riding, or 53-39T for flat-out speed. The sharp-edged teeth design increases bite with the chain, which means better power transfer and reduced wear over time. Compatibility is solid across 10, 11, and 12-speed systems, making them versatile for various setups. Before ordering, double-check your crank's BCD specification to ensure proper fitment. The black finish looks sleek and professional, and the precision machining means smooth, quiet shifting performance. Whether you're replacing worn chainrings, building up a new bike, or just want that extra efficiency for your rides, these chainrings deliver quality performance without the crazy price tag of some OEM replacements. They're one of those upgrades that actually makes a noticeable difference in your riding experience!
Free 30-day returns 
Free 30-day returns
