The Sram GX Eagle Cassette XG-1275 12 Speed 10-52T is designed for cyclists who value consistent performance throughout their ride. This gear cassette offers a broad 520-percent gear range, allowing riders to maintain a steady cadence even on the steepest climbs. Constructed with FULL PIN technology, it features lightweight, precision-engineered steel cogs that are securely connected with robust stainless steel pins. Its open design, akin to the X-DOME cassette, enhances mud clearance, ensuring smooth shifting and extending the lifespan of the components. The cassette's lunar and black color scheme complements any bike build, making it a versatile choice for various setups. Expansive 520-percent gear range for improved climbing and recovery FULL PIN technology with lightweight, precision-engineered steel cogs Open design for effective mud clearance and extended component life Compatible with the industry-standard XD hub driver Available in a sleek lunar and black colorway Supports a 1x