The Sram PG-1050 Cassette 12-27T 10 Speed is engineered for performance and durability, making it an ideal choice for serious cyclists. Weighing in at just 395 grams, this cassette features Sram's Power Glide technology, ensuring smooth and reliable shifting across its 10-speed range. The combination of an aluminum spider and steel cogs provides both strength and longevity, while the versatile 12-27T gear ratio allows for efficient pedaling on various terrains. Compatible with multiple 10-speed chains, the PG-1050 is designed to enhance your cycling experience, whether you're climbing hills or cruising on flat roads.