The Sram PG-1070 Cassette 12-25T 10 Speed is engineered for cyclists seeking a balance of performance and durability. Weighing in at just 395 grams, this cassette features Sram's Power Glide technology, ensuring smooth and reliable shifting across its 10-speed range. Constructed with an aluminum spider and steel cogs, it offers both lightweight efficiency and robust strength. The 12-25T gear ratio provides versatile gearing options, making it suitable for various terrains and riding styles. Compatible with multiple 10-speed chains, the PG-1070 is a reliable choice for serious cyclists looking to enhance their ride.