Brand new 12speed sunshine SZ cassette. 11-50t. (1011148)
HAS High wear-resistant chrome molybdenum steel teeth cog, with strengthened plating/ imtergrated forging. The cassette has a hollow design to reduce weight, & a high precision tooth design, and is compatible with standard Shimano cores. compatible with Shinano, RAM, LTwOO, Sensha & microshift. Weight is about 611g