Ultimate MTB 12 Speed Lightweight 376G Cassette 10-50T MS ULT Micro K7 Spline 12

10-50T about 375g/ 10-52T about 376g. ZTTO Ultimate Series - MS Standard 12 SPEED 10-50T/10-52T ULT CASSETTE. ZTTO brings new cassettes using CNC technology. MS Hub Compatible. All 12speed rear derailleurs are compatible, just make sure your hub is MS standard, then it can fit.

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