SunRace cassette CSMZ903 WA1 12 11-51T (METALLIC)
12-speed cassette SunRace CSMZ903 WA1
Manufacturer: SunRace
Cassette model: CSMZ903WA1
Number of sprockets: 12 (9 steel, the three largest aluminium 7075)
Sprocket range: 11–13–15–17–19–21–24–28–33–39–45–51
Weight: 517 g
Material: steel, Al (spider and lockring)
Colour: silver
Intended for professional servicing.
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