SunRace CSMZ903 Cassette - 12-Speed 11-51t Metallic Silver CheckoutSpec= 2024 Live Valve Neo Post Weld Machining: The Mid

Post Weld Machining: The Mid BB and Headtube is machined to its absolute minimum without sacrificing strength or durability–machining happens after welding for a precision bearing fit

For increased speed and durability use the Rode Wool Roto

3M reflective strands woven into the elastic nylon webbing help you be visible to cars and fellow riders in at night

Spring preload collar with detents and max / min number of clicks and direction arrow

SunRace CSMZ903 Cassette - 12-Speed 11-51t Metallic Silver CheckoutSpec= 2024 Live Valve Neo Post Weld Machining: The MidThe SunRace MZ 12 Speed Cassette offers a wide ratio design. Range 11 51 Cogs 11 13 15 17 19 21 24 28 33 39 45 51 Cassette Body Type Shimano HG Drivetrain Speeds 12 Color Metallic Silver Weight 497 Defined Color Silver