SunRace CSMZ903 Cassette - 12-Speed 11-51t Metallic Silver CheckoutTitle=MAHLE SmartBike Systems X20 Gen 1 Freewheel Set - SRAM XDR Either side can be used

Either side can be used when installed in fore/aft pin positions of Vault pedals

230 mAh lithium polymer battery charges in 2-4 hours with micro USB cable

200000000000003 Spring Weight 375

Moulded toe cap Activity Cycling Color Silver Violet/Ftwr White/Wonder Steel Defined Color Gray Gender/Age Women's Shoe Size (US) 8 Closure Lace Size 8

34 Designed for ebike Yes Length 292 Defined Color Black Spoke Interface J-Bend

SunRace CSMZ903 Cassette - 12-Speed 11-51t Metallic Silver CheckoutTitle=MAHLE SmartBike Systems X20 Gen 1 Freewheel Set - SRAM XDR Either side can be usedThe 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