SunRace CSMZ902 12 Speed Wide Ratio ST1911 11-51T Cassette, Black,

We offer a wide variety of products, and the following precautions apply to some of them. Please note that they are listed for all products. 【Voltage Compatibility】Designed for Japanese voltage (90-110V). Using with a different voltage may cause malfunction. 【Plug Type】Japanese plugs (A or B type). Use a conversion adapter if needed. 【Transformers & Adapters】Transformers adjust voltage; adapters only change plug shape. Using an adapter without a transformer may damage the product. 【Liability】We are not responsible for damages caused by improper use, such as using the product without a transformer. - 11-13-15-17-19-21-24-28-33-39-45-51 Cogs - Chain Compatibility: 12 speed - Color: Black (as pic. shown) - OEM package (This item is exactly as pictured and does not include retail package) Contents: 1pc/pack - 11-13-15-17-19-21-24-28-33-39-45-51 Cogs - Spider Material: Aluminum / Red Anodized - Chain Compatibility: 12 speed - A7075 Aluminum 45-51T Sprocket - Aluminum Lockring & Spacers - Compatible with 12 speed SRAM / Shimano long cage derailleur (If you would like to use medium or short rear derailleur, you have to purchase a Cassette adapter) - Color: Black (as pic. shown) - Weight: Approx. 549g - OEM package (This item is exactly as pictured and does not include retail package) Contents: 1pc/pack