Product Feature & QAs Q: What cassette or rear derailleur is it compatible with ? A: It's designed for 11 speed MTB driven system, compatible with most of 11 speed cassette or driven system including Shimano & Sram
Q: Is it work for 1x11, 20 speed or 30 speed? A: Yes, Sunrace better gear ratios than Shimano at the same weight, the only one design which is compatible with 1x11, 2x11 or 3x11 speed as long as a longer chain;
Q: Do I need to replace my rear derailleur, Chain or buy long B-screw? A: It comes with a free 22mm hanger extender to lower your rear derailleur to release large cog for even short and medium cage, you don't need buy B-screw or other adapter, probably you need a longer chain if you use less than 116 link
Q: What's the gearing advantage? A: 7 Sprockets on 2 Spider Carriers, 1st~9th: Hi-Tensile Steel for CSMX80, 1st~10th: Hi-Tensile Steel for CSMX8. Largest Sprocket 10th~11th: A7075 Aluminum(CSMX80) Q: What are the specific cassette it can replace? A: Generally all 11 speed MTB cassette including Shimano SRAM