Adapteris SunRace SP570 rear derailleur extended link

The SP570 Extended Link is a rear derailleur extension, which allows you to use cassettes with large gradations. It makes possible to use conventional derailleurs with an 11-40, 11-42 or 11-46 wide range cassette.Compatible with:Shimano SLX RD-M7000-10-SGS for 11-46 cassettes (10-speed)Shimano DEORE RD-M6000-SGS for 11-46 cassettes (10-speed)Shimano DEORE RD-M615-SGS for 11-42 / 11-46 cassettes (10-speed)Shimano ACERA RD-M390-SGS for 11-40 cassettes (9-speed)Shimano TY RD-TX800 for 11-40 cassettes (8-speed)Sram GX 2015 (Type 2.1) LD for 11-46 cassettes (10-speed)Sram X9 2015 (Type 2.1) MD for 11-46 cassettes (10-speed)Sram X5 for 11-42 / 11-46 cassettes (10-speed)List is not full, it may work with some other models, tooMaterial: 7075 AluminiumWeight: ~ 12 g