• Product Type: R8-A Direct installation Long cage for 21-24 speed MTB Standard color：CP or ED

• Product Type: R2-A Direct installation Long cage for 21-24 speed MTB Standard color：CP or ED

• Product Type: RD24-A With long bracket，with luxury sticker Short cage for 18-24 speed Standard color：CP or ED

• Product Type: RD24-B With long bracket，with luxury sticker Short cage for 18-24 speed Standard color：CP or ED

• Product Type: R3-A Direct installation Short cage for 15-18 speed MTB Cage length：65mm Max chainwheel：28T Standard color：CP or ED

• Product Type: RD23-A With long bracket indirect installation With luxury sticker Long cage for 18-21 speed Cage length：75mm Max chainwheel：30T Standard color：CP or ED

• Product Type: RD23-B With long bracket indirect installation With luxury sticker Long cage for 18-21 speed Cage length：75mm Max chainwheel：30T Standard color：CP or ED

• Product Type: RD50-A With long bracket indirect installation With luxury sticker Long cage for 18-21 speed Cage length：85mm Max chainwheel：43T Standard color：CP or ED

• Product Type: RD50-B With long bracket indirect installation With luxury sticker Long cage for 18-21 speed Cage length：85mm Max chainwheel：43T Standard color：CP or ED

• Product Type: RD21-A W/O long bracket direct installation Long cage for 21-24 speed Cage length：86.5mm Max chainwheel：30T Standard color：CP，UCP，BK

• Product Type: RD21-B With long bracket Long cage for 21-24 speed Cage length：86.5mm Max chainwheel：30T Standard color：CP，UCP，BK

• Product Type: RD18-A W/O bracket，direct installation Long cage for 18-21 speed Cage length：75mm Max chainwheel：30T Standard color：CP，UCP，BK