The following are an “A” match which indicates that the parts are the same in materials, appearance, finish & size etc.
– Shimano 105 RD-5701-SS/GS
– Shimano 105 RD-5700-A-SS/GS
– Shimano Tiagra RD-4601-SS/GS
– Shimano Tiagra RD-4600-SS/GS
– Shimano Capreo RD-F800-SS/GS
– Shimano Deore LX RD-T670-A-SGS
– Shimano Deore LX RD-T670-SGS
The following are a “B” match which indicates that the parts are usable, but differ in materials, appearance, finish & size etc.
– Shimano Deore XT RD-T780-SGS
Genuine Shimano replacement part.