Cool , thanks
I’ve also just found this so should be ok -
( The RD-5701-S is available in Short Cage (SS) or Mid Cage (GS) models. Silver.
Short Cage (SS): 30t max cog; 16t max chainring difference; 33t wrap capacity
Medium Cage (GS): 32t max cog; 22t max chainring difference; 39t wrap capacity )