Originally Posted by
Steve B.
Current Synapse is GRX 11 spd.
Actually, the current Synapse, and specifically the one in the link you responded to has the new Ultegra 12 speed. They do offer a model with GRX but that isn't really relevant to this conversation. They also offer Dura Ace 12 speed, 105 and Tiagra on the Synapse carbon models.