MA uses the high tensile strength T-700S in place of graphene carbon fiber, lowering the price of an exceptional design. Choose between MA Lead with Shimano 105 Di2, MA Island with SRAM Rival eTap AXS 2x12, MA 606 Green with Rival eTap AXS 2x12 or MA 707 with Rival eTap AXS 2x12.