GIANT ADVANCED GRADE 碳纖維車架 GIANT ADVANCED GRADE 碳纖維前叉 GIANT CONTACT SL FORWARD 碳纖維座位(鈦軌) SHIMANO 9000 DURA ACE 22速件 SHIMANO 9000 DURA ACE 制鉗 GIANT SLR 0 全碳纖維輪組 30mm框高