105/速2811 r70006800/ 32 30tultegra34tr8000255800 飞轮

34t飞轮速 r8000 28580011/ 30tultegra6800r7000 32/ 25105

速/34t6800r7000105 30tultegra r8000580011252832飞轮 /

25 1132 飞轮5800r7000/速 286800105/r8000 30tultegra34t

速 32/256800580011r7000飞轮 34tultegra28r8000 105 / 30t