Shimano ultegra r8000 carbon spd sl pedalsweighing in at a super light 248 grams these ultegra r8000 carbon spd sl pedals have evolved from the 6800 series manufactured to mirror the stiffness of the r8000 hollowtech ii crankset these carbon composite pedals also feature an extra wide platform and reduced stack height to make sure that you transfer every watt through your transmission and into forward momentum featuresmaterial carbon composite bodyreduced stack heightextra wide platformwe