A system for use in a scroll compressor is described. The system comprises a crankshaft with a first end portion, wherein the crankshaft defines an axis of rotation, and slider block having a recess, wherein the first end portion of the crankshaft and the recess in the slider block are configured for connecting the slider block to the first end portion. The first end portion of the crankshaft comprises a first flat contact surface portion and the recess of the slider block comprises a second flat contact surface portion, the first and second contact surface portions facing each other when the first end portion is connected to the slider block. The system is characterized in that at least one of the flat contact surface portions comprises a slit beneath the at least one flat contact surface portion. Further, a corresponding slider block and a corresponding crankshaft are described.