CANYON CF SLX HEADSET BEARING SET WITH COMPRESSION RING FROM ACROS
WARNING: On the Canyon website they list this as 44×31.6×5.5 ACROS 1-1/4 bearing, which is the dimensions including the compression ring which is the wrong way the measure the bearing.
Suitable for R28 Aeroad CF SLX, R39 Ultimate CF SLX, R36 Endurace CF SLX
Upper Bearing – AC3544 (35 x 44 x 5.5 – 36/45)
Lower Bearing – AC3344 (33 x 44 x 6 – 36/45)