Description If the upper part of your head tube has an inner diameter of 56 mm and icr (integrated cable routing), you can generally use this headset. ⦁ Upper zs56 headset bearing pressed into an alloy bearing cup ⦁ Compression ring with icr (acrylic) for a 1 1/8″ steering tube ⦁ Press-in diameter (ID): 56 mm ⦁ Outer diameter (OD): 62 mm ⦁ Overall height (H): 8 mm ⦁ Offset (D): 7 mm ⦁ Bearing included 42 x 52 x 7 45/45
