Complete IS42 headset for 1-1/8" fork steerer tube
Brand: PRO Bike Gear, ref: upper-RHS0033 / lower-PRHS0054
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HEADSET UPPER part, PRO brand
Size: IS42 1-1/8"
Includes bearing assembly, crown race, bearing cover
Includes star nut and headset cap
Fork steerer tube diameter at top: 28.6mm
Frame housing diameter at top: IS42
Bearing: 41.8mm integrated into frame without cup
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HEADSET LOWER part, PRO brand
Size: IS42 1-1/8"
Includes bearing assembly and crown race
Fork steerer tube diameter at bottom: 30mm
Frame housing diameter at bottom: IS42
Bearing: 42mm integrated without cup
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