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/equipment/cycling-components/bike-headsets/trek-knock-block-headset-lockring-spacer/p/27583/
Equipment
Cycling components
Bike headsets
Trek Knock Block Headset Lockring Spacer
Trek Knock Block Headset Lockring Spacer
Model
Trek Knock Block Lockring Spacer
Steerer outer diameter
28.6mm (1-1/8")
Thickness
10mm