1-1/8" Upper / 1-1/8" Bottom

PT-1800P

ZS44/28.6 | ZS44/30

1-1/8" Internal Headset
ø28.6x44x30

Height:        18+3.8=21.8mm   (top cover H:15mm )
Weight:       105g
Bearings:     Semi Cartridge Bearings  
                    Ball Retainer: 5/32" x 22(R003)
Material:      Top cover: Plastic
                    w/steel cups & crown race
Finish:          EDBK

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