ROCKBAO MTB Bike Road Bicycle Headset 44mm 55mm 56mm 2 Bearing 1 1 8~1 1 2

ROCKBAO MTB Bike Road Bicycle Headset 44mm 55mm 56mm 2 Bearing 1 1/8"-1 1/2" Tapered 28.6 Sight Tube fork Internal Headset

Brand:ROCKBAO

Product name: Bicycle Bearing Headset

Size: 1-1/8 "to 1-1/2"

Material: Aluminum Alloy + Bearing

Surface treatment: Anode

Colors: black, red, blue, gold, sier, colorful

Weight: ±132g

Specifications:

Upper bowl cover: 28.6mm

Upper bowl 1-1/8 inch semi upper stopper diameter 44mm

Lower bowl 1-1/2 inch semi upper plug diameter: 55mm/56mm

Lower gear: 30mm or 39.8mm

Applicable frame:

Head tube [upper inner diameter 44MM, lower inner diameter 55MM、56MM]

Applicable front fork:

Standard sight front fork [upper outer diameter 28.6MM, lower outer diameter 30MM]

Standard anterior fork of vertebral c [upper outer diameter 28.6MM, lower outer diameter 39.8MM]