Promend HP-4439 MTB Aluminum Alloy Conical Bearing Bicycle Headset Brand_WD40 One-piece structure maximizes stiffness and

One-piece structure maximizes stiffness and reduces weight

the handle stays fixed onto the axle

the forged aluminum GX Eagle DUB crankset is the no frills choice of riders who know

Quality control card signed by your wheel builder

5h (support using while charging)

Promend HP-4439 MTB Aluminum Alloy Conical Bearing Bicycle Headset Brand_WD40 One-piece structure maximizes stiffness andHP 4439 Material: Aluminum Alloy Model: HP 4439 Color: Black Weight: 132. 5g Applicable Frame: head tube upper inner diameter 44mm lower inner diameter 44mm Applicable Front Fork: upper outer diameter 28. 6mm lower outer diameter 39. 8mm Size: 34mm Bore Diameter: 34mm