Bicycle Headset Bike Threadless External Bearing Fork Stem Steerer Cap Folding

Specifications: Condition:100% Brand New Color: Black + Silver Material: Aluminum Alloy Applicable Frame: Head Tube Upper Inner Diameter 44mm, Lower Inner Diameter 44mm Applicable Front Fork: Upper Outer Diameter 28.6mm, Lower Outer Diameter 30mm Size: 49mm x 28mm, 1.93” x 1.1” Weight: about 200g Feature: Aluminum alloy material + CNC process + laser + double bearings. Model information is laser-printed, beautiful and elegant. Double bearings on the upper and lower parts of the headset, smooth and unobstructed, labor-saving and easy to maintain. .

Bike Bottom Bracket 30mm BSA30 Road MTB Bicycle 68/73mm BB30 Threaded Bearing

Specifications: Condition:100% Brand New BB/Frame Interface: English Material: Aluminum Alloy Bowl Color: Black Spacer: No Spacer Applicable Bottom Bracket: BC1.37”X24T Installation Method: Threaded Frame Bottom Bracket Width: 68mm-73mm Crankshaft Core Size: 30-30mm Net Weight: About 90g Gross Weight: About 100g Feature: Fits 68-73mm frame bottom bracket shells. This bottom bracket provides better sealing and rotation to delivery. Locking aluminum alloy shaft cover, CNC processing, sealed Peilin smooth and durable. .