Top 7 Aheadset Hollow Top Cap/starnut Assembly – Bike Headsets

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1. FSA


FSA Orbit MX 1-1/8Inches Threadless MTB Road Headset with Top Cap, XTE1504, NO.20, Black

FSA #ad - 7075 aluminium crown race. Content: 1 set With top cap and starnut / pack. 1-1/8", 36°/36° acb. Oem package this item is exactly as pictured and does not include retail package. Alloy top cover.
BrandFSA #ad
ManufacturerFSA #ad
Weight0.31 Pounds
Part NumberOrbit MX

2. Neco


Neco Headset Expander Top Cap Star Nut Plug Bolt Stem Expanding Nut Bolt Carbon Fiber Cap Cover Long Large Size Large Aluminum Cap 1-1/8 inch

Neco #ad - Strong compressor - compression plug is good for carbon tube, it offers stronger force and can protect the carbon tube as well. 1” & large & 1 - 1/8” - small size is for 1” tube, inner diameter 20-22.

2mm. We recommend 2 inch for most scenario. Large size - bigger compressor is more stronger and safety. We offer expander depth 2 inch and 3 inch. Aluminum cap offered as well. We recommend large size and cabon cap. Strong enough but budget cost. Cabon cap version looks very great. 2 inch is large size, 3 inch in extra large. Star nut is only for aluminum tube. Neco 100% made in taiwan, high quality components and surface treatment, excellent strength for all heavy duty cycling. Middle & extra large is for 1-1/8”, inner diameter 22-25. 4mm.
BrandNeco #ad
ManufacturerNeco #ad
Weight0.15 Pounds
Part NumberexpanderSA



Size 1-1/8”, Bike Bicycle Fork Star Nut Setting Installer Install Tool with 2 Free Star Nuts

BIKE HAND #ad - Heat treated: heat treated high quality steel constructed for long time using. Easy to use: install the star nut onto the tool and tap it into the fork steerer using a hammer.

Order now, worry free! we're so confident about our product quality that we can provide a life time warranty ! Made in Taiwan. Compatibility: the threadless nut Setter is used to install the star-fangled nut found on 1-1/8” threadless headset systems. Perfect setting: the star nut need to be tapped into the fork steerer at the right position. Too low, the headset bolt cannot reach. Too high, the star nut cannot bite the steerer wall tightly.
BrandBIKE HAND #ad
ManufacturerBIKE HAND #ad
Height1 Inches
Length3 Inches
Width1 Inches
Part NumberYC-113A

4. Platt


Platt Bike Headset Top Cap Aluminum Alloy Headset Star Nut Stem Cap Fits 1-1/8" Stems and Forks

Platt #ad - Package included: headset star nuts*1, Stem Top Cap*1, Bolt*1. Beatiful color, Blue, Stand out from the crowd. Fits 1-1/8" road and Mountain Bike stems and forks. The bike top cap comes anodized in black, and Red, colorfast surface, Gold, great anti-corrosion. High quality, lightweight, Easy Install, Nice Look. Material : Aluminum Alloy.
BrandPlatt #ad
ManufacturerPLATT #ad
Part NumberZUS052

5. Cane Creek


Black, Cane Creek 40-Series External Cup Complete for 34mm Head-Tube 1-1/8-Inch Straight Steerer

Cane Creek #ad - Internally Contoured Cups Minimize Weight. Durable steel crown Race with Low-Friction Face-Seals. Innovative clip-seal Seals the Top Assembly and Captures the Compression Ring. 6061 t-6 aluminum. Internal parts are cross-Compatible Across 10, 40 and 110 series.
BrandCane Creek #ad
ManufacturerCane Creek #ad
Height3 Inches
Length4 Inches
Weight0.25 Pounds
Width4 Inches
Part NumberBAA0068K_Noir

6. Kbrotech


Kbrotech Bicycle Headset Spacer with Stem Top Cap,Headset Star Nut Fit for 1 1/8-Inch Front Stem Fork 2/5/10mm 11pcs Black

Kbrotech #ad - 3 different size2mm/5mm/10mm, they could fit for your demand and meet different needs. Lightweight and easy to install. Help to raise your handlebar. Fit for 1-1/8" 28. 6mm front stem fork of MTB, mountain bike, BMX, road bike etc.8 pieces aluminum headset spacers 2mm x2, 5mm x3, stem Top Cap Cover x1, headset star nuts x1, 10mm x3, headset bolt x 1, Inside diameter:28.6mm. Made of high-quality aluminum alloy material, CNC finished.
BrandKbrotech #ad
ManufacturerKbrotech #ad
Part NumberKB003



ONIPAX Lightweight Headset Top Cap & Star Nut with Aluminum Screw.

ONIPAX #ad - Made in taiwan. Includes star nut. Lightweight Aluminum Cap and Screw. Good Quality. Fits 1-1/8" stems and forks.
BrandONIPAX #ad
ManufacturerONIPAX #ad
Part NumberHC-001