—$5.99

The AheadSet Starnut is great for replacing old or broken star nuts. AheadSet Starnuts Headset Small Part UPC: 840226002330

by AheadSet

—$30

40-Series replacement cartridge bearings feature durable black oxide construction.Compatible with 110-, 40-, and 10-Series headsets Item Specifications Bearing I.D. (mm) 41 Bearing O.D. (mm) 52 Bearing Type Cartridge Cartridge Bearing Angle 36x45 Thickness 6.5 Cane Creek 40-Series Headset Bearing UPC: 840226078441

by Cane Creek

—$12

Cane Creek Crown Races Compatible across 10, 40 and 110 Series headsets and backwards compatible with S and XX Series All crown races feature integral molded seals Cane Creek Crown Races Crown Race UPC: 840226076959

by Cane Creek

—$12.75

Crown races for Cane Creek headsets fit a variety of lowers and crown race seat diameters. Compatible with 52mm lower headset bearings Compatible with 40mm (1-1/2") tapered steerer tubes Durable steel construction Compatible with 10-, 40- and 110-Series headsets and backwards compatible with S and XX Series Integral mold seals keep out the elements Item Specifications Crown Race 40 Cane Creek Crown Races Crown Race UPC: 840226076690

by Cane Creek

—$26.50

ENVE Composites Compression PlugsCarbon top cap Item Specifications Color Black ENVE Composites Compression Plugs Compression Plug UPC: 851705006046

by ENVE Composites

—$14

Cane Creek Headset Top Sub AssembliesStack height =8mm Cane Creek Top Covers Headset Small Part UPC: 840226077598

by Cane Creek

—$18.24

40-Series replacement cartridge bearings feature durable black oxide construction.Compatible with 110-, 40-, and 10-Series headsets Item Specifications Bearing I.D. (mm) 40.1 Bearing O.D. (mm) 52 Bearing Type Cartridge Cartridge Bearing Angle 36x45 Thickness 6.5 Cane Creek 40-Series Headset Bearing UPC: 840226078328

by Cane Creek

—$12

Crown races for Cane Creek headsets fit a variety of lowers and crown race seat diameters. Compatible with 52mm lower headset bearings Compatible with 30mm (1-1/8") straight steerer tubes Durable steel construction Allows the installation of a straight steerer fork without changing out the headset lower 36x45 Compatible with 10-, 40- and 110-Series headsets and backwards compatible with S and XX Series Integral mold seals keep out the elements Cane Creek Crown Races Crown Race UPC: 840226076676

by Cane Creek

—$10.34

FSA (Full Speed Ahead) Headset Small Parts Item Specifications Crown Race 40 Full Speed Ahead Crown Race Crown Race UPC: 400310034120

by Full Speed Ahead

—$24

Hellbender bearings have an improved seal structure and are cross compatible with Cane Creek headsets. Item Specifications Bearing I.D. (mm) 30.3 Bearing O.D. (mm) 41 Bearing Type Cartridge Cartridge Bearing Angle 36x45 Thickness 6.5 Cane Creek Hellbender Headset Bearing Headset Bearing UPC: 840226078137

by Cane Creek

—$13

The Zipp stem top cap and bolt are designed to work specifically with Zipp stems to add the finishing touch to your cockpit. 8g aluminum cap and 9g bolt The bolt has a T25 Torx head for ease of adjustment and so you need only one tool for your cockpit Material: Cap 6000 series Al, Steel Bolt Item Specifications Color Black Defined Color Black Includes Star Nut No S.H.I.S. Stem Clamp Diameter 28.6 Zipp Speed Weaponry Top Cap Headset Top Cap UPC: 710845717314

by Zipp Speed Weaponry

—$49

Hellbender bearings have an improved seal structure and are cross compatible with Cane Creek headsets. Item Specifications Bearing I.D. (mm) 40.1 Bearing O.D. (mm) 52 Bearing Type Cartridge Cartridge Bearing Angle 36x45 Thickness 6.5 Cane Creek Hellbender Headset Bearing Headset Bearing UPC: 840226078144

by Cane Creek

—$14.56

40-Series replacement cartridge bearings feature durable black oxide construction.Compatible with 110-, 40-, and 10-Series headsets Item Specifications Bearing I.D. (mm) 30.3 Bearing O.D. (mm) 41 Bearing Type Cartridge Cartridge Bearing Angle 36x45 Thickness 6.5 Cane Creek 40-Series Headset Bearing UPC: 840226078304

by Cane Creek

—$19.95

Whisky s top cap compression plugs are reliable and easy to use. Compatible with most aluminum and carbon 1-1/8 steerer tubes and serve as a direct replacement on Whisky forks. The simple design sheds weight, simplifies installation and offers great support and function. Single-tool set up and adjustment Internal compression easily applies pressure to secure headset during installation Direct replacement for Whisky forks with 1-1/8" steerer tube, and fits most other manufactures as well Item Specifications Color Black Whisky Parts Co. Top Cap Compression Plugs Compression Plug UPC: 708752268364

by Whisky Parts Co.

—$28.50

The Chris King Base Plates (Crown Races) DOES NOT work for DropSet series headsets 44.0mm OD base plate is for headsets produced prior to 4/1995 and have an F designation 40.5mm OD base plate is for headsets produced after 4/1995 and have a B designation Chris King Base Plates (Crown Races) Crown Race UPC: 841529031508

by Chris King

—$19.57

FSA Compression Plugs are top assemblies for carbon steerers. Replaces the traditional top cap assembly. Includes cap, bolt, and expander. Top assembly for carbon steerers replaces traditional top cap and star nut assembly Compressor Carbon Pro has carbon fiber top cap Includes cap, bolt and expander Item Specifications Color Black Full Speed Ahead Compression Plugs Compression Plug UPC: 400310000651

by Full Speed Ahead

—$22

The Chris King Base Plates (Crown Races) 44.0mm OD base plate is for headsets produced prior to 4/1995 and have an F designation 40.5mm OD base plate is for headsets produced after 4/1995 and have a B designation Headset marked "B" Chris King Base Plates (Crown Races) Crown Race UPC: 841529023053

by Chris King

—$8.32

Wheels Manufacturing Headset Bearings Item Specifications Bearing Type Retainer Bearing Wheels Manufacturing Headset Bearing Retainers Headset Bearing UPC: 836572001813

by Wheels Manufacturing

—$29

The Chris King Base Plates (Crown Races) 44.0mm OD base plate is for headsets produced prior to 4/1995 and have an F designation 40.5mm OD base plate is for headsets produced after 4/1995 and have a B designation Chris King Base Plates (Crown Races) Crown Race UPC: 841529031683

by Chris King

—$18

There are a lot of things you don't need to buy for your bike, but this state of the art stem cap is not one of those useless things. It was designed with you, yes you, in mind. Molded around the tightest molecular combination of polymers, this stem cap makes you more aerodynamic than a B-2 spirit stealth bomber. Don't know what that is? Look it up. No. Don't waste time. Buy this stem cap and go race down a mountain, or a hill, or your driveway. Who cares? Go ride your bike. Worldwide Cyclery Top Cap Headset Top Cap

by Worldwide Cyclery

—$19.76

Cane Creek Headset Top Sub AssembliesStack height =9mm Cane Creek Top Covers Headset Small Part UPC: 840226077581

by Cane Creek

—$10.40

Problem Solvers Headset Top Caps Item Specifications Color Black S.H.I.S. Clamp Diameter 28.6 Problem Solvers Top Caps Headset Top Cap UPC: 708752000698

by Problem Solvers

—$24

40-Series replacement cartridge bearings feature durable black oxide construction.Compatible with 110-, 40-, and 10-Series headsets Item Specifications Bearing I.D. (mm) 40.15 Bearing O.D. (mm) 52 Bearing Type Cartridge Cartridge Bearing Angle 45x45 Thickness 7 Cane Creek 40-Series Headset Bearing UPC: 840226078380

by Cane Creek

—$15.60

Problem Solvers Headset Top Caps Item Specifications Color Black S.H.I.S. Clamp Diameter 28.6 Problem Solvers Top Caps Headset Top Cap UPC: 708752073753

by Problem Solvers

—$22.71

FSA Standard Headset BearingsSold each Item Specifications Bearing Type Cartridge Cartridge Bearing Angle 36x45 Full Speed Ahead Standard Headset Bearings Headset Bearing UPC: 400310069696

by Full Speed Ahead

—$34

40-Series replacement cartridge bearings feature durable zinc construction.Compatible with 110-, 40-, and 10-Series headsets Item Specifications Bearing I.D. (mm) 42 Bearing O.D. (mm) 52 Bearing Type Cartridge Cartridge Bearing Angle 45x45 Thickness 7 Cane Creek 40-Series Headset Bearing UPC: 840226078465

by Cane Creek

—$17.81

Cane Creek Crown Races Compatible across 10, 40 and 110 Series headsets and backwards compatible with S and XX Series All crown races feature integral molded seals Cane Creek Crown Races Crown Race UPC: 840226077062

by Cane Creek

—$23.47

ABI Headset Bearing for new builds or replacements. Item Specifications Bearing I.D. (mm) 30.2 Bearing O.D. (mm) 41 Bearing Type Cartridge Cartridge Bearing Angle 36x45 Thickness 6.5 Enduro Headset Bearing Headset Bearing UPC: 811780022041

by Enduro

—$10.34

Compression ring fits above the upper bearing in a Cane Creek headset to ensure vertical and horizontal compression is optimal.Compatible with 41mm and 42mm OD upper bearings Cane Creek Compression Ring Headset Small Part UPC: 840226093352

by Cane Creek

—$15.99

FSA (Full Speed Ahead) Headset Small Parts Item Specifications Crown Race 40 Full Speed Ahead Crown Race Crown Race UPC: 400310034113

by Full Speed Ahead

—$13.95

Cane Creek Crown Races Compatible across 10, 40 and 110 Series headsets and backwards compatible with S and XX Series All crown races feature integral molded seals Cane Creek Crown Races Crown Race UPC: 840226076928

by Cane Creek

—$7.80

FSA (Full Speed Ahead) Headset Small PartsFor use with 1-1/8th steerer tubes Item Specifications Crown Race 30 Full Speed Ahead Crown Race Crown Race UPC: 840031013996

by Full Speed Ahead

—$13.91

Cane Creek Crown Races Compatible across 10, 40 and 110 Series headsets and backwards compatible with S and XX Series All crown races feature integral molded seals Cane Creek Crown Races Crown Race UPC: 840226076652

by Cane Creek

—$10.99

Crown races for Cane Creek headsets fit a variety of lowers and crown race seat diameters. Compatible with 10-, 40- and 110-Series headsets and backwards compatible with S and XX Series Integral mold seals keep out the elements Cane Creek Crown Races Crown Race UPC: 840226077802

by Cane Creek

—$21.99

FSA Standard Headset Bearings Fits Zero-Stack Headsets Sold each Item Specifications Bearing I.D. 30.2mm Bearing O.D. 41mm Bearing Thickness 6.5mm Bearing Type Angular Contact Full Speed Ahead Standard Headset Bearings Headset Bearing UPC: 400310019592

by Full Speed Ahead

—$22.52

The absoluteBLACK integrated headset top cap is a one-piece top cap and bolt, with 5mm hex socket. It is designed to fit every standard starnut. One piece design is lightweight (only 4g) Not suitable for "expanding" star nuts with a steel coil spring Compatible with the ENVE compression plug Item Specifications Color Black Defined Color Black Includes Star Nut No absoluteBLACK Integrated Headset Top Cap and Bolt Headset Top Cap EAN: 5110846001897

by absoluteBLACK

—$28.03

ABI Headset Bearing for new builds or replacements. Item Specifications Bearing I.D. (mm) 40 Bearing O.D. (mm) 51 Bearing Type Cartridge Cartridge Bearing Angle 36x36 Thickness 6.5 Enduro Headset Bearing Headset Bearing UPC: 810191012634

by Enduro

—$13

Crown races for Cane Creek headsets fit a variety of lowers and crown race seat diameters. Compatible with 10-, 40- and 110-Series headsets and backwards compatible with S and XX Series Integral mold seals keep out the elements Item Specifications Crown Race 33 Cane Creek Crown Races Crown Race UPC: 840226077918

by Cane Creek

—$34.35

ABI Headset Bearing for new builds or replacements. Item Specifications Bearing I.D. (mm) 30.5 Bearing O.D. (mm) 41.8 Bearing Type Cartridge Cartridge Bearing Angle 45x45 Thickness 6.5 Enduro Headset Bearing Headset Bearing UPC: 810191013488

by Enduro

—$40.27

ABI Headset Bearing for new builds or replacements. Item Specifications Bearing I.D. (mm) 40 Bearing O.D. (mm) 52 Bearing Type Cartridge Cartridge Bearing Angle 45x45 Thickness 7 Enduro Headset Bearing Headset Bearing UPC: 811780023130

by Enduro

—$13.99

The Salsa Split Pivot Dropout Tool Top Cap is a 22mm socket designed for in-the-field derailleur hanger replacement of Salsa suspension frames featuring Split Pivot technology. The Dropout Tool is designed to double as a top cap for a standard threadless stem/headset assembly, so that it will always be conveniently available in the event of a hanger failure. This tool is intended for trailside repairs only. Once you return back to base, use a torque wrench to achieve the proper torque spec of 18Nm. This handy tool works as a headset top cap until you need it, and when combined with a 6mm hex wrench, turns into a socket for removing the Pivot Bolt to change your derailleur hanger For all Salsa Split Pivot suspension models Integrated 22mm socket design interfaces axle nut to field change the derailleur hanger Operated via 6mm hex key found on most mini tools Takes place of standard top cap Reduces the need to carry 22mm wrench or socket in your pack Lightweight, black anodized aluminum bolt included 13g Lightweight aluminum bolt Item Specifications Color Black Defined Color Black Includes Star Nut No S.H.I.S. Stem Clamp Diameter 28.6 Salsa Split Pivot Dropout Tool Top Cap Headset Top Cap UPC: 657993039540

by Salsa

—$10.53

FSA (Full Speed Ahead) Headset Small Parts Full Speed Ahead Crown Race Crown Race UPC: 400310019950

by Full Speed Ahead

—$17.99

Problem Solvers Compression Plugs Weight: 42g Compatible with steerer tube inner diameter of 26mm-22mm Item Specifications Color Black Problem Solvers Compression Plugs Compression Plug UPC: 708752023697

by Problem Solvers

—$15.73

40-Series replacement cartridge bearings feature durable black oxide construction.Compatible with 110-, 40-, and 10-Series headsets Item Specifications Bearing I.D. (mm) 30.3 Bearing O.D. (mm) 41.8 Bearing Type Cartridge Cartridge Bearing Angle 45x45 Thickness 7 Cane Creek 40-Series Headset Bearing UPC: 840226152172

by Cane Creek

—$18.20

FSA bearings that set directly into the frame without the use of pressed in cups. 36/45 degrees is Cane Creek-compatible 45/45 degrees is Campagnolo-compatible Item Specifications Bearing I.D. (mm) 30.5 Bearing O.D. (mm) 41.8 Bearing Type Cartridge Cartridge Bearing Angle 45x45 Thickness 8 Full Speed Ahead Integrated Headset Bearings Headset Bearing UPC: 400310040268

by Full Speed Ahead

—$25

40-Series replacement cartridge bearings feature durable black oxide construction.Compatible with 110-, 40-, and 10-Series headsets Item Specifications Bearing I.D. (mm) 34.25 Bearing O.D. (mm) 47 Bearing Type Cartridge Cartridge Bearing Angle 45x45 Thickness 7 Cane Creek 40-Series Headset Bearing UPC: 840226078373

by Cane Creek

—$22.80

FSA Headset Top Caps Item Specifications Color Black Full Speed Ahead Top Caps Headset Top Cap UPC: 400310009104

by Full Speed Ahead

—$22

The Chris King Base Plates (Crown Races) 44.0mm OD base plate is for headsets produced prior to 4/1995 and have an F designation 40.5mm OD base plate is for headsets produced after 4/1995 and have a B designation Chris King Base Plates (Crown Races) Crown Race UPC: 841529023039

by Chris King

—$20

Cane Creek Lower Race Required to fit RockShox Bluto on SM and MD Beargrease Carbon frames May be required to fit Manitou Mastodon Mukluk Carbon frames Item Specifications Crown Race 40 keyword search +3 mm Crown Race Riser Salsa Lower Race Crown Race UPC: 840226125558

by Salsa

—$19.10

FSA Compression Plugs are top assemblies for carbon steerers. Replaces the traditional top cap assembly. Includes cap, bolt, and expander. Top assembly for carbon steerers replaces traditional top cap and star nut assembly Compressor Carbon Pro has carbon fiber top cap Includes cap, bolt and expander Item Specifications Color Black Full Speed Ahead Compression Plugs Compression Plug UPC: 400310000644

by Full Speed Ahead