Headsets

These baseplates are the foundation that keeps Chris King headsets turning with legendary smoothness. Manufactured from high quality stainless steel or titanium, Chris King makes replacement baseplates for all standard sizes and a number of ingenious solutions for those that need something a little special to make their headset work. - Engineered and manufactured in Portland, Oregon USA - High quality stainless steel and titanium baseplates available for all standard Chris King headset sizes - Titanium baseplates are available in 1-inch and 1 1/8-inch sizes only - Devolution baseplates are a stainless steel solution that allow King headsets to adapt to a wide variety of steerer tube sizes - King Stainless Steel baseplates are available in undersized and oversized versions for irregular steerer tube sizes

Profile Design's lightweight and sleek looking headset spacers are just what you need to make sure your bike functions and looks great. Available in 2, 3, 5, 10, and 20mm thicknesses.

Lightweight aluminum alloy - Non-Keyed - Height: 20mm - 10 to a bag

- Super light carbon spacers for tuning stem height - Spacers are internally weight relieved to drop a few extra grams

- Microspacers ensure the correct fitment of integrated headsets - Use between the top cover and the compression ring to ensure the top cover does not contact the headtube - Sold in bags of 10

- Steel star nuts for anchoring headset compression in steel or alloy steerer tubes

- Ultralight, CNC-machined 6061 aluminum spacers for fine-tuning stem height - Includes one each: 3, 5, 10mm spacers and two each: 1mm spacers

Zipp's Stem Top Cap and Bolt are designed to work specifically with Zipp stems. The eight-gram aluminum cap and nine-gram-bolt are the same as those used on bikes built for Zipp-sponsored professional teams. The bolt has a T25 Torx head for ease of adjustment and so you need only one tool for your Zipp cockpit.

- Upper Headset Assembly for 2010+ Madone - Bearing, Compression Ring, 15mm Top Cap - Go green and save green — Zero packaging means zero waste and zero extra cost

- Steel cups - Steel retainer bearings - Available in chrome or black - S.H.I.S.: EC34/28.6-26tpi|EC34/30 - Steerer Dia: 28.6mm - Cup Dia: 34mm - Race Dia: 30mm - Stack Ht: 40mm Size: 1-1/8"

• Steel • Retainer ball bearings, includes top cap and star nut • 1 inch • S.H.I.S.: EC30/25.4, EC30/26

- Steel cups - Steel retainer bearings - Available in chrome or black - S.H.I.S.: EC32/25.4-24tpi|EC32/27 - Steerer Dia: 25.4mm - Cup Dia: 32.5mm

SRAM's Headset Spacer Set gives you what you need for setting handlebars to the correct height for a custom fit. These lightweight 1 1/8-inch headset spacers feature a carbon finish with stylish SRAM logos. You get two 5mm spacers and one 10mm and 15mm one.

RockShox's Headset Spacer Set is a perfect compliment to your RockShox fork. These lightweight 1 1/8-inch headset spacers feature a carbon finish with stylish RockShox logos. You get two 5mm spacers, one 10mm, and one 15mm.

• Bearing Type: Cartridge • Color: Black • Crown Race: 40mm • Defined Color: Black • Lower Stack Height: 0.8 mm • S.H.I.S Lower: ZS55 • S.H.I.S Upper: ZS44 • S.H.I.S. Stem Clamp Diameter: 28.6 • Upper Stack Height: 15.8 mm • Weight: 109 g

Full complement stainless steel angular contact cartridge bearings packed with Ritchey high-webbing grease. - Sealed cartridge bearings - Material: CroMo - Lower Fit (S.H.I.S.): ZS56/40 - Bearing: Ti coated, sealed Cartidge - Weight: 40-52g

Full complement stainless steel angular contact cartridge bearings packed with Ritchey high-webbing grease. - Sealed cartridge bearings - Top cap: 7.3 - Material: CroMo - Upper Fit (S.H.I.S.): ZS44/28.6 - Upper HT OD/ID: 50/44 - Bearing: Sealed cartridge - Weight: 43g (7.3mm)

- Traditional and integrated type replacement headset crown races

The Ritchey Logic Threaded Headset is your go-to headset for threaded steerers. Featuring a smaller upper bearing to save weight, the Logic Threaded headset also features lightweight, precision-machined aluminum cups that are deeper for more confident insertion. - Smaller upper bearing to save weight - Lightweight, precision-machined aluminum cups - Deep cups for solid insertion - Material: CrMo/Plastic - Upper Fit (S.H.I.S.): EC34/28.6 - Lower Fit (S.H.I.S.): EC34/30 - Bearing: Ball bearing

1-inch model: • Bearing Type: Cup and Cone • Color: Silver/Black • Crown Race: 26 • Defined Color: Silver • Lower Stack Height: 10.5 mm • S.H.I.S Lower: EC30 • S.H.I.S Upper: EC30 • S.H.I.S. Stem Clamp Diameter: 25.4-24tpi Quill • Upper Stack Height: 26 mm • Weight: 130 g 1-1/8-inch model: • Bearing Type: Cup and Cone • Color: Silver/Black • Crown Race: 30 • Defined Color: Silver • Lower Stack Height: 10.7 mm • S.H.I.S Lower: EC34 • S.H.I.S Upper: EC34 • S.H.I.S. Stem Clamp Diameter: 28.6-26tpi Quill • Upper Stack Height: 26 mm • Weight: 140 g

Ritchey's Logic Headset boasts machined aluminum cups for excellent longevity, light weight and super looks. A smaller upper angular cartridge bearing saves weight while a larger lower angular cartridge bearing boosts strength and durability.

For bikes featuring integrated headsets (such as the Ritchey Road Logic and Swiss Cross), the WCS Drop In Integrated Headset stands above all others. This alloy headset lower features stainless steel angular contact sealed cartridge bearings with a titanium coating for corrosion resistance, and they're packed with Ritchey high-webbing grease. - Material: Alloy - Bearing: Sealed cartridge, Ti-coated - Weight: 28-35g

For bikes featuring integrated headsets (such as the Ritchey Road Logic and Swiss Cross), the WCS Drop In Integrated Headset stands above all others. This carbon fiber beauty features full-complement stainless steel angular contact cartridge bearings packed with Ritchey high-webbing grease. - Top cap: 8.3mm - Material: Alloy - Upper Fit (S.H.I.S.): IS42/28.6 - Upper Bearing OD: 41.8 - Top Cover OD: 46mm - Bearing: Sealed cartridge, Ti-coated - Weight: 36g

- Full complement stainless steel angular contact cartridge bearings packed with Ritchey high-webbing grease - Corrosion-resistant Ti-coated bearings - Material: Alloy - Lower Fit (S.H.I.S.): ZS56/40 - Lower HT OD/ID: 62/56 - Bearing: Sealed Cartidge, ti coated

- Full complement stainless steel angular contact cartridge bearings packed with Ritchey high-webbing grease - Corrosion-resistant Ti-coated bearings - Top cap: 7.3 - Material: Alloy - Upper Fit (S.H.I.S.): ZS44/28.6 - Upper HT OD/ID: 50/44 - Bearing: Sealed cartridge, ti coated - Weight: 43g (7.3mm)

- Superlight CNC machined 6061 aluminum spacers for fine-tuning stem height - Includes one each 3, 5, 10mm spacers and two each 1mm spacers

• Sealed cartridge bearings • CNC machined 6061-T6 aluminum cups with laser etched logos • 26.4mm & 27.0mm races included • S.H.I.S.: EC30/25.4-24tpi|EC30/26 • Steerer Diameter: 25.4mm • Cup Diameter: 30.2mm • Race Diameter: 26.4mm • Stack Height: 42.5mm • Size: 1-inch • Black or Silver • Weight: 110g including lock nut

Origin-8's Capster is a top cap, bolt and star nut for your 1 1/8-inch threadless headset. It comes in many colors so you can customize your ride.

Origin-8's Carbon Fiber Headset Spacers are made of lightweight, durable carbon and come in 5mm, 10mm or 20mm thicknesses. You get a bag of five spacers.

Origin-8's 1 1/8-inch Headset Spacers are made of lightweight and durable aluminum and come in 2mm, 5mm or 10mm thicknesses and lots of cool colors to add style to your ride. You get a bag of 10 spacers.