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

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

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.

- 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

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

The Ritchey Logic Comp threadless headset is constructed of steel and uses replaceable cartridge bearings. • Bearing Type: Cartridge • Color: Black • Crown Race: 30 • Defined Color: Black • Lower Stack Height: 13 mm • S.H.I.S Lower: EC34 • S.H.I.S Upper: EC34 • S.H.I.S. Stem Clamp Diameter: 28.6 • Upper Stack Height: 16.8 mm • Weight: 142 g

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

The WCS Logic Threadless Headset the reliable workhorse of the Ritchey threadless headset range. This smooth and reliable specimen features lightweight, precision-machined aluminum cups, sealed cartridge 45/45-degree hybrid ceramic bearings with a titanium coating, and comes packed with Ritchey Grease and a sealed design promises minimal penetration from the elements. - Stack Height: 28.3mm - Material: Alloy - Upper Fit (S.H.I.S.): EC34/28.6 - Lower Fit (S.H.I.S.): EC34/30 - Bearing: Sealed cartridge (ACB) - Ti coated

The Ritchey Logic WCS threadless headset features angular-contact cartridge bearings with a lifetime guarantee. • Bearing Type: Cartridge • Color: Black • Crown Race: 30 • Defined Color: Black • Lower Stack Height: 12.9 mm • S.H.I.S Lower: EC34 • S.H.I.S Upper: EC34 • S.H.I.S. Stem Clamp Diameter: 28.6 • Upper Stack Height: 15.4 mm • Weight: 110 g

- 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

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.

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

- CrMo headset with oversized 3/16" lower ball bearings, 5/32" upper bearings and a nylon top cover - Hammer: External Cup, traditional - S.H.I.S.: EC34/28.6|EC34/30 - Stack: 12.8mm/11.9mm - Color: Black - Weight: 149g

- Gyro compatible, 45/45 degree angular contact cartridge bearings, alloy crown race - Impact: 45x45 degree Campagnolo Integrated - S.H.I.S.: IS42/28.6|IS42/30 - Stack: 8mm/1mm - Color: Black, Orange, Red - Weight: 68g

A new headset gives you a new lease on life. This is the upper part of an integrated headset for a 44mm headtube. - Lower part of the headset sold separately

- CrMo headset with oversized 3/16" lower ball bearings, 5/32" upper bearings and an alloy top cover - Mallet: External Cup, traditional - S.H.I.S.: EC34/28.6|EC34/30 - Stack: 15.4mm/13.6mm - Color: Black - Weight: 150g

- 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

- Bearing Type: Cartridge - Weight: 86 g - Crown Race: 40 - S.H.I.S Lower: IS52 - S.H.I.S Upper: IS42 - S.H.I.S. Stem Clamp Diameter: 28.6 Threadless

FSA's core line of headsets with built-in cable hanger for cyclocross applications. - Bearing Type: Cartridge - Weight: 93g - Crown Race: 30 - S.H.I.S Lower: IS42 - S.H.I.S Upper: IS42 - S.H.I.S. Stem Clamp Diameter: 28.6 Threadless

- Carbon fiber top cover - Upper: Campagnolo angular contact bearings (black seal) - 1-1/8-inch, 45 degrees/ 45 degrees ACB upper - 1.5-inch, 36 degrees/ 45 degrees ACB lower - For tapered 46mm/56mm OD headtube - For 1-1/8-inch to 1.5-inch tapered fork

- FSA's core line of headsets with built in cable hangers and barrel adjusters for cyclocross applications - Dual seal, angular contact bearings provide long lasting, smooth rolling performance - Forged and CNC machined 6061 T6 alloy cups - IS: 36x45 degree Cane Creek Integrated, or X: External Cup, traditional available for 1-1/8" applications - 85g

- Weight: 160g - Crown Race: 30 - S.H.I.S. Lower: EC34 - S.H.I.S. Upper: EC34 - S.H.I.S. Stem Clamp Diameter: 28.6 Threadless

A solid choice for 1-1/8in frames, the Orbit Equipe features a sturdy steel lower cup for maximum durability. The top cup is forged alloy, with an alloy top cover. Inside are two low maintenance, easy-to-replace sealed cartridge angular contact bearings. - Bearing Type: Cartridge - Weight: 117g - Crown Race: 30 - S.H.I.S. Lower: EC34 - S.H.I.S. Upper: EC34 - S.H.I.S. Stem Clamp Diameter: 28.6 Threadless