Wolf Tooth Premium headsets are machined out of aircraft grade aluminum and feature high-end bearings made by Enduro. They are engineered to use the largest possible ball size and are filled with high-pressure waterproof lubricant. A pair of dual-lip seals ride in micro-grooves to keep out water and debris. Stainless Steel Bearings provide unparalleled corrosion resistance Highly recommended if your headset will be exposed to wet conditions or sweat Lifetime warranty

Wolf Tooth Precision Headsets for Trek Knock Block are machined in the USA out of aircraft grade aluminum with superior sealing for protection against the elements. Available in a variety of colors to add some style to your bike. These upper headsets are for Trek frames with molded-in internal bearing cups. - Designed to work with Trek's Knock Block system - The top cap on these headsets have unique raised features that key to Knock Block compatible stems (made by Bontrager - If spacers are needed, you will need to use special Knock Block compatible spacers with notch features - This product is the upper headset only - Lower headsets on bikes with Knock Block do not have any unique features. They are usually IS headsets which are available separately

Super-smooth steering, quality materials, cutting-edge design and serious durability are all hallmarks of Cane Creek headsets. The 110 Series has light, tough, and beautiful machined 7075 T6-aluminum cups that are contoured and relieved for even more gram shaving and strength. You also get top-quality split-lip sealed stainless-steel bearings, a carbon-friendly captured compression ring and a dual-sealed crown race and complete upper bearing seal to keep the grease in and the dirt out. What's more, the seals are low-friction to improve steering performance and there are no loose headset parts so maintenance is easy. The 110 comes with an amazing 110-year, no-questions-asked warranty too!

The AER headset upper is a great choice for road and mountain bike applications- a high quality durable headset upper with durability and lightweight performance in mind. - Steel/Aluminum hybrid bearings

The Ritchey Logic Threadless headset features a smaller upper bearing to save weight, while the lightweight, precision-machined aluminum cups are deep for solid insertion. - Bearing: Semi cartridge - Material: Steel - Stack Height: 30.2mm

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

Designed for bicycles with press-fit headsets, the Classic Press Fit Upper Headset features full-complement stainless steel angular contact cartridge bearings packed with Ritchey high-webbing grease. Wrapped in our timeless high-polish finish, the Classic Press Fit Upper headset adds that classy detail your bike deserves. - Top cap: 7.3 - Material: Alloy - Upper Fit (S.H.I.S.): ZS44/28.6 - Upper HT OD/ID: 50/44mm - Bearing: Sealed cartridge - Finish: High-polish silver - Weight: 43g (7.3mm)

Comp Logic Threadless Headset - Lightweight, precision-machined aluminum cups - Deep cups for solid insertion

Got a threaded steerer without spacers or brake hangers? Chris King's GripNut Headset is the choice for you. Ideal for heavy touring and riding over rough terrain, the GripNut features an extra threaded collet that locks the steerer in place, offering incredible holding power and adjustability. It’s also a welcome solution for forks with damaged or undersized threads. The additional collet makes it easy to install a fork that's had its steerer tube cut too short.

Wolf Tooth Performance Headsets are machined out of aircraft grade aluminum and assembled with Black Oxide Cartridge Bearings, balancing quality and price. - Black Oxide Bearings are made from chromium steel for high load capacity and durability - Black oxide coating reduces corrosion

The AER headset lower is a great choice for road and mountain bike applications- a high-quality durable headset lower with durability and lightweight performance in mind. - Steel/Aluminum hybrid bearings

The Inset headset offers Chris King's trademark quality and durability in a low-stack configuration sized for contemporary headtube dimensions. King's legendary, made-in-house bearings still form the centerpiece of the Inset headsets, with precisely machined aluminum cups and headset caps available in all ten classic Chris King colors. The Inset 7 is compatible with tapered 1-1/8 - 1-1/2-inch forks and frames using a 44mm headtube.

Wolf Tooth Premium headsets are machined out of aircraft grade aluminum and feature high-end bearings made by Enduro. They are engineered to use the largest possible ball size and are filled with high-pressure waterproof lubricant. A pair of dual-lip seals ride in micro-grooves to keep out water and debris. Stainless Steel Bearings provide unparalleled corrosion resistance Highly recommended if your headset will be exposed to wet conditions or sweat Lifetime warranty

Wolf Tooth Premium headsets are machined out of aircraft grade aluminum and feature high-end bearings made by Enduro. They are engineered to use the largest possible ball size and are filled with high-pressure waterproof lubricant. A pair of dual-lip seals ride in micro-grooves to keep out water and debris. - Stainless Steel Bearings provide unparalleled corrosion resistance - Highly recommended if your headset will be exposed to wet conditions or sweat - Lifetime warranty

The GeoShift Performance Angle Headset allows you to adjust the geometry of your bike by changing the head tube angle, available in 1 or 2 degree options. This unique design lets the bearings sit at an angle to align with the steerer tube, preventing creaking noises commonly found with angle headsets that feature a spherical design. Reduce the head tube angle to make for slacker geometry and added stability on fast descents, or increase the angle using the opposite orientation of the headset, to make for steeper geometry and quicker steering with maximum front wheel traction. - Enduro black oxide coated chromium steel bearing included on both the upper and lower - Upper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a compression plug (sold separately) - Machined in the USA with lightweight, strong, durable aircraft-grade 6061 aluminum - Includes: Upper and lower cups, bearings, crown race, star nut, shims, stem cap with 5mm integrated spacer and bolt - 1 Degree Adjustment - Short version is designed for headtube lengths between 90 - 115 mm

Wolf Tooth Performance Headsets are machined out of aircraft grade aluminum and assembled with Black Oxide Cartridge Bearings, balancing quality and price. - Black Oxide Bearings are made from chromium steel for high load capacity and durability - Black oxide coating reduces corrosion

Crown races for Wolf Tooth headsets. - For Wolf Tooth headsets

Wolf Tooth Premium headsets are machined out of aircraft grade aluminum and feature high-end bearings made by Enduro. They are engineered to use the largest possible ball size and are filled with high-pressure waterproof lubricant. A pair of dual-lip seals ride in micro-grooves to keep out water and debris. - Stainless Steel Bearings provide unparalleled corrosion resistance - Highly recommended if your headset will be exposed to wet conditions or sweat - Lifetime warranty

The GeoShift Performance Angle Headset allows you to adjust the geometry of your bike by changing the head tube angle, available in 1 or 2 degree options. This unique design lets the bearings sit at an angle to align with the steerer tube, preventing creaking noises commonly found with angle headsets that feature a spherical design. Reduce the head tube angle to make for slacker geometry and added stability on fast descents, or increase the angle using the opposite orientation of the headset, to make for steeper geometry and quicker steering with maximum front wheel traction. - Enduro black oxide coated chromium steel bearing included on both the upper and lower - Upper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a compression plug (sold separately) - Machined in the USA with lightweight, strong, durable aircraft-grade 6061 aluminum - Includes: Upper and lower cups, bearings, crown race, star nut, shims, stem cap with 5mm integrated spacer and bolt - 1 Degree Adjustment - Long version is designed for headtube lengths between 115 - 140 mm

Super-smooth steering, quality materials, cutting-edge design and serious durability are all hallmarks of Cane Creek headsets. The 40 Series has light, tough, and beautiful machined 6061 T6-aluminum cups that are internally relieved for even more gram shaving. You also get Cane Creek's corrosion-resistant black-oxide sealed bearings and quality seals throughout to keep the grease in and the dirt out, including Cane Creek's Clip Seal that completely seals the top assembly.

The award-winning AngleSet threadless headset makes it possible to change your game. You can transform the head angle of your mountain bike with ease, with up to six offset angle adjustments. Steeper or slacker adjustments from 0.5 to 1.5 degrees, make dialing in the perfect geometry to attack the trail a breeze. The design of AngleSet is head-tube length independent and fits most popular head-tube standards for both tapered and straight forks.

Backed by a 110-year warranty and constructed in Fletcher, NC, the 110-Series headset is designed with no compromises in quality, durability, or finish quality. Zero stack uppers press into head tube with very little stack height. Lowers are either zero stack or external cup. - Sealed stainless steel bearings - Carbon-friendy compression ring captured in top cover, keeping shims in place - 7075 T-6 aluminum cups machined in Fletcher, NC - Aluminum dual seal crown race protects lower bearing - Interlok spacer compatible - 110 year warrranty

Cane Creek headsets with Hellbender stainless steel bearings with increased sealing elements and more grease in relation to the comparable 110 bearing. - Designed to bridge the gap between the 40-series and 110-series headsets

Super-smooth steering, quality materials, cutting-edge design and serious durability are all hallmarks of Cane Creek's 110 headsets. And, the 110 comes with an amazing 110-year, no-questions-asked warranty! - Technical Description: IS41/28.6/H9/x - Top Type: IS - Integrated - Top Head Tube Inside Dia.: 41.1mm - Stem Clamp Dia.: 28.6mm - Top Stack Height: 9mm (Short), 15mm (Tall) - Top Bearing Type: Top-quality, sealed stainless steel bearings - Material: 7075 aluminum - Weight: 41.81g

Hellbender 70 Lite headset.

Cane Creek 40 EC Headset Lowers - Compatible with tapered 1-1/8" to 1-1/4" steerer tubes

Super-smooth steering, quality materials, cutting-edge design and serious durability are all hallmarks of Cane Creek's 40-Series headsets. • Technical Description: IS41/28.6/H9/K • Top Type: IS - Integrated • Top Head Tube Inside Dia.: 41.1mm • Stem Clamp Dia.: 28.6mm • Top Stack Height: 9mm (Short), 15mm (Tall) • Top Bearing Type: Black Oxide, Sealed • Material: 6061 aluminum • Weight: 37g

This is the Top Cover for the Cane Creek 40 Series ZeroStack headset. Please contact us if you have any questions about which parts are correct for your headset.

ViscoSet offers viscous damping to make bicycles safer by inhibiting the uncontrolled steering oscillation known as speed wobble. "Speed wobble" or "head shake" are vibrations that start small and get worse due to harmonics. This frightening shimmy can affect the handling of any bicycle under certain conditions and is the result of many different factors. - Interlok spacer compatible - Fully face sealed crown race - Dependable black-oxide, sealed cartridge bearings - Pre-Greased cartridge, no re-grease needed

The GeoShift Performance Angle Headset allows you to adjust the geometry of your bike by changing the head tube angle, available in 1 or 2 degree options. This unique design lets the bearings sit at an angle to align with the steerer tube, preventing creaking noises commonly found with angle headsets that feature a spherical design. Reduce the head tube angle to make for slacker geometry and added stability on fast descents, or increase the angle using the opposite orientation of the headset, to make for steeper geometry and quicker steering with maximum front wheel traction. - Enduro black oxide coated chromium steel bearing included on both the upper and lower - Upper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a compression plug (sold separately) - Machined in the USA with lightweight, strong, durable aircraft-grade 6061 aluminum - Includes: Upper and lower cups, bearings, crown race, star nut, shims, stem cap with 5mm integrated spacer and bolt - 1 Degree Adjustment - Long version is designed for headtube lengths between 115 - 140mm