Best Cnc Bike Headsets in 2026

Perfect Structure-This mountain road headset has an aluminum alloy structure that can provide excellent stability and durability.

Exquisite Craftsmanship-The mountain bike headset with CNC high-precision processing and fine craftsmanship has the characteristics of non-fading and anti-deformation.

Applicable Size-This mountain bike headset is suitable for a 34mm bicycle frame head tube and is compatible with a 28.6mm straight steering fork.

Sealed cartridge bearings

CNC machined 6061-T6 aluminum alloy cups with laser etched logos

26.4mm & 27.0mm races included

With Forged And Cnc Machined Crmo Cups And Oversized 1/4 Inch Bearings In The Lower Cup, This Headset Will Not Let You Down

Fsa Sl-K Rnumxrnumt Stem Was Constructed To Provide Rigid Support For The Handlebars, Feeling Similar In Both Weight And Stiffness

Manufactured In Taiwan

HIGH QUALITY MATERIAL: This bike headset adopts aluminum alloy construction, which delivers good stability and durability.

FINE WORKMANSHIP: This product has CNC high precision machining and fine workmanship, which is colorfast and anti deformation.

SCOPE OF APPLICATION: This bike headset is suitable for 34mm bike frame head tube and it is compatible for 28.6mm straight steerer fork.

1-1/8", 36°/36° ACB

Alloy top cover

Forged and CNC machined 6061/T6 alloy cups

TH Brand 36 degree Angular Contact sealed bearings

Forged and CNC machined 6061/T6 aluminum cups

Patented alignment tip for increased durability and performance

With forged and CNC machined crmo cups and oversized 1/4 inch bearings in the lower cup, this headset will not let you down

FSA sl-k RNUMxRNUMT stem was constructed to provide rigid support for the handlebars, feeling similar in both weight and stiffness

Manufactured in Taiwan

Material: Forged and CNC machined steel cups and oversized 1/4 inch bearings in the lower cup, this headset will not let you downk.

Specification: Use for 1-1/8" (28.6mm) Straight Fork Tube, Headtube ID.: 34mm, Crown Race: 30mm

Durable, smooth, light-weight, long-lasting headset, representing the perfect balance of performance. Suitable for MTB, road bike, convenient and durable.

HIGH QUALITY MATERIAL: Aluminum alloy construction delivers excellent stability and durability. CNC high precision machining and fine workmanship, colorfast and anti-deformation.

SEALED BEARING HEADSET: Sealed steel bearings, captures the compression ring to reduce the number of loose parts.

DURABLE: Compression ring captured in top cover, keeping shims in place.Bicycle headset is solid and durable, turning smoothly, low noise.

Forged and CNC machined steel cups. 5/32" x 20 upper bearings 3/16" x 20 oversized lower bearings 24.7mm stack height 149g

Compatible with threadless 1-1/8" steerer tubes/stem; Application: Mountain Terrain Bicycle (MTB),Bicycle Motocross (BMX),Road Bike, Fixed Gear etc. For frame with control tubes 50 mm.

Material: Aluminum Cap + Steel Body + Steel Star Nut; Color: Black; Weight: 140 grams

GREAT PERFORMANCE: Equipped with CNC high precision machining, which is colorfast and anti-deformation.

HIGH STABLITY: Aluminum alloy construction delivers excellent stability, and the material is durable to use.

GOOD COMPATIBILITY: head tube bearing retainer is suitable for 34mm bike frame head tube, and compatible for 28.6mm straight steerer fork.

Aluminum Alloy: All aluminum alloy taper straight bottom end general plug, adopt aluminum alloy new material, play light weight effect, quick detach type, split structure, protect the bottom end compatible with 30mm straight bottom end and 1.5-inch taper bottom end

Steel Sleeve: 45# steel sleeve, CNC integrated turning, correct size, the sleeve after heat treatments, high hardness, long life

No Damage: Arc chamfering, match the bottom gear, turning chamfering match the bottom gear Angle, install and drive without damaging the bottom gear

Material: The headset stem top cap is made of aluminum alloy, the bike headset cap is durable, ultra-light, waterproof and anti-rust.

CNC works to reduce every single gram of extra weight and FEA during develop to reduce every single gram.

Suitable for: 1 1/8" (28.6mm) stems and forks, the headset cap perfect for mountain bike, Road bike, BMX, Folding bikes, MTB, Enduro, Downhill bikes.

Road Bike Headset is made of high quality aluminium alloy material, this product is sturdy and durable.

Road Bike Headset, High strength and unbreakable, long service life.

Road Bike Headset is easy to install and reliable to use, very practical.

PREMIUM ALUMINUM ALLOY MATERIAL: This bicycle headset adopts aluminum alloy material which have excellent stability and durability.

CNC PROCESS: CNC high precision machining and fine workmanship have the quality of anti deformation and stability.

LOW NOISE: The sealed steel bearings turning smoothly which durable and have low noise.

- UNIQUE DESIGN - The Black Ahead Stem JRC Logo Design Top Cap comes in an eye-catching anodized design to match with other coloured parts throughout your bike

- ATTRACTIVE FINISH - The 6061 Aluminum Stem Caps are first fully CNC Machined before being anodised and finished with our JRC Components etching.

- DURABLE QUALITY - The top cap is made with aerospace grade 6061-T6 aluminum and paired with a lightweight 7075-T6 Aluminum bolt. In addition to being lightweight, is the both durable and weather resistant, enchancing your bike's aesthetic design for many years to come.

Headset Size： MTB Headset Use for 1-1/8" inch (28.6mm) Straight Fork Tube, Headtube ID.: 34-34mm, Crown Race: 30mm.

Performance：Bike Stem Headset Made of Aluminum Alloy，CNC machined,Anodized surface treatment., Anti-rust, sturdy，durable and smooth.

CNC High-precision Processing：Threadless Headset fork bearings adopts CNC high-precision processing, rotation is very flexible and lubricated, and the rotation is very stable and the noise is very low and the built-in sealing ring helps prevent dust and water from entering, which can prolong the service life.

Highly polished sealed angular contact premium bearings ensure smooth operation

CNC machined AL6061 top cover is sealed to keep moisture and grit away from the bearings

CNC machined AL7075 crown race protects the lower bearings and fork

With forged and CNC machined crmo cups and oversized 1/4 inch bearings in the lower cup, this headset will not let you down

FSA sl-k RNUMxRNUMT stem was constructed to provide rigid support for the handlebars, feeling similar in both weight and stiffness

Manufactured in Taiwan

Headset Size： MTB Headset Use for 1-1/8" inch (28.6mm) Straight Fork Tube, Headtube ID.: 44-44mm.

Performance：Bike Stem Headset Made of Aluminum Alloy，CNC machined,Anodized surface treatment., Anti-rust, sturdy，durable and smooth.

CNC High-precision Processing：Threadless Headset fork bearings adopts CNC high-precision processing, rotation is very flexible and lubricated, and the rotation is very stable and the noise is very low and the built-in sealing ring helps prevent dust and water from entering, which can prolong the service life.

With forged and CNC machined crmo cups and oversized 1/4 inch bearings in the lower cup, this headset will not let you down

Sealed cartridge bearings, Classic shaped w/modern styling

Manufactured in Taiwan

ALUMINUM ALLOY MATERIAL: Bike bearing headset is made of high quality aluminum alloy material, rust proof, wear resistant, sturdy and durable, and long service life.

OIL SEAL WATERPROOF TECHNOLOGY: The waterproof oil seal is placed on the edge of the upper headset of the headset, and the headset cover is lighter and thinner, making the whole headset integrated.

DOUBLE BEARING: Sealed double bearing, waterproof and maintenance free, sturdy and easy to use, flexible in rotation, silent infiltration.

Compatibility: Compatible with most standard straight-tube forks and tapered-tube forks (Up tube: 1/8inch=28.6mm, Down tube 30mm).The bike headset includes two Down stops that can support standard straight and tapered forks.

Product specifications: black/red/gold/blue four colors are available. Suitable for MTB/road bikes etc. Complete with star nuts and bolts.

Material: Made of high-strength 7075 aluminum alloy, light in weight and not easy to deform. Greatly increased service life.

Chooee Headset top Cap are made from high quality aluminium alloy with stainless steel bolts (M6x30mm) and are light weight, strong and durable.

The bicycle Headset top Cap is CNC machined for a more demanding process, the weight is controlled at around 6 grams, very light without losing strength; helmet top diameter: 31.8 mm

The 12 unique pattern designs are electroplated with an anodised surface for a unique style that is resistant to wear and tear and fading. Protects your bars and forks from dust and rain.

High quality: beautifully CNC machined like all of Thomson products in Black or Silver

Cap Specs: for 1 1/8 inch Threadless headset when no spacer is used above stem

Retrofit: regardless of when you purchased your Thomson product, these parts are compatible retroactively. Perfect for X2 or X4 or even the elite stem

Bicycle headset top cap for front shaft fork in 28.6 mm diameter. Fit for all road bikes, mountain bikes, MTB, BMX etc.

This bicycle headset cap is made of aluminium alloy, which is high strength and wear resistance, light weight and anti-corrosion. It's durable to use and can maintain a long service life.

This light bicycle aluminum headset top cap adopted CNC machining precision turning, with fine workmanship, it's high strength. Electroplate color, very beautiful.

FSA ATB and Pro ATB chainrings deliver flawless shifting for any mountain drivetrain

Available in alloy and steel options.Precision CNC machined AL7075/T6 alloy

Shifting ramps and stainless pins for improved performance

Bicycle headset top cap for threadless shaft and fork in 28.6 mm diameter. And would be compatible with most types of bicycles.

This mountain bike headset cap is made of aluminium alloy, which is high strength and wear resistance, light weight and anti-corrosion. It's durable to use and can maintain a long service life.

Headset cover with latch design, this cap has been specially designed for attaching bicycle headsets and stems, and it is easy to install on the bike.

Full set CNC Alloy 6061T6 Cups with Stainless Steel Crown Race Made In Taiwan

Angular contact bearings (45 °/45 ° Campa)

Stack Height:15.2+3.3= 18.5mm