A split aluminium shim that fits over a 25.4 mm (1 inch) steerer tube changing the outer dimension to 28.6 mm (1-1/8 inch)Allows the use of a stem designed to fit 1-1/8 inch steerer tubes where greater choice is availableBlack anodised finish with laser etched detail
Brand-X Threadless 34EESS Sealed HeadsetComing kitted out with a robust alloy construction, this headset is engineered for the demands of modern riding. Brand-X has also put this model through its CNC forging and machining process to remove any unnecessary excess material, while still maintaining maximum strength. This allows it to achieve a superior strength-to-weight ratio for smooth and secure steering performance without any weight penalty. One final highlight is its angular contact sealed bearings that deliver reliability in all weather conditions. Comes complete with a top cap and a star nut to complement your ride.Features: Material: CNC forged and machined 6061 Alloy SHIS Norm: EC34 28.6 EC34 30 Height: 29mm Angular contact sealed bearings Includes: Top cap and Star NutManufacturer's Part Number: BXTHREADLESS34EESSH Black 34EESS SealedBuy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
The FSA NO.10 Threadless Headset is for 50mm OD head tubes and comes with an alloy custom top cover and 5/32"×20 retainer bearings.For 50mm OD head tube1.1/8" steererAlloy custom top cover5/32"×20 retainer bearings
A great value for money headsetDurable hardened steel cups,open cage bearings,Compact 25.4 mm stack height,All black in colour,Includes star nut assembly.
A great value for money headset contructed from durable hardened steel cups. Hardened steel bearings Compact 25.4 mm stack height Available for 1' and 1 1/8' headtubes All black in colour Includes star nut assembly
Key Features:For 50mm OD head tube,1.1/8" steerer,Alloy custom top cover,5/32"×20 retainer bearings.
Threadless conversion for threaded forks allowing a larger range of modern stems to be fitted to older bikesConverts a 1 inch quill stem bike to accept 1-1/8 inch threadless stems,Aluminium body, steel bolt,Weight: 160 grams.
Threadless conversion for threaded forks allowing a larger range of modern stems to be fitted to older bikesConverts a 1 inch quill stem bike to accept 1-1/8 inch threadless stemsAluminium body steel boltWeight: 160 grams
Reliable sealed bearing headset for 1-1/8inch & 1Inch steerers. Steel frame cups for durability Hardened steel bearings Available for 1' and 1 1/8' headtubes Stack height: 37.6 mm Weight: 106 grams
Ritchey Logic Threadless Headset (1")To bring you a solid and reliable component with a low overall weight, Ritchey has given its smooth performing Logic Threadless Headset a smaller upper bearing and a larger bottom type. This prevents unnecessary bulk from being added to your bike and ensures it’s hard-wearing. Extensively tested to twice the requirements of European standards, its deep bearing cups sit securely in your road bike's headtube to prevent any flex as your sprinting or attacking a climb. Features: Material: Chromoly (CrMo) and Plastic Steerer Tube Compatibility: 1" threadless Type: Conventional Stack Height: 28.3mm Upper Bearing Size: 30mm external, 25.4mm internal Lower Bearing Size: 30mm external, 26mm internal Upper Standard Headset Information (S.H.I.S): EC30/25.4 Lower S.H.I.S Information: EC30/26 Bearing Type: Retainer ball bearingBuy Ritchey Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
FSA Hammer Threadless Headset (TH-877)If you’re looking for a mountain bike (MTB) headset that’s built to withstand huge hits and endure all that the dirt jump trails can throw at you, the Hammer Threadless Headset is the perfect option. Compatible with conventional 34mm headtubes and straight 1.1/8” fork steerers, its 12mm deep cups sit firmly into your bike’s frame as you’re landing huge jumps on your dirt jump (DJ) or freeride (FR) bike. Inside these forged and CNC machined steel cups FSA has added heavy-duty oversized steel retainer bearings, which are ready for anything and keep operating smoothly even in the harshest riding conditions.Features: Material: Forged and CNC machined Steel cups, Nylon top cover & Plastic seal Type: Conventional Fork Steerer Tube Compatibility: 1.1/8" Upper Bearing Cup Size: 34mm external, 28.6mm internal Lower Bearing Cup Size: 34mm external, 30mm internal Crown Race Size: 30mm Stack Height: 24.2mm (12.3 + 11.9mm) Use: Dirt Jump (DJ) Freeride (FR) bikes Upper Ball Bearing Size: 5/32"x20 caged ball bearings Lower Ball Bearing Size: Oversized 3/16"x20B caged ball bearings Upper Standard Headset Information System (S.H.I.S): EC34/28.6 Lower S.H.I.S Information: EC34/30 12mm "Deep Cup" design Manufacturer's Part Number: 141-2340 Weight: 149gBuy FSA Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
The FSA TH-857 1 1/8 Inch headset features 6061 T6 forged and CNC machined cups and alloy top cover and caged ball bearings for a smooth feel.1-1/8" caged ball bearings6061 T6 forged and CNC machined cupsAlloy top coverStack height: 14 + 11.8 = 25.8mmSpares:Top and Bottom bearings: MR013Crown race: H6010