The bearing is ABEC 5 certified which means that it has passed tests which include ID and OD tolerance’s, roundness of ball, trueness of faces & surfaces as well as noise testing at high RPM. These bearings have been designed and tested for the harshest of UK winters so if you want bearings that won’t let you down then these are the ones to get. These headsets have been revised, improved and expanded for optimum fit, sealing and performance as well as compatibility with a wide range of fork and frame standards. Featuring sealed angular contact bearings, split alloy crown races and upper and lower bearing cups CNC-machined from proprietary aluminium, the headset offers the optimum balance of light weight, strength and durability for performance across all riding disciplines. All models feature a super tough black hard anodised finish, with laser-etched graphics. Nukeproof are so confident in the performance of these bearings that they are offering a 5 year warranty so you can be rest assured your purchase will be a good one. Click here to view and download our Nukeproof Headset Technical Manual. Model Headtube Internal Diameter Steerer Black 1.1/8" EX34-30 - B1 34mm 1 1/8" Black 1.1/8" EX44-40 - B5 44mm 1.5" Black 1.5" EX49-40 - B7 49mm 1.5" Black 1.5" ZS56-40 - B8 56mm 1.5"
The bearing is ABEC 5 certified which means that it has passed tests which include ID and OD tolerance’s, roundness of ball, trueness of faces & surfaces as well as noise testing at high RPM. These bearings have been designed and tested for the harshest of UK winters so if you want bearings that won’t let you down then these are the ones to get. These headsets have been revised, improved and expanded for optimum fit, sealing and performance as well as compatibility with a wide range of fork and frame standards. Featuring sealed angular contact bearings, split alloy crown races and upper and lower bearing cups CNC-machined from proprietary aluminium, the headset offers the optimum balance of light weight, strength and durability for performance across all riding disciplines. All models feature a super tough black hard anodised finish, with laser-etched graphics. A top cap and star nut are also included. Nukeproof are so confident in the performance of these bearings that they are offering a 5 year warranty so you can be rest assured your purchase will be a good one. Click here to view and download our Nukeproof Headset Technical Manual. Model Headtube Internal Diameter Steerer Black EX34-28.6 - T1 1.1/8" Top Cap Included 34mm 1 1/8" Black ZS44-28.6 - T2 1.1/8" Top Cap Included 44mm 1 1/8" Black ZS49-28.6 - T3 1.1/8" Top Cap Included 49mm 1 1/8"
Perfect for updating your existing upper headset interface, this upper headset features a hard-wearing aluminium construction. This makes it more than capable of handling all the intensity that's associated with all-day epics in the mountains and long-distance rides on your road bike. Allowing your fork's steerer to rotate inside the frame's headtube, this upper headset is equipped with stainless steel bearings. This gives it an extra layer of durability, while its R3 seal allows it to perform in all-weather conditions. Manufacturer Part Numbers: 1 1/8": 1702605R3S 1.5": 1502605R3S
The Ritchey Comp Headset is built to take the abuse of bad roads and tough mountain bike (MTB) trails while delivering smooth, reliable performance over the long haul. For bikes with semi-integrated ZS head tubes, this Ritchey Comp Press Fit Tapered headset stands out above all others. It features stainless steel angular contact cartridge bearings packed with Ritchey high-webbing grease. The upper bearing is a sealed cartridge, while the lower bearing is coated in titanium. You won't find carbon here, but you will find the kind of performance and reliability you expect from Ritchey.
The Doyenne Headset features highly polished angular contact bearings to ensure smoothness, and the top cap is CNC machined from 6061 alloy and sealed to keep moisture away from the bearings. To protect the lower bearings, we've included a CNC machined 7075 alloy crown race.
Ritchey Comp Press Fit ZS 1.5 Tapered HeadsetMade from an advanced alloy and equipped with semi-sealed cartridge beatings, the Comp Press Fit Headset delivers the smooth operation, reliability and low weight that Ritchey components are renowned for. Compatible with tapered steerer tubes and bike frames with tapered 44/55mm headtubes, it will bring you precise steering and all-weather durability.Features: Material: Ritchey high-quality Alloy, Comp Chromoly (CrMo) top bearing cover Type: Semi integrated Steerer Tube Compatibility: Tapered 1.1/8" to 1.5" Bearing Type: Semi cartridge bearings Crown Race Included: Yes Star Nut and Top Cap Included: Yes Stack Height: 11.3mm Upper Standard Headset Information System (S.H.I.S): ZS44/28.6 Lower S.H.I.S: ZS55/40 Upper Headtube Outer Diameter / Inner Diameter: 50/44mm Lower Headtube Outer Diameter / Inner Diameter: 61/55mm Manufacturer's Part Number: 200.HS247.420 Weight: 103gBuy Ritchey Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Nukeproof Neutron Top Headset CupThis Nukeproof headset is compatible with the bearings from the Nukeproof Steel Bearing or the upgraded Nukeproof Ti coated bearing with stainless balls. Designed to ensure the highest performance for tough and challenging conditions, these headsets have been engineered with durability and quality in mind.The latest generation of headsets has been revised, improved and expanded for optimum fit, sealing and performance as well as compatibility with a wide range of fork and frame standards. Featuring sealed angular contact bearings, split alloy crown races and upper and lower bearing cups CNC-machined from proprietary aluminium, the headset offers the optimum balance of lightweight, strength and durability for performance across all riding disciplines.The is available in a range of options to cover multiple fork/headtube configurations, including a full range of Standard Steerer (SS–1-1/8') and Tapered Steerer (TS–1-1/8' to 1.5') combinations. Internal and external cup options also available including zero-stack versions with internal top and bottom cups.All models feature a super tough black hard anodised finish, with laser-etched graphics.Don't know which headset you need? No problem! Simply use our Headset Technical Guide which includes a Headset Finder.Features:Specific Top Headset cupReplaceable angular contact bearingsLaser-etched graphics (including code)Split Alloy Crown Race for easy installation/removal Hard Anodised FinishInternal and external optionsReducer crown race for 1.5' availableBuy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Nukeproof Neutron Top Headset CupThis Nukeproof headset is compatible with the bearings from the Nukeproof Steel Bearing or the upgraded Nukeproof Ti coated bearing with stainless balls. Designed to ensure the highest performance for tough and challenging conditions, these headsets have been engineered with durability and quality in mind.The latest generation of headsets has been revised, improved and expanded for optimum fit, sealing and performance as well as compatibility with a wide range of fork and frame standards. Featuring sealed angular contact bearings, split alloy crown races and upper and lower bearing cups CNC-machined from proprietary aluminium, the headset offers the optimum balance of lightweight, strength and durability for performance across all riding disciplines.The is available in a range of options to cover multiple fork/headtube configurations, including a full range of Standard Steerer (SS–1-1/8') and Tapered Steerer (TS–1-1/8' to 1.5') combinations. Internal and external cup options also available including zero-stack versions with internal top and bottom cups.All models feature a super tough black hard anodised finish, with laser-etched graphics.Don't know which headset you need? No problem! Simply use our Headset Technical Guide which includes a Headset Finder.Features:Specific Top Headset cupReplaceable angular contact bearingsLaser-etched graphics (including code)Split Alloy Crown Race for easy installation/removal Hard Anodised FinishInternal and external optionsReducer crown race for 1.5' availableBuy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Ritchey WCS Drop In Upper Integrated Headset CupWCS (WORLD CHAMPIONSHIP SERIES) - These words evoke the core philosophy behind Ritcheys highest performance components. The rainbow stripe WCS logo represents the numerous world champions that have won on Ritchey.The WCS line is the gold standard for lightweight, bombproof race parts and cutting edge innovation.Features: Drop-in style headset uppers Titanium coated high quality, long lasting bearings only featured in WCSBuy Ritchey Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Deda Elementi Carbon Headset Spacers (10 Pack)Finish off your bike's cockpit in style with these Deda Elementi headset spacers, which are constructed from 3K high modulus carbon fibre. This pack of 10 will help you to obtain the perfect stem/bar height.Features: Material: 3K high modulus Carbon Fibre Compatibility: For 1 1/8” headset (fork steerer outside diameter 28.6 mm) Outside Diameter: 32.0mm Inside Diameter: 28.6mmBuy Deda Elementi Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Deda Elementi Carbon Headset Spacers (10 Pack)Finish off your bike's cockpit in style with these Deda Elementi headset spacers, which are constructed from 3K high modulus carbon fibre. This pack of 10 will help you to obtain the perfect stem/bar height.Features: Material: 3K high modulus Carbon Fibre Compatibility: For 1 1/8” headset (fork steerer outside diameter 28.6 mm) Outside Diameter: 32.0mm Inside Diameter: 28.6mmBuy Deda Elementi Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Nukeproof Horizon Bottom Headset CupNukeproof's headsets feature titanium-coated race bearings with stainless steel balls. The titanium coating has been applied using a method called 'Physical Vapour Deposition,' (PVD) which helps to improve durability and overall structure and density of the bearings. Incredibly fine, this coating is only 0.000118” thick and won't be damaged with wear or tear or corrode, thanks to the molecular bond from the PVD method. Whatsmore the race bearings have been ABEC 5 certified, making it the ideal addition.These bearings have been designed for use in the harshest weathers and have gone through various tests by the Nukeproof team during development so they are 100% confident in their performance. To back this up Nukeproof are offering a 5-year warranty on these headsets so you can be reassured your purchase will be a good one. All models feature a super tough black hard anodised finish, with laser-etched graphics.Click here to view and download our Nukeproof Headset Technical ManualFeatures: Headset Type: Specific Bottom Cup Bearings: Replaceable, angular contact type Graphics: Laser-etched Crown Race: Split Alloy Finish: Hard Anodised Options: Internal and external Includes: Crown race, top cap and bolt supplied (Reducer crown race for 1.5" 1 1/8" sold separately) Model Headtube Internal Diameter Steerer Black 1.1/8" EX34-30 - B1 34mm 1 1/8" Black 1.1/8" EX44-30 - B5 44mm 1.5" Black 1.5" EX49-40 - B7 49mm 1.5" Black 1.5" ZS56-40 - B8 56mm 1.5" Buy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.