Bike Steering Components

* Dual, knurled aluminum expander wedge-rings for securing and setting compression tension with threadless headsets * Includes: expander kit with bolt and aluminum stem cap * Diaﾑ 23.0-25.0mm * Weight: 49g (w/ stem cap)

Cinelli top caps featuring the bright vivid colours and Designs Cinelli are renowned for.

Replacement headset for CInelli Experience, Mash Histogram, Vigorelli and Saetta frames

Ritchey: For bikes with semi-integrated ZS head tubes, the Ritchey Comp Semi-Integrated ZS headset stands out above all others. The Comp features full-complement stainless steel angular contact cartridge bearings packed with Ritchey high-webbing grease. The upper bearing is a sealed cartridge, while the lower...

Ritchey: For bikes featuring integrated headsets (such as the Ritchey Road Logic and Swiss Cross), the Comp Integrated IS Headset stands above all others. The Comp features semi-cartridge high-quality bearings. Material: steelStack height: 6.8mm (1 ?") / 6.7mm, 16.6mm (1 1.5" tapared) Stack height...

Ritchey: The iconic Ritchey logo is proudly emblazoned on these original silver high-polished Classic 1-1/8" headset spacers. Material: alloyHeight: 5, 10mm Diameter: 1 ?"Pack includes: 3x5mm and 2x10mm spacersColour: high-polish silver / white Ritchey logo

Ritchey: The Classic External Cup EC Threadless Headset is the reliable workhorse of the Ritchey threadless headset range. Now available with our timeless high-polish finish, this smooth and reliable specimen features lightweight, precision-machined aluminum cups, sealed cartridge 45/45-degree bearings, and comes packed with Ritchey...

Ritchey: For bikes featuring integrated headsets (such as the Ritchey Road Logic and Swiss Cross), the WCS Integrated IS 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...

Ritchey: For bikes featuring integrated headsets (such as the Ritchey Road Logic and Swiss Cross), the WCS Integrated IS Headset stands above all others. This beauty features full-complement stainless steel angular contact cartridge bearings packed with Ritchey high-webbing grease. Material: alloyStack height: 9.1, 16.0mmHeadtube...

Ritchey: Designed for bicycles with semi-integrated headsets, the WCS Semi-Integrated ZS Lower Headset features full complement stainless steel angular contact cartridge bearings packed with Ritchey high-webbing grease and corrosion-resistant Ti-coated bearings. Material: alloyStack height: 2.8mmHeadtube OD/ID: 50/44, 55/49, 61/55, 62/56mmS.H.I.S.: ZS42/30  (1 ?"), ZS49/33...

Ritchey: The WCS External Cup EC 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...

Ritchey: Designed specifically for the Ritchey WCS Carbon Fork, this compression device secures the stem and headset for any fork with a carbon steerer. Compression plug for carbon 1-1/8" steerers Top cap fits 1-1/8" stems

Ritchey: Featuring a tasteful TR logo, this compression cap perfectly matches the graphics on all new Ritchey WCS stems for a clean, coordinated aesthetic. Compression bolt and plastic bolt cover are included. Material: alloyIncludes compression cap, bolt and plastic capFits with 1-1/8" stemsWeight: 8gFinish:...

Ritchey: Keep it consistent with original Ritchey replacement parts. Compression cap features etched Ritchey logo. Star nut for steel and alloy 1-1/8" steerers Compression cap fits 1-1/8" stems Available in Superlogic, WCS Carbon, WCS and Comp levels

Ritchey: The Ritchey Comp Cartridge Integrated IS headset lower features full complement stainless steel angular contact sealed cartridge bearings packed with Ritchey high-webbing grease. Material: alloyStack height: zeroHeadtube ID: 42, 47, 52mmS.H.I.S.: IS42/30  (1 ?"), IS47/33 (1 ¼"), IS52/40 (1.5")  IS42/30 (1?") bearing: 41.8/30.5/8mm...

Ritchey: The Ritchey Comp Cartridge Integrated IS 1.5" headset features sealed cartridge bearings and is designed for bicycle frames with 1.5-inch upper and lower headtube dimensions and forks with tapered (1-1/8-~1.5") steerers. Material: alloyStack height: 10.8mmHeadtube ID: 52mmHeadtube OD: 56mmS.H.I.S.: IS52/28.6 (1.5")Bearings: 51.80/40mm 45°/45°...

Ritchey: The Ritchey Comp Cartridge Integrated IS headset upper features full complement stainless steel angular contact sealed cartridge bearings packed with Ritchey high-webbing grease. Material: alloyStack height: 9.1, 16.0mmHeadtube ID: 41.2, 42.0mmS.H.I.S.: IS41/28.6 (1 ?"), IS42/28.6 (1 ?")IS41/28.6 (1 ?") bearing: 41.0/30.15/7mm 45°/45° -...

Ritchey: The CroMo Ritchey Comp Cartridge Semi-Integrated ZS Lower Headset features full complement stainless steel angular contact titanium-coated, sealed cartridge bearings packed with Ritchey high-webbing grease. Material: alloyStack height: 2.8mmHeadtube OD/ID: 50/44, 55/49, 61/55, 62/56mmS.H.I.S.: ZS42/30  (1 ?"), ZS49/33 (1 ¼"), ZS55/40 (1.5"), ZS56/40...

Ritchey: Keep it consistent with original Ritchey replacement parts. Compression cap features etched Ritchey logo. Star nut for steel and alloy 1-1/8" steerers Compression cap fits 1-1/8" stems Available in Superlogic, WCS Carbon, WCS and Comp levels  

Ritchey: The Ritchey External Cup EC Threadless headset features a smaller upper bearing to save weight, while the lightweight, precision-machined aluminum cups are deep for solid insertion. Material: steelThreadlessStack height: 29.8mmStack height upper: 16.8mmStack height lower: 13mmHeadtube ID: 34mmS.H.I.S. upper: EC34/28.6 (1 ?")S.H.I.S. lower:...

Ritchey: A key component of the new Ritchey Switch System, Ritchey's newest headset upper is designed to specifically work with the Ritchey Switch Stem to route cables, wires and hydraulic lines from the handlebar through to the bicycle frame. Cables are routed from the...

Ritchey: A key component of the new Ritchey Switch System, Ritchey's newest headset upper is designed to specifically work with the Ritchey Switch Stem to route cables, wires and hydraulic lines from the handlebar through to the bicycle frame. Cables are routed from the...

Ritchey: The new Ritchey Logic-E 1.5" Integrated IS Upper Headset is a solution designed to allow cables and wires to easily integrate with internal frame routing when using any standard stem – no special stem necessary. Cables and wires enter the headtube through channels...

Ritchey: Bringing Ritchey's heritage of legendary cycling products into the world of e-bikes and electronic shifting, Tom Ritchey designed a unique headset that allows the cables to be run internally from the stem into standard frames without requiring the frame or fork to be...

Ritchey: Bringing Ritchey's heritage of legendary cycling products into the world of e-bikes and electronic shifting, Tom Ritchey designed a unique headset that allows the cables to be run internally from the stem into standard frames without requiring the frame or fork to be...

Ritchey: The Ritchey External Cup EC Threadless headset features a smaller upper bearing to save weight, while the oversize lower bearing is designed to handle loads. Deep bearing cups promise solid insertion. Material: steel/plasticThreadlessStack height: 28.9mmStack height upper: 15.7mmStack height lower: 13.2mmHeadtube ID: 34mmS.H.I.S....

Ritchey: Ritchey Fit external cup headsets offer all the precision engineering and renown reliability for which Ritchey headsets are known. Made with alloy cups, steel races, and retainer bearings, these workhorse headsets are designed for those builds where price matters and performance reigns supreme.

Giant OD2 Mountain Headset is compatible with all Giant OverDrive 2 mountain bikes (1 1/4" to 1 ½" steerer). Features an anodized finish. Compatible with 2012 OverDrive 2 mountain bikes onwards.

Genuine Tifosi top cap and star nut set replacement. * Colour: Black with Tifosi Logo Design * Material: Alloy Cap / Steel Bolt * For USAe With 1.1/8" Forks / Stem / Headset

Tifosi headsets for 1 1/8" or 1 3/8" by 1 1/8" headtubes. Integrated 45/45 degree Campagnolo style fitment for most popular framesets Great value.