Stems

Proper fit on your bicycle isn't just for the pros. Swap out the old stock stem on whatever bike you ride for the adaptable Bontrager Comp alloy stem. - Construction: 6061-T6 forged and welded body - Removable 2-bolt face plate - Opposing 2-bolt steerer tube clamp - Corrosion-resistant steel bolts - Suitable for road or mountain use - Safe for use on carbon steerer tubes and handlebars - 50mm stack height

• 3D forged 6061 aluminum body with oversize box cross-section • ± 8° requires fewer spacers • 46mm wide 6061 aluminum faceplate • Steel hardware

The forged alloy construction of the Bontrager Pro Blendr Stem delivers stiffness without compromising its light weight or sleek looks. Easy integration of lights, a computer, and more with the Blendr integration system make this stem a perfect upgrade for any bike. - Pro-level quality 31.8mm clamp diameter stem weighs less than many carbon stems - 4-bolt dual band clamp securely holds handlebar - Uses high-quality M5 corrosion-resistant faceplate bolts with 5.2Nm torque spec - Integrate accessories with included Blendr Pro base and Blendr XXX accessory mounts - Mounts intended for use with Ion and Trip, Garmin, GoPro and SRM accessories - Approved for carbon bars and steerer tubes - Safe installation requires 5mm spacer above and below stem - Included Blendr accessories: Pro Mono Base, Trip Computer mount, and High Ion Light mount

Bontrager's Rhythm Pro Stem is engineered for the rigors and punishment of aggressive, all-mountain riding. Thanks to its forged 7050-T6 aluminum construction, it's strong, light and stiff. The CNC-machined 4-bolt faceplate is ultra tough and evenly distributes the clamping force on carbon bars. And, the opposing 2-bolt steerer clamp is safe and secure, even for carbon steerers.

The XXX Stem is still our lightest carbon fiber stem, but it's been redesigned with the new CnD shape profile for a more controlled and forgiving ride experience, providing you with consistent comfort to the Nth degree. - Seamless accessory integration with Blendr XXX - CnD shape profile increases torsional stiffness and vertical compliance - Double-barrel, single-bolt (M6) system clamps evenly and conveniently - 4-bolt dual band clamp securely holds handlebar - Uses high-quality M5 titanium face plate bolts with 5.2Nm torque spec - Safe for use with carbon and alloy steerer tubes and handlebars - Suitable for road or mountain use

The Bontrager Elite Blendr Stem provides easy solutions for accessory integration. This alloy stem is light and strong, and it gives you endless options to integrate lights, a computer, and more with Blendr Elite accessory integration. - Seamless accessory integration with Blendr Elite - 6061-T6, 3D, forged alloy construction - 4-bolt dual band clamp retains stiffness and reduces weight - Opposing 2-bolt steerer tube clamp - Uses M5 countersunk, corrosion-resistant steel bolts with 5.2Nm torque spec - Approved for carbon bars and steerer tubes - Includes one Blendr base to integrate Ion lights and Trip computers

Run your favorite 31.8mm clamping diameter handlebar on a bike with Knock Block with the Rhythm Comp 31.8. It adds Knock Block compatibility to a durable stem with multiple lengths to let you fine-tune the fit to your ride. Get 31.8mm handlebar compatibility with your Knock Block system;Also compatible with standard headsets and spacers;Knock Block system protects frame from impacts by fork and handlebars by eliminating over-rotation of bars;Available in a wide range of sizes for today's mountain rider;See Service Parts for other Knock Block parts;

• 3D forged 2014 aluminum alloy with oversized box cross-section • Oversized 46mm wide 6061 alloy faceplate • Titanium hardware • ± 8° rise requires fewer spacers • 1-1/8" steerer adapter included • Weight: 145 grams (100mm)

Bontrager's SSR 4-Bolt Stem is made of forged 6000 aluminum for awesome strength. The 4-bolt faceplate makes it super easy to install and distributes the clamping force on your bars.

The Bontrager XXX Integrated Handlebar/Stem is a one-piece carbon bar/stem combo that brings clean looks and light weight to any road bike. Lightweight 100% OCLV Carbon construction offers a great road feel and control, while calibration marks and a flat front surface ensure easy lever installation. Features Di2 compatible ports for clean internal wire routing when integrated with Shimano EW-RS910 bar-mounted Di2 junction. Product details - Seamless accessory integration with Blendr - Flat surface front of bar for clean cable routing - Calibration marks allow precise, accurate and repeatable brake lever position - Variable radius, compact flare (VR-CF) shape offers wrist clearance in the drops - 100% OCLV Carbon construction - Internal relief channel eliminates need for additional spacer above stem - Safe for use with carbon and alloy steerer tubes - Compatible with Shimano EW-RS910 bar end Junction-A for cleaner Di2 routing

Bontrager's SSR Stem is made of forged 6000 aluminum for awesome strength. The 2-bolt faceplate makes it super easy to install and distributes the clamping force on your bars. Plus the opposing bolts on the steerer clamp ensure safe and secure tightening. This stem can be flipped for a positive or negative rise.

Giant's Adjustable Angle Stem gives you the custom fit. The 31.8mm handlebar diameter works nicely with modern bars. Place your handlebars high for upright, easy-riding comfort, or go low for a more forward, aggressive position.

Stiff and light with the cleanest accessory solutions available When all you need is the right position, the Elite stem gets it done and more. The strong and light alloy stem is your bike's best workhorse and also features Blendr accessory integration for a sleek setup. Key features - Seamless accessory integration with Blendr Elite - 6061-T6, 3D, forged alloy construction - 4-bolt dual band clamp retains stiffness and reduces weight - Opposing 2-bolt steerer tube clamp - Uses M5 countersunk, corrosion-resistant steel bolts with 5.2Nm torque spec - Safe for use on carbon steerer tubes and handlebars - Includes one Blendr base to integrate Ion lights and Trip computers.

- Solution for riders wanting to raise their drop bars for added comfort - 225mm tall quill (210mm above the min insertion line) - Forged aluminum - 22.2mm quill - 25.4mm clamp - 386-415g

- Adjustable angle from 0 to +45 degrees - 2 bolt removable faceplate for easy adjustability/assembly

Sunlite's Adjustable Stem adjusts from 0 to +60 degrees so that you can place your handlebars wherever they are most comfortable. It boasts light and durable aluminum construction with steel bolts. It fits on 1- and 1 1/8-inch forks and accepts 25.4mm- and 31.8mm-diameter handlebars too, with included shims. Plus, its 2-bolt clamp makes changing bars easy and holds fast.

Origin-8's Fix8 Stem is a nice upgrade for your super-cool fixed-gear bike and perfect for mountain bikes, too. It's forged from lightweight and durable aluminum and features a 4-bolt face clamp that holds fast and makes bar installation/removal quick and easy. Plus, the opposing steerer clamp bolts apply more even holding force to keep your bars from changing position. At 50mm long, this stout stem is great for flatland tricks, bar spins, and anything else you come up with.

- 3D forged AL-2014 construction - Sizes: 50 - 130mm, 10 deg. angle - Suitable for 1-1/8" forks - Diameter handlebar clamp: 31.8mm - Headlock system for a secure front clamp fixation

- 3-D forged AL6061-T6 alloy construction - 40mm stack height - 4 bolt front loading faceplate design

Origin-8's X-Tra Lift Stem Riser is an adapter that lets you raise your handlebars and stem. It fits over and securely bolts to 1 1/8-inch forks to extend them. This gives you more height to raise your stem/bars. You use the included spacers to dial in the best fit. The Stem Riser is made from forged 6061 aluminum and is anodized for durability.

- Stiff, ultra-light, full-composite oversize box-section increases torsional stiffness with tuned vertical compliance - 46mm wide alloy faceplate - Titanium hardware - Recessed top cap and semi-integrated spacer maximizes stem to steerer contact - ± 8° rise requires fewer spacers - 1-1/8" steerer adapter included

- Ultralight, one-piece full-composite construction fine-tuned for vibration damping and aerodynamics - Dual radius drop and aero top profile for maximum aerodynamics - 12 width/length combinations meets most performance fit needs - OverDrive 2 provides improved steering stiffness - Compatible with the new Contact SL Aero Clip-on system - Steerer diameter: 1-1/4-inch, compatible with 1-1/8-inch with adapter (sold separately)

Giant is a world leader in carbon and their Contact SLR Aero Integrated Handlebars are as masterfully engineered and performance-enhancing as they are beautiful. They boast an ultralight one-piece, carbon handlebar/stem combo for the power transfer to climb more easily, jump out of the pack with ease and sprint for the win. They feature Giant's OD2 carbon technology for superior cornering stiffness and steering precision and come in a complete size run for finding your perfect fit. This dream bar/stem combo has rustproof stainless-steel stem bolts and it is also compatible with clip-on aero bars should you want to go even faster.

FSA's K-Force OS-99 CSI is 3-D forged and CNC machined from AL2014 before a uni-directional (UD) carbon weave skin is applied through the Carbon Structural Integration (CSI) process. To further reduce weight the OS-99 uses a 4-bolt sculpted AL2014 alloy/carbon faceplate and titanium hardware. CSI is a process that permanently bonds carbon to alloy, to create a true hybrid product, with many of the benefits of aluminum and carbon. - Stack Height: 41mm - Weight: 126g (100mm)

- Forged aluminum construction - 4-bolt handlebar clamp - Quill length: 180mm - Steerer Diameter: 1-inch - Length: 90, 110mm - Clamp Diameter: 31.8mm - Rise: 25 degrees

The Koryak Di2 stem is ideal for AM, Trail, and XC. It's 3D forged with AL-7075 aluminum for a strong and lightweight stem, and has a headlock system for a secure front clamp fixation. The Koryak stem is ready to hit the trail.

the Pro LT stem is constructed of strong and lightweight anodized 6061 alloy, and features a headlock system for a secure front clamp fixation.

Named after the 15km-high volcanoes of Mars, Tharsis is synonymous with long days in the mountains and the spirit of discovery and adventure. Tharsis components have the strength to tackle the most rugged terrain while retaining low weight. - Anodized AL-7075 - Integrated headset adjuster - Headlock front clamp system - Lightweight titanium bolts - Compatible for Shimano DI2 cable and battery integration

Some might call it magic—PRO likes to refer to it as co-creation: aligning all forces to work in favor of you. The PRO Vibe Stem is designed to align your cockpit perfectly with your bike for an optimal riding position. Supreme stiffness offers you more control during those high-speed descents or maneuvers. It's also developed for ultimate integration with Di2 to give you maximum aerodynamic performance and ultra-clean styling. With the specially positioned cable ports, you can internally route Shimano Di2 cables. All of the advantages of Di2, with none of the cables showing. Align yourself with performance—use the PRO Vibe Stem. - Anodized AL-7075 - Shimano DI2 integration - Lightweight titanium bolts - Integrated topcap

Customize the comfort of your ride with the Front Load Adjustable Quill Stem. The long quill length and angle choices make proper handlebar placement a breeze and the polished aluminum construction provides strength and great looks.