Stems

Zipp's Service Course SL Stem, crafted from 7075 aluminum, features a shape that's strong and lightweight, resulting in a best-in-class 1.85 grams per newton meter of stiffness. That results in no-flex sprints and accelerations. This stem is a favorite of Zipp ambassadors and pro athletes. - Distinctive Zipp cosmetics - Zipp Quickview integrated computer mount available separately - Lifetime warranty

On today's road bikes, silver stands out amid the sea of stealthy black color schemes. This time-honored color is available on the Zipp Service Course stem. Since the introduction of our line of Service Course and Service Course SL components, we've had amazing success with our pro-level athletes in all disciplines. While the successes have reinforced our design decisions, we have also drawn from their feedback. We not only learned how and why athletes make their equipment choices, but how our manufacturing methods and materials affect product performance. With new knowledge as well as new engineering methods, we are proud to introduce our completely redesigned line of Service Course and Service Course SL stems. - Class-leading stiffness-to-weight ratio - More options for a better fit - New faceplate and geometry for greater stiffness and easier installation - Distinctive silver finish

The Atmos 7k stem is a lightweight performance stem designed for trail and cross-country use and is the lightest stem in the Atmos range. Featuring a rise or drop of 6° depending on your preference, all fasteners are adjustable via a T25 tool for easy, quick adjustments. The Atmos 7k also features an integrated GoPro mount. - ±6° angle - Integrated GoPro mount - T25 fasteners for 1 tool across the cockpit SPECIFICATIONS - Stem Angle/Rise: 6 degrees - Clamp diameter: 31.8mm - Steerer clamp diameter: 1-1/8 in - Hardware: Steel

The Elite X4 Mountain Stem is instantly recognizable because of Thomson's legendary style, and with strength to spare, this stem is more than just a pretty face. Made from a solid, one-piece block of 7000-series aluminum, the X4 combines exceptional strength with light weight for durable, solid steering control to tame the toughest trails. It has a four-bolt clamp design and reversible graphics, so your X4 looks great whichever way you run it.

Sunlite's Adjustable Quill Stem puts your bars right where you want them. This wonderfully easy-to-use stem adjusts from 0 to +50 degrees—more than enough to help you find your ideal position. And, the 2-bolt clamp holds securely holds your bars.

• Forged aluminum • Classic streamlined shape • 2-bolt clamp • 180mm tall

Specialized's Comp Multi Stem is forged and machined from 6061 aluminum for stiff, responsive handling. The 6-degree rise puts your bars in a position for improved control and the 31.8mm handlebar clamp is compatible with composite and aluminum handlebars.

3D-forged and CNC-machined from 6061 aluminum the Future Stem Comp is optimized for use with all Future Shocks. It's also compatible with our Specialized accessory mount for seamless integration. - 3D-forged and CNC-machined, 6061 aluminum, Future Shock-optimized stem. - Available in 6-degree angles and 60, 70, 80, 90, 100, 110, and 120mm lengths. - Compatible with the Specialized accessory mount.

The Control Stem is tailor-made with a 35mm clamp to partner with the Control SL bar, delivering more stiffness and more control—coming in at an incredibly light 100g (50mm). Turns out, you can have it all. LIGHT: Where light weight and stiffness meet. Its high-quality 7075 Alloy and Ti hardware and featherweight function make the Control SL Stem a perfect match for race-day setups. STIFF: Made with the same integrity as the suite of stiff Roval components, the Control SL provides race-ready rigidity allowing for precision on the bike. FIT: With six lengths to choose from and 6 degrees of rise, you know you'll find your perfect fit. - Material: 3D-forged and CNC-machined, 7075 aluminum - Bolts: Titanium - Length: 50mm, 60mm, 70mm, 80mm, 90mm, 100mm - Rise: 6 degree rise - Weight: 100g (at 50mm), 130g (at 100mm) - Clamp Diameter: 35mm - Clamp Height: 40mm - Steerer Tube: 1-1/8"

Specialized's S-Works SL Stem is sleek and lightweight. - 3D-forged and CNC-machined, 7075 aluminum road stem . - Includes expander plug for carbon steerer tubes and titanium hardware.

Lean and clean. The lightweight and stiff S-Works Tarmac Stem features integrated cable routing for Tarmac SL7 models to clean up the cockpit without complicating the bike build. - Compatible with Tarmac integrated cockpit. - Integrated face-plate computer mount. - 80-140mm length options. - 6 and 12 degree rise options. - Approx. weight: 155g (100mm)

The S-Works Venge stem has been designed to work as a system with the Venge cockpit to optimize aerodynamics, stiffness, and weight. - Seamless integration with the 2019 Venge frame and hidden cables - Optimized for use with the S-Works Aerofly II handlebars for integration - Its dropped clamp and flat upper profile cheat the wind for the maximum aero advantage - Extremely stiff for responsive handling and out of the saddle sprinting

- Bar Clamp Diameter: 31.8mm - Material: Alloy - Stem Angle: +17 degrees, -17 degrees - S.H.I.S. Stem Clamp Diameter: 31.8mm

Proven time after time to be a reliable, easily adjustable system that continues to outperform the competition, the 4-Axis stem is a surefire go-to for an entry level stem that has world-class performance. - Bar Clamp Diameter: 31.8mm - Material: Alloy - Stem Angle: 30 degrees - S.H.I.S. Stem Clamp Diameter: 28.6

The RaceFace Aeffect 35 stem brings the advantages of a 35mm bar to the XC/Trail crowd at a mid-level pricepoint while maintaining a refined Race Face look. - Forged and machined from 6061 aluminum - Interlocking 4 bolt bar clamp secures your bar and distributes loads away from bolts - Stack Height: 39mm - Weight: 155g (60mm)

Built for all-mountain riding, the new Aeffect Rally 35 stem is a no nonsense workhorse. With increased strength and shorter length options available for modern bike geometry, Aeffect R performs well above its price point…and all of this at a competitive weight.

- Intended for XC, Trail and All Mountain use - Machined to precision with 7075 aluminum for high strength & fatigue resistance at a very light weight - Interlocking 4 bolt bar clamp secures your bar and distributes loads away from bolts and into the body - Bar Clamp Diameter: 35mm - Stem Angle: -84 deg , +96 deg

Race Face took their super popular Turbine 35mm stem and turned the volume up to R. Increased strength to handle the harshest aggressive all mountain riding combined with an update to 0-degree size for optimized fit and performance. This stem sets the new standard in weight vs strength. - CNC Aluminum - 0-degree rise for perfect fit on aggressive bike frames - Extensive CNC machining for weight reduction without impacting strength - TopLock faceplate design for easy and secure installation

- Intended for XC, Trail and All Mountain use - Machined to precision with 7075 aluminum for high strength & fatigue resistance at a very light weight - Interlocking 4 bolt bar clamp secures your bar and distributes loads away from bolts and into the body - Bar Clamp Diameter: 31.8 mm - Stem Angle: -84 deg , +96 deg

Featuring purpose-engineered shaping, Giant’s all-new aluminum Contact SL stem is stiff, strong and ultra-light. Available in 0° and ±10°angles and eight lengths from 70 to 140mm brings superior performance to a wide range of riders. VERSATILE FIT Available in eight sizes, ranging from 70mm to 140mm, and 2 angles (±0°/ ±10°), the Contact SL stem is perfect for any ride experience. - Super stiff, ultra-light aluminum - Compatible with all Giant OD1 and OD2 steer tubes - Integrated silhouette from stem to cone spacers - Compatible with Giant's Contact SLR/SL computer mount

- 3D forged alloy construction - Fits 1-1/8-inch (28.6mm) steerer forks - Fits 25.4mm handlebar clamp - M6 Black hardware - Weight: 161g (110mm)

With its classic blend of high strength and low weight, Easton's EA50 stem is a smart choice for your favorite ride. It's made of 3D forged aluminum for amazing stiffness and strength. Easton's Top-Lock technology locks the stem and faceplate together, creating a highly rigid interface while minimizing the loads on the bolts, making the EA50 perfectly safe for carbon bars.

EA50 alloy continues to provide both performance and excellent fitment options at a competitive price. From 3D forging processes to our TopLock technology, Easton alloy stems integrate careful design choices into the lineup. The EA50 stem is also compatible with the ICM integrated Garmin mount. - 3D Forged EA50 Alloy - Easton ICM direct-mount faceplate computer mount compatible - TopLock Design for easy bar installation - Finish: Black Ano - Weight: 140 (100mm/7) - Rise: +/- 7 degrees - Clamp Diameter: 31.8mm - Steerer: 1 1/8"

Whether you're on the open roads or scenic mountain trails or anywhere else you ride, Easton's EA70 Stem enhances your cycling experience. It's made of 3D forged aluminum for amazing stiffness, low weight and strength for excellent steering control in all conditions. Plus, Easton's TopLock technology locks the stem and faceplate together, creating a highly rigid interface while minimizing loads on the bolts, making the EA70 perfectly safe for carbon bars.

EA70 alloy continues to provide an impressive balance of performance and value. From lightweight aluminum tubing, to 3D forging processes and our TopLock technology, Easton alloy stems integrate careful design choices into the lineup. The EA70 stem is also compatible with the ICM integrated Garmin mount. - 3D Forged EA70 Alloy - Easton ICM direct-mount faceplate computer mount compatible - TopLock Design for easy bar installation - Finish: Black Ano - Weight: 132g (100mm/0) - Rise: +/- 7 degrees - Clamp Diameter: 31.8mm - Steerer: 1 1/8"

Dimension 25.4 Stem is a fully forged 6061-T6 aluminum stem with 4-bolt handlebar clamp. - 2-D forged AL-6061-T6 - Four-bolt handlebar clamp - 41mm height - Dimension stems are not intended for use with carbon handlebars or carbon steerer tubes - Weight: 130g-180g

Dimension 31.8 Stems are fully forged 6061-T6 aluminum stems that have a 4-bolt handlebar clamp. - 31.8mm can be used with 26.0 bars with additional shim (SM5317) - Dimension stems are not intended for use with carbon handlebars or carbon steer tubes - Weight: 130g-180g

Dimension Tandem Stoker Stem - 25.4mm handlebar clamp; 28.6mm seatpost diameter (For 27.2mm posts, use Problem Solvers shim ST0214) - Tandem stem for mounting Stoker handlebars - 130-170mm extension; 35-degree angle - 60mm stack height

Genuine replacement parts Get back on the road with a genuine replacement stem. For optimal adjustability. - High-quality alloy adjustable stem is compatible with threadless forks - Features 64-degree angular adjustment for a wide range of fit needs - 4-bolt dual band clamp retains stiffness and reduces weight - Blendr ready for seamless accessory integration - Compatible with Blendr Comp & Legacy Elite bases and mounts, sold separately - Other parts are required to install this on a bike, you will be prompted to add the appropriate parts to your cart along with this item

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;