Stems

The Bontrager Comp 31.8 stem is Blendr ready and provides a secure and confident connection to 31.8 handlebars for road, city, and mountain bikes. - 6061-T6 cast body construction - 4-bolt dual band clamp retains stiffness and reduces weight - Opposing 2-bolt steerer tube clamp with M5 corrosion resistant steel bolts - Blendr ready for seamless accessory integration - Compatible with Blendr Elite bases and Blendr mounts - Suitable for use on a road, city, or mountain bike - Safe for use on carbon steerer tubes and handlebars

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

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

An OCLV Carbon integrated road bike handlebar/stem with an ergonomic and aerodynamic shape. POSITIONED FOR POWER The Trek Aero RSL Road Integrated Handlebar/Stem is built upon our Race Fit, with a shorter reach and hoods that are 3cm narrower than the drops. This moves you into a more comfortable ergonomic riding position that greatly reduces rider drag for an e/tra aerodynamic advantage. A 6-degree flare allows for ample wrist clearance and control, so you don't lose any power or comfort in e/plosive sprinting moments. Plus, riders get the weight-saving and aerodynamic advantage of a single-piece bar combined with stem. PRODUCT DETAILS - OCLV Carbon construction is ultra-light, compliant, and durable - 7-degrees of ergonomic backsweep reduces rider drag for e/tra aerodynamic speed and comfort - Hoods measure 3cm narrower than drops - 6-degree flare provides ample wrist clearance for sprinting - Brake lever position guides for spot-on control set-up - Electronic shift compatibility only - Only compatible with Madone Gen 8 - Race Fit puts riders into a more comfortable, ergonomic riding position

Strong, light, and capable The Kovee Pro 35 stem is the perfect centerpiece for cross country race bike. This lightweight stem is optimized for the latest XC mountain bike standard, with a 35mm clamp diameter that combines with a 35mm handlebar to provide a stronger, lighter system. An oversized 35mm clamp diameter MTB stem that offers increased strength and minimal weight - Oversized 35mm clamp diameter offers increased strength and minimal weight - 7075 T73, 3D, forged alloy construction - Laser-etched calibration marks make dialing in the perfect angle simple and repeatable - Compatible with both Knock Block and standard headsets and spacers - Blendr compatible for an elegant, integrated accessory mounting solution - Available in a wide range of sizes for today's mountain rider - High-strength, corrosion-resistant steel bolts - Approved for carbon bars

Get back on the road with a genuine replacement stem. Original replacement stem for your Electra. PRODUCT DETAILS - Original equipment replacement for Super Deluxe tandem 7i bikes - Adjustable stem length

A light, durable 35mm MTB stem that adds Blendr capability for clean, integrated mounting of lights or computer. Equip your whip with this 35mm Line Pro stem and give yourself the oversized advantage. Forged from light and strong 7075-T73 3D aluminum, the oversized 35mm design offers increased strength and a lighter overall bar and stem system weight. Use with included Blendr base and mount for integrated mounting options for light or computer. Product details - Oversized 35mm clamp diameter offers increased strength and minimal weight - 7075 T73, 3D, forged alloy construction - Laser-etched calibration marks make dialing in the perfect angle simple and repeatable - Compatible with both Knock Block and standard headsets and spacers - Blendr compatible for an elegant, integrated accessory mounting solution - High-strength, corrosion-resistant steel bolts - Includes Blendr mono base, Garmin Mount, and Ion Light Mount - Approved for carbon bars

An ultralight OCLV Carbon stem with flush-fit faceplate bands and Blendr integration for a clean look. The lightweight stem for seamless integration OCLV Carbon construction of the RSL Blendr stem combines lightweight strength with a classy aesthetic. It's equipped with captured titanium hardware that ensures you never drop bolts again, and the dual-banded faceplate shaves weight and works seamlessly with mounted accessories using the Blendr integration system. Product details - Ultra-light OCLV Carbon construction - Flush-fit 4-bolt dual band bar clamps offer seamless look - Captured Titanium screws save weight while making installation easy - Integrate accessories with included Blendr Mono Base and Blendr Ion and Garmin mounts - Mounts available for use with Ion and Trip, Garmin, GoPro, and SRM accessories - Approved for carbon bars and steerer tubes

Genuine replacement parts Get back on the road with a genuine replacement stem. For a perfect fit on the bike. - With 31.8mm handlebar clamp - 35-degree rise - 55mm height

Get back on the road with a genuine replacement stem. Original replacement stem for your bike. PRODUCT DETAILS - Choose the right stem length - Includes mounting bolts

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

Electra's Cruiser Aluminum Stem is a stable, solid replacement for your original equipment. Designed to work with a 1-inch headset, the Cruiser Stem is made from no-frills aluminum that keeps off the weight while maintaining strength where you need it.

Genuine replacement parts Get back on the road with a genuine replacement stem For optimal adjustability. - Bontrager adjustable stems - Available in several lengths - Includes M6 x 40mm bolt

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;

Key features: - Blendr works with this simple formula: Stem + Base + Mount. Add accessory. - Bases for use with Bontrager XXX Blendr stem - Add any XXX accessory mount (sold seperately) for an elegant, integrated look

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

The WCS C220 stem is easy to install and remove thanks to a press-fit handlebar clamp interface and forward-facing hardware. - The handlebar clamp design creates a more secure interface by wrapping a full 220 degrees over the handlebar - Bolt forces are aligned with the clamp so that the stem body embraces the handlebar which is less prone to damaging lightweight bars - Clamp design allows for a lighter faceplate and stem body with no sacrifice in strength or stiffness

For cross country and all-mountain riding, Dimension Trail Stems provide a broad array of sizing options, rigorously tested to ISO 4210 Mountain standards. - Constructed with AL-6061-T6 aluminum - Shot-peened finish - Dimension stems are not intended for use with carbon handlebars or carbon steerer tubes

At just 113g for a 100mm extension, the Energy stem represents cutting-edge aluminum construction. The shape is 3D-forged from 2014 aluminum for great strength, with the final refinements carried out by CNC machining. Titanium bolts complete the package. - Semi Integrated Cable routing (SCR) - 3D-Forged and CNC-machined from AL2014 - 4-bolt sculpted SL faceplate

- CNC machined 2014 aluminum body and 7075 aluminum clamps - 240 degree wrap-around, twin plate clamping system - External webbing to maximize structural strength - 118-158g including stainless steel bolts

For cross country and all-mountain riding, Dimension Trail Stems provide a broad array of sizing options, rigorously tested to ISO 4210 Mountain standards. - Constructed with AL-6061-T6 aluminum - Shot-peened finish - Dimension stems are not intended for use with carbon handlebars or carbon steerer tubes

- Highly weight-optimized single crown stem, ideal for Enduro applications with 31.8mm handlebars - Human Factor Design features micro increment size options, tuned to fit any rider size and style - Human Factor cockpit setup index facilitates tuning of upsweep and backsweep - Ultra-short stack height and true zero-degree rise - Chamfered bar clamp to reduce stress risers and increase fatigue life in handlebars - Forged 2-piece faceplate design reduces overall weight without compromising bar clamp security or stiffness - Shot peen-anodized surface increases strength, durability, and fatigue life Features: - Key Technologies: Human Factor Design, MGR Alloy, Chamfered bar clamp, Custom Top-Cap included - Material: 6-Series Alloy, 3D forged CNC optimized body, 2D forged faceplate - Rise (°): 0 - Diameter: 31.8mm - Stack Height: 34mm - Weight: ±133g (33mm) / ±138g (38mm) ±140g (43mm) ±143g (48mm) - Finish: Shotpeen anodized

- Strong yet competitively lightweight alloy single crown stem for all disciplines - Unique style, modern geometry, and rock-solid construction, without the heavy price tag - Dial your fit with micro-increment size options, tuned to fit any rider size and style - Cockpit setup index lasered onto stem helps with tuning of upsweep and backsweep - Ultra-short stack height and true zero-degree rise - Chamfered bar clamp to reduce stress risers and increase fatigue life in handlebars

Get back on the road with a genuine replacement stem. Original equipment replacement stem for your Madone SLR. PRODUCT DETAILS - High fit stem is 7-degrees of drop - Not compatible with other bikes - For installation instructions, please see your Madone Assembly Manual

Get back on the road with a genuine replacement stem. Original equipment replacement stem for your bike. PRODUCT DETAILS - Includes face plate and face plate bolts - Includes stem cap to cover your cables - Steerer tube bolt not included

Original equipment for your Madone. Genuine replacement parts Proprietary stem to dial in your fit. PRODUCT DETAILS - Original equipment integrated stem Trek Madone SLR bikes - Not compatible with other bikes - Low-fit stem is to be used to create an H1 comparable fit - For installation instructions, please see the Madone Assembly Manual - Go green and save green - Zero packaging means zero waste & zero extra cost

- C-220 degree extra-wide bar clamp improves stiffness and fits most riser bars - 3D forged 6061 alloy - 42mm steerer height with 41mm faceplate width - 142g (90mm)

Race Face's Ride stem is designed specifically for riders looking for Race Face engineering and quality at a value price point. - Forged and shot peened from 6061 aluminum for high strength and fatigue resistance at a reasonable weight - Four bolt bar clamp holds bar securely in position - Machined logo on bar clamp

Profile's Aris stem is a no-nonsense stem made from 6061-aluminum that's been shot-peened and anodized for strength and durability. The 4-bolt face plate is stiff, ultra tough and makes handlebar changes a breeze. And, the opposing-bolt steerer clamp is safe and secure.

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.