An integrated bar and stem combo that cleanly and securely holds cables for a refined look and added aerodynamics. Save watts, ride faster This aero upgrade cleans up your cockpit by securely storing cables for a refined look and free speed. The Aeolus RSL bar/stem combo is proven in the wind tunnel to save 7 watts, making it 10% faster than its predecessor. It's light, fast, easy to install, and Blendr-compatible for seamless integration of your light or Garmin. Product details - OCLV Carbon construction is ultra-light, compliant, and durable - Integrated bar/stem design improves aerodynamics and saves weight - Proven in the wind tunnel to save 7 watts, making it 10 % faster than its predecessor - Integrated cable management system held secure with M4 hex bolt, 5Nm torque - Variable Radius Compact (VR-C) design allows longer reach and drop - Includes Blendr mono and duo bases with mounts for Ion light and Garmin computer - Approved for use with carbon or alloy steerer
The Madone is built as a seamlessly integrated machine designed to do one thing: go fast. Trek's Madone Integrated Bar/Stem is an important part of that integration. Available in a variety or widths and reaches so you can dial in your superbike specifically for you. - Compatible with model year 2016/17 Madone - Variable radius, compact flare (VR-CF) shape offers wrist clearance in the drops - 100% OCLV carbon fiber construction - Seamless accessory integration with Blendr - Blendr accessory bases and mounts sold separately
An aerodynamically honed stem with adjustable length and angle to optimize your position. The rider makes up 80-90% of total aero drag, so refining your position can produce some of the biggest gains of all. Further, the shape of the stem, plus the ability to eliminate headset spacers, allows for cleaner airflow at the front of the bike, producing valuable drag reduction. Created in conjunction with Team Dimension Data, the stem delivers the confident and responsive ride feel demanded by the best riders in the world. This stem is intended for negative drop only and cannot be flipped or reversed in a positive rise. - Material: Carbon - Faceplate Material: Aluminum - Hardware Material: Titanium - Stack Height: 42.5mm with length shim / 45.5mm with angle shim - Torque Spec, Face Plate Upper Bolt: 10Nm, Lower Bolt: 6Nm - Torque Spec, Steer Tube: 5.5Nm
A Trail-Rated, carbon-bodied, 31.8mm stem for mountain bikers seeking best-in-class performance, response, and vibration absorption. The M6 stem is designed to complement the look and ride feel of the ENVE M5 and M6 handlebars. - Bar Clamp Diameter (mm): 31.8 mm - Material: Carbon - S.H.I.S. Stem Clamp Diameter: 28.6 - Stem angle: 0-degree
A 35mm clamp diameter, gravity-rated, carbon-bodied mountain stem built for aggressive riding and the muscular look of today’s carbon Enduro and All-Mountain bikes. The M7 stem is designed to complement the look and ride feel of ENVE M7 handlebars. - Material: Carbon - Faceplate material: Aluminum - Hardware material: Titanium - Clamp Diameter: 35mm - Steerer Clamp Diameter: 1-1/8-inch - Torque Spec: 5.5Nm - Weight: 85g (35mm), 92g (50mm), 99g (65mm)
When stiffness and weight are the top on your list, you want Ritchey's SuperLogic C-260 Carbon Stem. This revolutionary design starts with a bar clamp that wraps a full 260-degrees around the handlebar to distribute clamping stress evenly through the handlebar, faceplate, hardware and stem body. Ritchey's first full-carbon stem, the C-260 features high-modulus carbon for stellar strength-to-weight ratio that translates into a solid but forgiving ride. And, the steer tube clamp uses three bolts and a curved slot to reduce clamp stress on the steer tube, so you can run carbon bars and a carbon steerer with no problem.
Zipp's SL Speed stem represents the essence of carbon componentry. It's stiff, secure and light weight with a sleek design that compliments any bike. It's a perfect addition to a mountain climber's favorite feather-light road bike, but it's tough enough to tackle gravel and cyclocross. Designed using SRAM Exogram technology, found in SRAM RED cranks, the new SL Speed Stem weighs just 123g (100mm) while exceeding our stiffness-to-weight standards. The SL Speed is available in six sizes ranging from 70 to 120mm to meet any rider's fit needs. Includes stiff aluminum faceplate and titanium hardware Torx T25 heads for precise torque readings and ease of adjustment. - Updated distinctive Zipp cosmetics - Designed using SRAM Exogram technology - New SL Speed Stem weighs just 123g (100mm) - ±6° carbon stem - Secure with four bolt faceplace using Torx T25 bolt heads - Matte Black finish - Lifetime warranty - Zipp Quickview integrated mount available separately
The SL Sprint Stem is an ideal balance of stiffness and lightweight. The stem weighs in at just 1.8g per newton meter of stiffness using SRAM's Exogram technology. Designed with feedback from top pros to meet the unrelenting demands of Grand Tour sprinters. Zipp also tapped into expertise gained from its pioneering carbon stems and exhaustively researched the marketplace to create the SL Sprint Stem. The SL Sprint comes with its own stem cap that's designed to be aerodynamically efficient by blending into the stem body. Available in six sizes, ranging from 90 to 140mm, to meet any rider's fit needs. - Updated distinctive Zipp cosmetics - Carbon Exogram construction delivers the stiffest stem on the market gram for gram. - Secure with four bolt faceplace using Torx T25 bolt heads - Matte Black finish - Lifetime warranty - Zipp Quickview integrated computer mount available separately
The new ShockStop PRO Stem blends seamlessly with the aesthetic of modern bikes, while reducing fatigue and strain. Along with the ShockStop Suspension Seatpost, this system works together to suspend the rider and smooth out rough terrain on the bike you already own, making your ride smoother, faster, and more comfortable. Benefits: - Go further—reduce fatigue from bumps and vibrations - Ride faster—energy that is normally wasted suspending your body is converted into forward motion - Take control—customize your suspension feel to float over obstacles and maintain control over rough terrain - GPS and Utility Mounts sold separately Details: - Titanium Hardware - 15% Reduction in Weight over standard ShockStop - Refined premium finish - The ShockStop Stem in available in +/-6 degree angle with 80mm, 90mm, 100mm, 110mm, and 120mm lengths - Effective suspension travel: up to 20mm - Includes 5 swappable elastomers to fine tune your riding style - Check technical specs for compatibility What's in the Box: - 1 x ShockStop PRO Stem - 5 x swappable elastomers (2 pre-installed, 3 additional in box) - All required hardware
- Full UD carbon construction stem - 4 bolt aluminum faceplate for added rigidity - Stainless steel hardware - Reversible +/-7° angle - 40mm stack height - 125g weight in 100mm length - ISO-Road safety certified
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)
You really can have it all-the new WCS C220 stem rivals the performance of the revolutionary C260 stem design, but it's quicker and easier to install and remove, thanks to a press-fit handlebar clamp interface and forward-facing hardware. First proven on the Ritchey TRAIL stem, the C220 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. This clamp design allows for a lighter faceplate and stem body with no sacrifice in strength or stiffness. The Carbon Matrix stem body is forged 7075 aluminum with a stiffness-enhancing carbon exoskeleton which makes this 12% stiffer than the WCS alloy C220 stem. Premium quality CRMO steel bolts are used throughout. - Material: 3D forged 7075, carbon encased body - 4 x 4mm coated CrMo steel forward-facing faceplate bolts - 2 x 4mm coated CrMo steel offset steer tube clamp bolts - 5Nm torque max on all hardware - Compatible with all 31.8mm bars - Press-fit clamp design installs and removes like a standard stem - Angle: 84/6 degree - Stack: 42mm - Steerer: 1-1/8" - Faceplate Width: 42mm - Matte UD carbon finish - 126g (110mm)
The Boxcar Stem from Paul Components is the perfect combination of stiffness, strength, and reasonable weight. All screws are high-strength stainless steel with the popular T25 head. Made in Chico, California with US-sourced 2024 aircraft alloy. - Stack height: 36mm - Weight: 155g (90mm)
Chromag's Ranger stem is carved by technical artists using futuristic robot machines for a strong, light, and elegant piece of heavy-duty bike ordnance. Starting at 140g, the Ranger is light yet extremely stiff for positive control at the front end. - CNC machined from premium alloy optimized for strength and fatigue resistance - As light as 140g - 0 degree rise, the way it should be - 31.8 bar clamp
Zipp's Service Course SL OS 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 - Wide range of sizes and angles. - Service Course SL OS stem made for 1-1/4" steerer tube bikes. Ships with shims for 1-1/8" steerer tubes - Zipp Quickview integrated computer mount available separately - Lifetime warranty
Zipp's Service Course SL-OS Stem provides lightweight strength and versatility to help you achieve the perfect riding position. At only 140 grams, the Service Course keeps your rig light while maintaining toughness for the long haul. Change the angle of the stem quickly and easily with the included shim that lets you tailor your comfort even more. And, the Service Course works with both 1 1/8-inch steerers and 1 1/4-inch. • Included shims allow the stem's rise to be adjusted to 4°, 6°, or 8° angles.
A 3D-forged, then precision-machined, lightweight, aluminum mountain bike stem in both 31.8mm and 35.0mm models rated for cross country, trail, all-mountain, enduro, and gravity applications. - Blind bolt holes and shaping - Cold-forged and precision-machined - No-gap face plate and clamp area - Stainless hardware
FSA ACR (Aerodynamic Cable Routing) Stems have a low-profile frontal area that is suitable for road and gravel riding. - Aerodynamic Cable Routing (ACR) - Low-profile frontal area - No rotation limit - Body and faceplate - 6061 T6 - Chromoly hardware - Specific frame and headset required - 31.8mm handlebar clamp diameter - 30mm fork clamp stack height - Compatible with: K-Force Light ACR Compact, SL-K ACR Compact, Energy ACR Compact, K-Wing AGX and K-Wing AGX handlebars
An oversized 35mm stem that is lightweight and durable for the burliest mountain riders. Oversized and in control Equip your whip with this 35mm Line Pro stem and give yourself the oversized advantage. Forged from 6061-T6 3D aluminum, this finely finished stem provides the increased strength of the latest mountain-specific bar diameter at the lightest weight possible. Product details - Pro-level quality stem in oversized 35mm clamp diameter for increased strength and minimal weight - Forged from 6061-T6 3D aluminum - Laser etched calibration marks make dialing in the perfect angle simple and repeatable - Compatible with both Knock Block and standard headsets and spacers - Knock Block system protects the frame from impacts by fork and handlebars by eliminating over-rotation of bars - High-strength corrosion-resistant steel bolts ensure the freshest look for longer - Available in a wide range of sizes for today's mountain rider - Safe for carbon bars
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
BMX riders need tough components, which is why Thomson developed their BMX Stem. It can handle whatever you can dish out thanks to being constructed from a solid bar of 7000-series aluminum. Plus it's anodized to prevent corrosion and has tough heat-treated bolts. You'll also appreciate the 50mm-wide clamp for a super-secure handlebar and enhanced control, while Thomson's patented undercut around the bars provides even more stability. And, if you run a Gyro, Thomson's got you covered, too, thanks to the built-in spacer that eliminates the need for a separate, loose spacer. And, at only 255 grams, the BMX stem keeps your rig light for the toughest tricks and longest rail rides.
$99.95 - $114.95
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.
- 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
Zipp's Service Course SL Stem provides strength and reliability at just 120 grams. Forged of 7075 aluminum with titanium bolts, the SL is stiff enough to harness the power of your burliest sprints and withstand the jarring forces of the meanest potholes. It keeps the front end completely rigid, providing control no matter the condition.
$99.99 - $109.99
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
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
RaceFace designed their Atlas 35 stem to reduce overall system weight while retaining the proven stiffness and performance the Atlas line is known for. The stem itself is measurably stiffer than the 31.8mm offering and, although the system is a seemingly burlier build, the weight savings gained by the reduction in bar material actually makes the 35 system lighter overall. An impressively light, strong addition to your aggressive trail or DH/FR build. - Four-bolt bar clamp holds bar securely in position - Interlocking U-Shaped Handlebar Clamp Geometry - Faceplate eliminates stress risers which cause your bar to bend or break - Opposing bolts on steer tube clamp provides extreme clamping power while reducing stress on the steer tube - Stack Height: 40mm
The RaceFace Atlas 35 direct mount stem is an all new 2-piece direct mount design. Super lightweight, low profile design with flush mount bolts and 5mm spacers kit to let you dial in your perfect set up. - Machined from 2014 Aluminium - Weight-saving single bolt faceplate
The RaceFace Atlas is designed to bridge the needs of AM and FR/DH riders: light enough for AM, tough enough for FR and DH, providing the ultimate in versatility. - Four bolt bar clamp holds bar securely in position - Interlocking U-Shaped Handlebar Clamp Geometry - Faceplate eliminates stress risers which cause your bar to bend or break - Opposing bolts on steer tube clamp provides extreme clamping power while reducing stress on the steer tube - Stack Height: 40mm
- 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
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