Stems

A new breed of champion is born. The WCS Carbon Solostreem features a classic bend, UCI-compliant aero top section with short/shallow classic drop, integrated mount ready for K-Edge or similar devices, and underside grooved cable routing for a sleek appearance. It enjoys a matte UD carbon finish and its curved stem clamp greatly reduces steerer stress. - Material: Carbon monocoque with forged alloy steerer clamp - Stem Angle: 84 -degree - Drop/Reach: 126/75mm(Measured center-to-center where the levers mount) - Sweep/Flare: 4.7/1-degree - Features mounting holes for computer/accessory mount - Matte UD carbon finish - Weight: 350g (42cm x 100mm)

Parlee’s carbon stem is a masterpiece of strength, beauty and performance. It utilizes a 35mm bar clamp diameter that offers sharp steering precision while the two-part face plate is forged for longevity. Titanium bolts are mated to replaceable aluminum inserts throughout, protecting your investment from cross threading and other mechanical damage. - Weight: 125g

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. - Material: Carbon - Faceplate material: Aluminum - Hardware material: Titanium - Clamp Diameter: 31.8mm - Steerer Clamp Diameter: 1-1/8-inch - Torque Spec: 5.5Nm - Weight: 85g (40mm), 92g (55mm), 99g (70mm), 104g (85mm)

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.

Ritchey's first full-carbon stem was designed to meet the needs of high-wattage European Classics specialists. The Carbon C260 adds to the amazing strength-to-weight ratio of our C260 alloy and Carbon Matrix stems through the use of high modulus carbon fiber, increased boom diameter, and a wider clamp. Gram-for-gram, this is the lightest, stiffest full carbon stem on the market, making it the most advanced Ritchey stem ever. - C260 bar clamp creates a larger stem-to-bar interface, drastically reducing bolt stress - 4 x T-20 faceplate bolts and patented 260-degree bar clamp design reduces weight, increases stiffness, and distributes stress more evenly - 3 x T-20 steer tube bolts and curved clamp slot reduces weight and steer tube stress - Fits most road and mountain bars - Material: Carbon with 2014 alloy faceplate - Length: 90mm - Angle: 84/6 degree - Stack: 42mm - Faceplate width: 42mm - Steerer: 1-1/8" - 125g (110mm)

The ENVE Road Stem is a staple component in our line and often under-appreciated for the benefits it provides out on the road. The stem plays a key role by connecting your bike to your handlebars and it must manage all the forces that you put into your bike. On the road, the 100% uni-directional carbon body provides a lightweight structure that is torsionally and laterally stiff to ensure that inputs into steering and accelerating are positive and confidence-inspiring. Over rough roads, the carbon fiber laminate helps absorb vibration and reduce hand and upper body fatigue. To further reduce weight, all stem hardware is constructed from lightweight titanium. The faceplate is cold-forged aluminum that allows for a highly reliable and strong grip on the handlebar for responsive steering input with zero slipping. - Material: Carbon Fiber - Faceplate Material: Aluminum - Hardware Material: Titanium - Stack Height: 41mm - Torque Spec, Face Plate: 5.5Nm - Torque Spec, Steer Tube: 5.5Nm - Weight: 90g (80mm), 107g (90mm), 115g (100mm), 121g (110mm), 126g (120mm), 136g (130mm), 145g (140mm)

Zipp’s SL Speed stem represents the essence of carbon componentry. It’s stiff, secure, and lightweight with a sleek design that complements 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. - Includes stiff aluminum faceplate and titanium hardware - Torx T25 heads for precise torque readings and ease of adjustment - Stack height: 41mm

Just as cyclists maximize performance by being as light, but as powerful as possible, Zipp's SL Sprint Stem strikes the ideal balance of stiffness and lightweight to deliver responsive handling without wasting a single watt. - Unidirectional carbon - The SL Sprint comes with its own stem cap that’s designed to be aerodynamically efficient by blending into the stem body - Includes stiff aluminum faceplate and stainless steel hardware with TORX heads on all bolts for precision torque readings and ease of adjustment - Black matte carbon finish with white Zipp logos

Bolt Easton's EC90 SL Stem to your road bike and watch the grams disappear. This ultra-light carbon beauty sports Easton's TaperWall technology to provide the perfect balance of low weight, high strength and stiffness for excellent steering control in all conditions. Plus, Easton's Top Lock and Distributed Stress technologies lock the stem and faceplate together, allowing for a highly rigid interface while minimizing loads on the bolts, making the EC90 SL perfectly safe for carbon bars. What's more, the EC90 SL uses titanium hardware to keep weight to an absolute minimum.

- 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)

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 31.8 bars - Press-fit clamp design installs and removes like a standard stem - Angle: 84/6 degree - Steerer Height: 42mm - Steerer: 1-1/8” - Faceplate Width: 42mm - Matte UD carbon finish - 126g (110mm)

Your stem may seem inconsequential, but it is the point of transfer between your skilled handling and the bike itself. An impressive refinement of our popular top level Easton alloy stem, the 2019 EA90 stems have an larger boom diameter for increased stiffness and, by utilizing our highest quality alloys, we were able to remove excess material for even more weight savings. We’ve also created a custom computer mount (included with EA90 stems and sold separately) that is compatible with all ICM faceplate stems for cleaner lines and improved aerodynamics. With lengths ranging from 70mm to 130mm, we can accommodate fits for all sizes of frames and riders. We shaved our new EA90 down to 120 grams for a 100mm stem and, with weights like these, we surpass much of the alloy and carbon competition in the market, while giving you the durability, confidence and control you expect from Easton. - Finish: Black Ano - Weight: 120g (100mm) - Rise: +/- 7-deg - Clamp diameter: 31.8mm - Steerer: 1 1/8-inch - Length: 70mm, 80mm, 90mm, 100mm, 120mm - Materials: EA90 alloy - Tech: ICM compatible (faceplate mount included), Top Lock, Taperwall

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

Chromag's BZA 35 stem is strong, light, and burly. Featuring a 35mm bar/stem interface and weighing a perfect 165 grams this stem is light yet extremely stiff for positive control. - CNC profiling - Weight: 165g (50mm length)

Chromag's freshly carved 35mm clamp direct mount BZA stem sets a new standard for exquisite machining detail. Lightweight and solid, with a wide clamping stance, the three-piece design weighs in at a slim 160 grams. Chromag's direct mount stems feature a one-piece main body for consistent placement and overall stiffness. - Boxxer / Fox / 888 direct mount system - 85mm wide clamping stance - Laterally stiff one-piece main body

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)

The Hope AM/Freeride Stem is light, stiff, and provides pin-point steering. It's proudly CNC'd in the UK from solid billet 2014-T6 and features opposing steerer and moto-style handlebar clamp for exceptionally rigid steering characteristics. - 10.9 DIN chromoly bolts - Weight: 135g

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.

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

- High strength and ultra-low weight combined with a low 40mm stack height make for a great all around stem - Stem is horizontally divided and machined in two pieces, enabling weight to be reduced to the absolute minimum without compromising strength

The Syntace Flatforce stem utilizes a 12mm drop for all length options, allowing riders to keep their MTB handlebars in a lower riding position. - 200° clamp face increases handlebar strength and fatigue life - 42mm wide bar clamp for increased handlebar support - Super-low handlebar position solution for unique fit requirements - Sabertooth bar clamp design insures no bolts or clamping surfaces protrude - Stack Height: 27mm

Strong, light and elegant. Chromag's longest running stem, the Ranger, has a refined body shape that represents their own advancement in 3D modelling and CNC profiling. The Ranger is stronger and stiffer for today’s increased demands with blended body features to increase performance with a more fluid look. The Ranger evolves with the same physical fundamentals, more flow, and increased strength. Starting at 140g, the Ranger is light yet extremely stiff for positive control at the front end.

Stems need to be light, simple, and rock solid. Fizik checked all the boxes with their Cyrano R1 Stem. The Cyrano stem forms an integral part of Fizik's Spine Concept fitting technology. A four-bolt face plate provides excellent torsional stiffness, and the choice of lengths and angles ensures that your perfect fit is out there.

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.

For 56 years, 3T products have offered a combination of Italian elegance and performance. The Apto once again combines both with a beautiful shape and a lightweight, stiff and strong structure. The reversed bolts clean up the faceplate, while their wide spacing increases the connection to the handlebars. Its double steerer bolts (Titanium in case of the TEAM version) securely hold the stem in place.

Renthal's revolutionary Integra 35 stem combines high strength with ultra-low weight. The use of two independent, C-shape handlebar clamps allows the stem body material to be reduced to a minimum, while maintaining an incredibly stiff and strong structure. The ultra-wide, 64mm handlebar clamping area increases torsional rigidity and the use of just six bolts vastly reduces overall weight. In addition, the uninterrupted clamp on the underside of the handlebar eliminates stress risers found on most other clamps, which can lead to handlebar failure.