Stems

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

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

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

STC (Shark Tooth Clamping) inside the stem to help grip the bars, 48mm wide faceplate with central bore for reduced weight, unique side pocket detail. - 6061-T6 alloy - STC (Shark Tooth Clamping) inside the stem to help grip the bars - Bar Clamp Diameter (mm): 22.2 - Steerer Clamp Diameter: 1-1/8-inch - Weight (oz): 10.8 - Stem Type: Top Load

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

- 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

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

Salt Plus Manta stem. - Bar Clamp Diameter (mm): 22.2 - Steerer Clamp Diameter: 1-1/8" ins - Stem Type: Top Load

FSA's Omega line is the perfect workhorse component group for the sport rider who wants race-winning technology and durability along with classic good looks. - 3D-forged and CNC-machined from AL6061/T6 - 4-bolt cold-forged face plate - Chromoly hardware - ±6° - 31.8mm handlebar clamp diameter - 35mm fork clamp stack height - 127 grams (100mm)

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

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

There’s something about 7/8" (aka 22.2mm) handlebars that seem to attract the most abusive riders out there, so we’ve taken our popular Boxcar stem and beefed it up even further! We already use 2024 alloy for all of our boxcar stems, as it has a higher fatigue and yield strength than 6061. We made sure the clamp was extra thick on this version and even added 2 more high-strength stainless faceplate screws. Is it overkill? Definitely. You’d have to run this thing over in a tank to damage it, but we’re pretty sure this will be the last 7/8" stem you’ll ever have to buy. - Machined in sunny Chico, California - 6 bolt faceplate (stainless T25 bolts) - 7/8" (22.2mm) bar clamp - Stack height: 36mm - 180g

- 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

The Eternal stem impresses with its uniquely filigree, yet wide and aggressive look, as well as its technical values. Made from high-strength aircraft-grade aluminum, it's made to last. With a clamping width of 55 mm, the Eternal ensures optimal rigidity in the cockpit, but is still compatible with almost all carbon handlebars. Due to the length of 35 mm, your steering movements are transmitted directly. Includes: Eternal Stem 35mm Oak Components ahead cap Stem Bolts in Silver & Black (6 pcs each) Silver ahead cap screw Signature Oak stickers User manual Specifications: Handlebar clamp: 35 mm Stem Length: 35mm Weight: 144 g (without top cap) Handlebar clamping width: 55 mm Clamp height steerer tube: 39.2 mm Weight approval: 130 kg ASTM tested: Category 6

- Highly weight optimized single crown stem for use with 35mm handlebars - 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 - Recommended for: ASTM 5, All mountain, enduro, trail, free ride, E-Bike Specs: - Key Technologies: MGR Alloy, chamfered bar clamp, top-cap included - Material: 6-Series Alloy, 3D forged CNC optimized body - Rise (°): 0 - Diameter: 35mm - Stack height: 34mm - Weight: ±131g (35mm) / ±136g (40mm) ±139g (45mm) ±141g (50mm) - Finish: Shotpeen anodized

Lightweight and durable 2D forged-alloy stem. - Removable faceplate for easy bar installation - 4-bolt clamp for optimal handlebar support - High rise for improved riding comfort - 35 degree rise

Lightweight and durable forged alloy stem. - Removable faceplate for easy bar installation - 30 degree rise - Fits 25.4mm handlebars

Reduced weight and improved looks over traditional adjustable stems. - Provides 6 different angles by using the supplied shims and flipping the stem (+16, +12, +8, -8, -12, -16) - 172g 100mm length with one shim and top cap - Stylish bead blast black finish - 1-1/8 steerer, 31.8mm bar clamp

3D forged 6061-T6 Aluminum. - Excellent value and performance - A great way to try a few different stems - Suitable for Road or XC MTB - Sand-blasted black finish - + / - 7 degree - 1-1/8" steerer, 31.8 mm bar clamp

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

Mix and Match might work for clothing, but not your mountain bike cockpit. The new Descendant stem is 3D forged from 7075 alloy, then machined for weight reduction, and is the perfect match for your Descendant bars—not that you’re worried about that kind of thing. Built strong, to take on the world’s toughest trails, Descendant stems keep you pointed in the right direction. - Colors: Black - Material: Al-7075 - Lengths: 40mm, 50mm, 60mm - Bolts: Steel - CNC machined for weight reduction - Four bolt handlebar clamp - Two bolt steerer clamp

A lightweight alloy stem with a flush mount top cap and seamless cable routing offer a fully integrated and elegant aesthetic. Integrated elegance The RCS Pro Blendr Stem is a sleek alloy stem offering all of the performance you crave, with looks to match. Specifically designed for use with model year 2023 Domane SL, SLR, and RSL bikes, this stem fits seamlessly with the headset top cap to provide ultimate integrated elegance. A flush mount top cap, under-stem cable routing cover, and Blendr compatibility further add beauty and sophistication. Product details - Lightweight 7075 alloy construction - High-quality M5 corrosion-resistant face plate bolts with 5.2Nm torque spec - Cable routing cover keeps up to six cables and wires tidy under stem - Included Blendr Duo Base makes it easy to integrate accessories - Blendr accessory mounts sold separately - Compatible with model year 2023 Domane SL, SLR, RSL bikes

The Afterburner MTB Stem is 3-D forged and CNC machined from AL6061/T6. You have the option to run this stem at a + or – 6-degrees to suit your racing style. - 3D forged and CNC machined from AL6061/T9 - 4-bolt cold forged front clamp - 40mm clamp stack height - Weight: 149g

Lightweight and strong forged alloy stem. - Adjustable between 0 and +60 - Removable face plate for easy installation. - 180mm quill length.

It’s low-slung, stiff, aggressive and serves up support and control the way a direct mount stem should. The Descendant direct mount stem may have been designed to attack the race clock, but it was built tough, to take on whatever comes next. No matter where you take it, this Descendant stem will keep you pointed where you want to go. - Pair with BoXXer fork - Gives DH riders lower more aggressive position - Super-stiff, stable front-end handling - Lightweight - Two-piece design

Built strong to take on the world's toughest trails, Descendant stems keep you pointed in the right direction. - Bar Clamp Diameter (mm): 31.8 mm - Material: Aluminum - S.H.I.S. Stem Clamp Diameter: 28.6

Entirely manufactured in the UK, this brand new stem combines precision engineering, function-led form and our trademark commitment to sustainability. Custom-made stainless steel bolts ensure that the no-gap face plate is perfectly aligned; critical in protecting the handlebar and delivering strong, consistent clamping force. Machined in our factory in the south of England. The VFS Stem body and face plate is made from UK-sourced aluminium that has a minimum of 75% recycled content, making this the most environmentally-friendly stem on the market. Specifications: - Stem: 75% recycled aluminium manufactured by PEMBREE - Bolts: Custom UK-made stainless steel, manufactured by Precision Products - Environment: Carbon Neutral - Length: 35mm - Handlebar: 35mm - Rise: 0 degree - Weight: 148g - Warranty: 5 Years - Certification: EFBE Tri-Test Certified

After a delay, the king is back. We've updated the NSB Overlord stem to accommodate 35mm diameter handlebars. A wider clamp area and refined shape improve strength while retaining what we feel are the correct proportions. Still, light enough to pedal all day and strong enough to tackle full days in the Whistler Bike Park. The 35mm diameter stem is available in 35mm and 40mm lengths and will be available in all colors for the smaller Overlord. Specifications: - Clamp Size: 35mm handlebar - Fork Steerer Tube: 1 1/8? - Rise: 0-degree - Stack Height: 38mm - Hardware: 8.8 Grade Gold Zinc plated M6 bolts - Precision CNC Machined in Whistler, B.C. Weight: 35mm – 190g 40mm – 196g