Stems

- 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 - Recommended for: ASTM 5, All mountain, enduro, trail, free ride, DJ, E-Bike

- 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

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)

High rise design with STC (Shark Tooth Clamping) inside the stem to help grip the bars. Central bore for reduced weight, unique side pocket detail. - 6061-T6 alloy - Bar Clamp Diameter (mm): 22.2 - Steerer Clamp Diameter: 1-1/8-inch - Weight (oz): 10.61 - Stem Type: Front Load

Every Profile Design product is perfectly optimized to minimize aerodynamic drag. So, it's no surprise that Profile's Aeria Stem has hidden bolts and a low profile faceplate to smooth oncoming air. The sculpted shape is constructed from strong, lightweight forged aluminum, and the 17-degree drop ensures an aerodynamic fit on your time trial or triathlon bike.

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 Logic stem is clean and simple featuring "Shark Tooth Clamping" knurling to ensure your bars never slip. - Stem Type: Front Load - Bar Clamp Diameter (mm): 22.2

- Compatible with Giant's proprietary Overdrive Aero steerer tube - Ultra-light carbon composite reduces weight while optimizing the aerodynamic shape - Integrated aero shape achieves maximum stiffness while attaining low weight - Simplified cable management hides all the cables underneath the stem - Weight (g)133/138/143/148/153/158/163/168 - Length (mm)80/90/100/110/120/130/140 - Angle±10° - Bar Clamp Dia. (mm)31.8 - Stack Height (mm)40

eeSilk Stem is a fatigue-reducing compliance stem that noticeably reduces vibrations on variable surfaces. With up to 20mm of tunable compliance, an easy single bolt external elastomer change and a soft/firm compliance switch – the eeSilk Stem makes any road, no matter the terrain, smoother. - Weight: 225g - 235g - Angle: -6° (only) - Stack Height: 49mm - Stem Clamp: 31.8mm

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

Waste not, want KNØT. Part of the KNØT SystemBar, this aluminum stem helps save six watts over a traditional round handlebar. Not only that, you can adjust the bar position. Have cake. Eat cake. Where it thrives: The open road, up and down hills What it's built for: Aerodynamics, control Highlights: - One-piece looks, two-piece function - Wind tunnel proven, hides cables - Compatible with 2019+SuperSix EVO

System = speed. Paired with the SAVE or KNØT SystemBar, you end up with the speed and good looks of a one-piece system with the adjustability of a two-piece. Where it thrives: The open road, up and down hills What it's built for: Aerodynamics, efficiency Highlights: - Integrated computer mount - Compatible with most bicycles - One-piece looks, Two-piece function

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.

The eeSilk stem features up to 20mm of tunable compliance via a single bolt external elastomer change to choose between soft and firm modes for no matter where the ride takes you. For riders looking for a more streamlined and sleeker look. - Up to 20mm of compliance to smooth your ride and reduce fatigue - 49mm stack height - 31.8 Stem Clamp

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.

The Index frontload stem offers a taller 16mm rise, which allows you to run your bars as high as some topload stems, without having to compromise on the clean and simple frontload look. The wider 48mm faceplate helps provides secure and safe clamping, and the sunken section on the top allows you to run your topcap flush with the stem. This is one smooth stem that might just surprise you... - Material: 6061-T6 alloy, full CNC machined - Steertube: 1 1/8“ threadless clamp-on - Weight: 330g (11.65oz)

Built strong to take on the world’s toughest trails, Descendant stems keep you pointed in the right direction. - Direct mount stem gives DH riders lower more aggressive position - Super-stiff, stable front-end handling - Lightweight - Two-piece design - Designed to pair with BoXXer fork

The Stacked stem features a taller 6061-T6 construction. - CNC machined logo

- Micro Grain Refined (MGR) alloy - 5mm headset spacer included - 2D forged MGR alloy - CNC weight optimized - Shotpeen anodized - Key technologies: MGR, chamfered bar clamp - Material: 2D Forged MGR Alloy,CNC Weight Optimized - Length (mm) : 35 / 50 - Rise : 0 Degree - Diameter (mm): 31.8 - Stack height (mm): 35 - Weight (g): 150 (35mm) / 180 (50mm) - Finish: Shot peen anodized, laser logos

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

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

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 Cavity stem was developed with pain staking focus on strength, function and attention to detail. Tapered body for cleaner lines and weight reduction, multiple internal and external machining processes to reduce every gram possible and chamfered edges throughout for stunning detail.

- 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

- Adjustable stem to fit RideDash EVO display - Ahead style

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

Introducing the Onyx stem. Using cold forging technology rather than CNC machining, this stem has an incredibly smooth and unique shape but also strength advantages over a traditional CNC machined stem. - Cold-forged deisgn for strength, asthetics and value - Weight saving internal machining - STC (Shark Tooth Clamping) for increased grip - Steerer Clamp Diameter: 1-1/8" ins - Weight (oz): 11.15 - Stem Type: Top Load

The new Trail stem is forged and CNC-machined to meet the demands of today's trail riding with a sublime stiffness-to-weight ratio. - 3D-forged and CNC-machined 6061 alloy construction - 4-bolt oversized 31.8mm handlebar interface with relieved faceplate - Compatible with carbon composite handlebars

Fully integrated. A convenient mount on the stem securely holds SP-Connect compatible smartphone cases and adhesive mounts to put all of your data in an optimal position. Where it thrives: The open road, leisurely rides, in town What it's built for: Compatibility, durability Highlights: - Compatible with SP Connect smartphone cases and adhesive mounts - Integrated mount - Range of sizes

The workhorse. Whether you're upgrading your stock parts or looking for something a bit more eye catching, the alloy ONE stem delivers. Where it thrives: The open road, gravel roads, up and down hills What it's built for: Agility, control Highlights: - Lightweight aluminum construction - Wide range of sizes - Eye-catching and sleek design