Stems

A stem may not seem like the most exciting bike part, but it's in our DNA to care about it in great detail. After all, no other part has such a dramatic effect on your riding position and thus your speed, comfort, and enjoyment. With the APTO, 60 years of innovation and elegance in 3T stem design comes together in a moving sculpture. Steerer Clamp: Double bolts hold the steerer securely and provide redundancy for extra safety. Reverse Faceplate Bolts: These clean up the faceplate for a more elegant design, particularly in combination with our new drop bars. Classic Rubber Logo: The 3D rubber logo is a nod to the iconic 3T stems of yesteryear. - Material: Alloy 6061 - Steerer diameter: 28.6mm (1 1/8") - Handlebar diameter: 31.8mm - Key size: 4mm Allen key - Steerer bolt torque: 5Nm - Faceplate bolt torque: 5Nm

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

Lightweight and durable 2D forged alloy stem. - Removable faceplate for easy bar installation - 4-bolt clamp for optimal handlebar support - 7 degree rise

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

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

3D forged 6061-T6 Aluminum. - Excellent value and performance - A great way to try a few different stem lengths to dial in fit - Sand-blasted black finish - 0 degree - 1-1/8" steerer, 31.8mm bar clamp - 135 grams (55mm)

3D Forged 6061-T6 alloy. - Strong, stiff and light - Rugged design can handle the demands of today's All-Mountain rider - Low stack height - 31.8 Bar clamp, 0 rise - 150g (45mm length)

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

An oversized 35mm clamp diameter stem suitable for all disciplines of mountain biking. Oversized strength The Elite 35 stem is the perfect addition to any mountain bikers' cockpit. Forged from lightweight 6061-T6 3D aluminum, the oversized 35mm design offers increased strength and a lighter overall bar and stem system. Product details - Oversized 35mm clamp diameter offers increased strength and minimal weight - 6061-T6 3D forged aluminum construction - Laser-etched calibration marks make dialing in the perfect angle simple and repeatable - Compatible with both Knock Block and standard headsets and spacers - High-strength, corrosion-resistant steel bolts - Approved for use with carbon handlebars

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

Oversized diameter 35 mm stem accessible to all mountain riders. Oversized and in control Equip your whip with this 35mm Line stem and give yourself the oversized advantage. Forged from 6061-T6 3D aluminum, this 0-degree stem provides the increased strength of the latest mountain-specific bar diameter. Product details - Oversized 35mm clamp diameter provides a new level of strength and weight savings - 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 - Available in a wide range of sizes for today's mountain rider - Safe for carbon bars

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;

The perfect fit The Bontrager Elite Blendr Stem provides easy solutions for accessory integration. This alloy stem is light and strong, and it gives you endless options to integrate lights, a computer and more with Blendr accessory integration. Product details - Blendr Elite allows seamless accessory integration - 4-bolt dual band clamp retains stiffness and reduces weight - Opposing 2-bolt steerer tube clamp - Uses M5 countersunk, corrosion-resistant steel bolts with 5.2Nm torque spec - Approved for carbon bars and steerer tubes - Suitable for both MTB or road use - Includes Blendr mono base and accessory mounts

The Bontrager Elite Blendr Stem provides easy solutions for accessory integration. This alloy stem is light and strong, and it gives you endless options to integrate lights, a computer, and more with Blendr Elite accessory integration. - Seamless accessory integration with Blendr Elite - 6061-T6, 3D, forged alloy construction - 4-bolt dual band clamp retains stiffness and reduces weight - Opposing 2-bolt steerer tube clamp - Uses M5 countersunk, corrosion-resistant steel bolts with 5.2Nm torque spec - Approved for carbon bars and steerer tubes - Includes one Blendr base to integrate Ion lights and Trip computers

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

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

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

An integrated handlebar/stem that delivers aesthetically pleasing performance in a lightweight package. Lust worthy looks, elevated performance Elevate your ride and upgrade to the Bontrager RSL MTB Handlebar/Stem for a super-clean one-piece carbon combo. This OCLV Carbon bar sets the benchmark for lightweight durability, and with Blendr allowing seamless integration of electronics, your cockpit has never looked or performed better. RSL MTB Handlebar/Stem is compatible with both Knock Block and standard type headsets, so there's no excuse not to make the switch to this drool-worthy performance piece. Product details - OCLV Carbon construction is the benchmark for durability and light weight - Compatibility with Knock Block and standard headset types (adapter included) - Seamless accessory integration with Blendr (mounts sold separately) - Shifter and brake lever position lines for spot-on control setup - 40mm trim lines allow for a personalized fit - Titanium hardware is lightweight and long-lasting

The Bontrager XXX Integrated Handlebar/Stem is a one-piece carbon bar/stem combo that brings clean looks and light weight to any road bike. Lightweight 100% OCLV Carbon construction offers a great road feel and control, while calibration marks and a flat front surface ensure easy lever installation. - Seamless accessory integration with Blendr - Flat surface front of bar for clean cable routing - Calibration marks allow precise, accurate and repeatable brake lever position - Variable radius, compact flare (VR-CF) shape offers wrist clearance in the drops - 100% OCLV Carbon construction - Internal relief channel eliminates need for additional spacer above stem - Safe for use with carbon and alloy steerer tubes

The Bontrager XXX Integrated Handlebar/Stem is a one-piece carbon bar/stem combo that brings clean looks and light weight to any road bike. Lightweight 100% OCLV Carbon construction offers a great road feel and control, while calibration marks and a flat front surface ensure easy lever installation. Features Di2 compatible ports for clean internal wire routing when integrated with Shimano EW-RS910 bar-mounted Di2 junction. Product details - Seamless accessory integration with Blendr - Flat surface front of bar for clean cable routing - Calibration marks allow precise, accurate and repeatable brake lever position - Variable radius, compact flare (VR-CF) shape offers wrist clearance in the drops - 100% OCLV Carbon construction - Internal relief channel eliminates need for additional spacer above stem - Safe for use with carbon and alloy steerer tubes - Compatible with Shimano EW-RS910 bar end Junction-A for cleaner Di2 routing

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

Designed for use with Cannondale's Headshok (sold separately), the Headshok Stem is tough, light, and ready to ride. - Sleek styling with maximum strength and stiffness - Forged from a single block of lightweight 2024 aluminum with our patented OPI 3D forging process, these stems are exceptionally light and strong - 31.8mm clamp interface - Weight: 185 grams (100mm length)

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

Descend with confidence. The perfect match for any trail or enduro bike paired with the HollowGram SAVE Riser 35mm handlebar for increased descending prowess. Where it thrives: Challenging trails, down hills What it's built for: Control, confidence Highlights: - 35mm clamp size - 37mm length - 0° degrees rise

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

Chromag's HiFi stem is light and extremely strong for the ultimate control and performance. The HiFi features a blended shape thanks to 3D forging. Chromag contours every surface for human contact and structural optimization. - 3D forging - 200 grams - Low stack height

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.

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.

Inspired by the sleek and deadly lines of a Copperhead snake, the sweeping center channels of the Copperhead stem wrap around the entire stem to minimize material while delivering the a stong steerer mounted stem. DEITY's focus on durability and dedication to the symmetry between strength and weight is showcased in the balance of style and function that is the Copperhead stem. - Designed for all applications from All MTN to Slopestyle and anything in between - CNC Machined from a solid block of 6061 T6 Aluminum - Exceptionally detailed chamfered edges and channels throughout - 55mm wide clamping platform

Inspired by the sleek and deadly lines of a Copperhead snake, the sweeping center channels of the Copperhead stem wrap around the entire stem to minimize material while delivering the a stong steerer mounted stem. DEITY's focus on durability and dedication to the symmetry between strength and weight is showcased in the balance of style and function that is the Copperhead stem. - Designed for all applications from All MTN to Slopestyle and anything in between - CNC Machined from a solid block of 6061 T6 Aluminum - Exceptionally detailed chamfered edges and channels throughout - 55mm wide clamping platform

Inspired by the sleek and deadly lines of a Copperhead snake, the sweeping center channels of the Copperhead stem wrap around the entire stem to minimize material while delivering the a stong steerer mounted stem. DEITY's focus on durability and dedication to the symmetry between strength and weight is showcased in the balance of style and function that is the Copperhead stem. - Designed for all applications from All MTN to Slopestyle and anything in between - CNC Machined from a solid block of 6061 T6 Aluminum - Exceptionally detailed chamfered edges and channels throughout - 55mm wide clamping platform

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.

- AL 6066-T6 3D forged alloy construction - Fits 1-1/8 (28.6mm) steerer forks - Fits 31.8mm handlebar clamp - +/- 6 degree angle - Heat treated hardware - Stack height: 41.8mm

- 3D forged alloy construction - Fits 1-1/8-inch (28.6mm) steerer forks - Fits 31.8mm handlebar clamp - Heat treated hardware - Weight: 152g (100mm)

- 3D forged alloy construction - Fits 1-1/8-inch (28.6mm) steerer forks - Fits 25.4mm handlebar clamp - M6 Black hardware - Weight: 161g (110mm)

- 3D forged alloy construction - Fits 1-1/8 (28.6mm) steerer forks - Fits 25.4mm handlebar clamp - M6 Black hardware - Weight: 161g (110mm)

- 3D forged alloy construction - Fits 1-1/8 (28.6mm) steerer forks - Fits 31.8mm handlebar clamp - Heat treated hardware - Weight: 152g (100mm)

- Forged alloy construction - Adjusts from 0 to +/- 60° - 31.8mm, shims included to fit 25.4mm handlebar

- Lightweight aluminum construction - Adjusts from 0° to 60° - 25.4mm handlebar clamp - 475g

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)

- 3D forged 6061 aluminum alloy body with oversize box cross-section - 46mm wide 6061 alloy faceplate - Steel hardware - Not OD2, regular 1-1/8"

- 3D forged 2014 aluminum alloy with oversized box cross-section - Oversize 46mm wide 6061 alloy faceplate - Steel hardware - 1-1/8" steerer adapter included

- 3D forged 2014 aluminum alloy with oversized box cross-section - Oversize 46mm wide 6061 alloy faceplate - Steel hardware - ± 8° rise requires fewer spacers - 1-1/8" steerer adapter included

Made for round 1 1/8 inch steerer tubes, the Contact AeroLight is a lightweight stem that offers easy-to-adjust integrated cable routing for drop or flat bar bikes. FEATURES: - Made for round 1 1/8 inch steerer tubes. - 31.8mm round clamp fits drop and flat handlebars. - Integrated aero design unifies the top cap, cables, and spacers with the head tube for improved aerodynamics. - Premium alloy design delivers maximum stiffness and is lightweight. - Easy cable management guides cables under the handlebar and into the side and underside of the stem for optimized aerodynamics and a clean look. - Available in eight lengths from 80mm to 140mm. SPECIFICATIONS: - Weight: 190g (100mm) - Length: 70/80/90/100/110/120/130/140mm - Angle: -10° - Bar Clamp Diameter: 31.8mm - Steerer Tube Clamp Diameter: Round, 1 1/8 inch - Stack Height: 40mm

- 3D forged, 6061 aluminum alloy body with oversize box cross-section - Oversized 52mm wide 6061 alloy faceplate - 35mm handlebar clamp diameter - Not OD2, regular 1-1/8"

- 3D forged 2014 aluminum alloy with oversized box cross-section - Oversized 46mm wide 6061 alloy faceplate - Titanium hardware - ± 8° rise requires fewer spacers - 1-1/8" steerer adapter included - Weight: 145 grams (100mm)

- Giant's advanced alloy manufacturing process for a 35mm clamp diameter with maximized strength at minimal weight. - Not OD2, regular 1-1/8".

- Adjustable stem to fit RideDash EVO display - Ahead style

Engineered exclusively for OverDrive Aero steerer tubes, the Contact SL AeroLight stem is a lightweight and stiff alloy stem featuring easy-to-install cable integration for optimal aerodynamics and a clean look. FEATURES: - Made for OverDrive Aero steerer tubes only. - Integrated aero silhouette unites the stem cap, spacers, and head tube for aerodynamic advantage. - Ultra-light alloy design delivers maximum stiffness at a super lightweight. - Easy cable management guides all cables under and inside for optimized aerodynamics and a clean look. - Fits current generation Contact Aero or Contact D-Fuse handlebars. - Available in eight lengths from 80mm to 140mm. SPECIFICATIONS: - Weight:161g (100mm) - Length: 70/80/90/100/110/120/130/140mm - Angle: -10° - Bar Clamp Diameter: 31.8mm - Steerer Tube Clamp Diameter: D-shaped OverDrive Aero, 1 1/4 inch - Stack Height: 40mm

Featuring purpose-engineered shaping, Giant’s all-new aluminum Contact SL stem is stiff, strong and ultra-light. Available in 0° and ±10°angles and eight lengths from 70 to 140mm brings superior performance to a wide range of riders. VERSATILE FIT Available in eight sizes, ranging from 70mm to 140mm, and 2 angles (±0°/ ±10°), the Contact SL stem is perfect for any ride experience. - Super stiff, ultra-light aluminum - Compatible with all Giant OD1 and OD2 steer tubes - Integrated silhouette from stem to cone spacers - Compatible with Giant's Contact SLR/SL computer mount

- Proprietary engineering for the D-shaped steer of new generation Giant Propel - Alloy construction - Integrated aero shape from stem cap spacers to the headtube - Rounded front cap shape which connect the handlebar for improving the airflow from side angle - Square-engineered shaping achieves maximum stiffness and low weight - Simplified cable management hides all the cables underneath the stem

ULTIMATE PERFORMANCE Featuring purpose-engineered shaping, Giant’s all-new Contact SLR Stem is stiff, strong and ultra-light. Available in ±10° and ±20° angles and eight lengths from 70 to 140mm, the Contact SLR stem accommodates a wide range of riders and is the perfect complement to the TCR or any other high-performance road bike. STIFF AND LIGHT With purpose- engineered shaping, full-carbon Contact SLR stem offers maximum stiffness at minimum weight. Compared with the previous Contact SLR stem, the all-new Contact SLR road stem is 9% stiffer and 7% lighter. AERO INTEGRATION The integrated stem cap of the all-new Contact SLR stem ensures a smooth flow of air over the top of the stem while the specifically designed shape of the spacers offers seamless integration and air transition over the side of the stem. VERSATILE FIT Perfect for any elite rider, the Contact SLR road race stem is available in eight sizes, ranging from 70mm to 140mm, and 2 angles (±10°/ ±20°). FEATURES - Compatible with all Giant OD1 and OD2 head tubes sizes - Available in ±10° and ±20° angles - Available in eight lengths from 70 to 140mm - Purpose-engineered shaping achieves maximum stiffness and lowest weight - Integrated aero silhouette from stem cap to spacers

- Proprietary engineering for the D-shaped steer of new generation Giant Propel - Ultra-light carbon composite reduces weight while optimizing the aerodynamic shape - Integrated aero shape from stem cap spacers to the headtube - Rounded front cap shape which connect the handlebar for improving the airflow from side angle - Square-engineered shaping achieves maximum stiffness and low weight - Simplified cable management hides all the cables underneath the stem

Engineered exclusively for OverDrive Aero steerer tubes, the Contact SLR AeroLight is an ultralight and stiff composite stem that offers aero-enhancing integration, easy-to-adjust cable management, and sleek looks. FEATURES: - Works with OverDrive Aero steerer tubes only - Integrated aero design unifies the top cap, cables, and spacers with the head tube for improved aerodynamics - Ultra-light composite design delivers maximum stiffness at a superlight weight - Intuitive design guides all cables under and inside for optimized aerodynamics and sleek looks. - Fits current generation Contact Aero or Contact D-Fuse handlebars - Available in eight lengths from 80mm to 140mm SPECIFICATIONS - Weight: 123g (100mm) - Length: 70/80/90/100/110/120/130/140mm - Angle: -10° - Bar Clamp Diameter: 31.8mm - Steerer Tube Clamp Diameter: D-shaped OverDrive Aero, 1 1/4 inch - Stack Height: 44mm

Aero Design Stem - Handlebar Diameter: 31.8mm - Steerer Tube: 28.6mm - Stem Material: Carbon

LOOK Design Stem - Handlebar Diameter: 31.8mm - Steerer Tube: 28.6mm - Stem Material: Carbon

the Pro LT stem is constructed of strong and lightweight anodized 6061 alloy, and features a headlock system for a secure front clamp fixation.

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