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

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

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

Proper fit on your bicycle isn't just for the pros. Swap out the old stock stem on whatever bike you ride for the adaptable Bontrager Comp alloy stem. - Construction: 6061-T6 forged and welded body - Removable 2-bolt face plate - Opposing 2-bolt steerer tube clamp - Corrosion-resistant steel bolts - Suitable for road or mountain use - Safe for use on carbon steerer tubes and handlebars - 50mm stack height

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 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 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

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

- Fully CNC machined - Featuring an oversize center bore - Extensive machining and external webbing to maximize structural strength and stiffness and minimize weight

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

- CNC machined 6082 aluminum body - 7075 aluminum clamps - Unique 240-deg C-shape clamps - Minimal 6-bolt design - U-shape cradle clamp eliminates handlebar stress raisers found with traditional stems - Ultra-wide 64mm clamp width

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

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

Trim some weight and add some style to your ride with Bontrager's RXL Stem. Made from forged 7050-T6 aluminum, this stem is exceptionally light and strong. In fact, it's equally suited to the sharp impacts of mountain biking as it is to the long-mile rigors of the road. And, its shot-peened finish offers exceptional strength while the 4-bolt faceplate makes installation easy, and the opposed-bolt steerer clamp is carbon friendly.

Rail harder and faster on the berms behind a stem that stays steady on every trail. The Line 35 stem pairs perfectly with your aggressive riding style. Constructed of strong and light aluminum, it's the ultimate in oversized performance. - 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 - Available in a wide range of sizes for today's mountain rider - Safe for carbon bars

The smarter upgrade Outfit your road bike with the Pro Blendr stem to provide confident handling and integrated accessory capability. The forged alloy construction means you'll get the stiffness you demand but in a weight that'll make others jealous. - Pro-level quality 31.8mm clamp diameter stem weighs less than many carbon stems - Blendr technology seamlessly integrates accessories with included Blendr Pro base and Blendr XXX accessory mounts - Blendr XXX mounts include Bontrager Ion and Trip, Garmin, GoPro and SRM accessories - Countersunk, corrosion-resistant steel bolts do not require washers - Approved for carbon bars and steerer tubes - Safe installation requires 5mm spacer above and below stem

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;

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

Equip your whip with this 35mm Line Pro stem and give yourself the oversized advantage today. 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. - 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 - High-strength corrosion-resistant steel bolts to ensure the freshest look for longer - Available in a wide range of sizes for today's mountain rider - Safe for carbon bars

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.

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

- 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 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

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

TruVativ's Hussefelt is an aggressive DH/freeride stem forged from 6061 aluminum for superb stiffness and superior strength. The short length provides supreme confidence when railing down the sketchiest steeps. Four bolts attach the faceplate for a vise-like grip on your bars, and the 2-bolt clamp secures to your steerer for pinpoint steering precision and stiffness.

Gooseneck is Dank Kruk's signature stem from WTP. Unique sculpted look with bar alignment guides. - Shark Tooth Clamping (STC) linear knurling to prevent bar slip - Unique offset rear for improved clamping, material saving and unique look - Recessed top cap section for flush fit - Larger head bolts for more clamping power

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

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

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

Get back on the road with a genuine replacement stem. Original equipment replacement stem for your Madone SLR. PRODUCT DETAILS - High fit stem is 7-degrees of drop - Not compatible with other bikes - For installation instructions, please see your Madone Assembly Manual