Stems

Chromag has used their knowledge of making stems for almost 20 years to create a new, highest level, Canadian-made bar grabber. There's no doubt the RIZA is their finest stem to date. CNC machined in Whistler, Canada from premium 6061 billet aluminum, it features their new faded edge on the clamp face to help avoid hot spots and stress risers when your bar flexes under load. Also it looks really amazing! The RIZA comes in 31.8 and 35mm clamps and 32, 38 and 45mm lengths.

The Renthal Apex stem combines All Mountain strength, Enduro stiffness and XC lightweight. Unique 240° handlebar clamps allow much of the stem body material to be removed, whilst retaining the strength and stiffness demanded by modern, wide handlebars. The Apex is fully CNC machined, featuring an oversize centre bore, extensive 3-D machining and external webbing to maximise structural strength and stiffness and minimise weight.

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

FSA ACR (Aerodynamic Cable Routing) Stems have a low-profile frontal area that is suitable for road and gravel riding. - Aerodynamic Cable Routing (ACR) - Low-profile frontal area - No rotation limit - Body and faceplate - 6061 T6 - Chromoly hardware - Specific frame and headset required - 31.8mm handlebar clamp diameter - 30mm fork clamp stack height - Compatible with: K-Force Light ACR Compact, SL-K ACR Compact, Energy ACR Compact, K-Wing AGX and K-Wing AGX handlebars

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.

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

- 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

- 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

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

In collaboration with 77 Designz , We Are One Composites have manufactured one of the world's lightest and strongest bar and stem combos. The issue they tried to improve was the clamp force creating weak points at the bar to stem clamp interface. Testing and fatigue have shown that the interface between a regular stem and carbon bar can be hazardous. Irregular clamping force, low tolerance bar diameter, and harsh interactions between the bar and stem are the root cause of these issues. Their unique, yet simple design maximizes clamping surface area while spreading the clamping force through the whole area of the sleeve. With their patent pending location nipple on their carbon bar. With the carbon nipple, you can ensure alignment is perfect and capture the sleeve so it does not rotate. Da Bar has also been designed to a 33mm diameter in order to drop the stiffness and allow for the sleeve to slide into our 35mm clamp diameter of Da Stem. A new way of thinking about 35mm. Smart design meets absolute manufacturing excellence!

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

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

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

This handlebar/stem combo is a brand new OEM take-off (from a stock Trek build) and as such does not include retail packaging. Includes standard Trek/Bontrager warranty. Save watts, ride faster This aero upgrade cleans up your cockpit by securely storing cables for a refined look and free speed. The Aeolus RSL carbon bar/stem combo is proven in the wind tunnel to save 7 watts, making it 10% faster than its predecessor. It's light, fast, easy to install, and Blendr-compatible for seamless integration of your light or Garmin. Price reflects Blendr mono and duo bases with mounts for Ion light and Garmin computer sold separately