Assenmachers Bicycle Company

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Stems

Specialized Comp Multi Stem
$50.00
Specialized's Comp Multi Stem is forged and machined from 6061 aluminum for stiff, responsive handling. The 6-degree rise puts your bars in a position for improved control and the 31.8mm handlebar clamp is compatible with composite and aluminum handlebars.
Bontrager Comp Stem
$29.99
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
Origin8 Pro Fit Alloy Ergo Stem
$34.00 - $42.50
Origin-8's Pro Fit Alloy Ergo Stem is a great upgrade for road and mountain bikes. It's 3D forged from lightweight and durable 6061-T6 aluminum. It has a 4-bolt, 2-piece face clamp that shaves grams and makes for quick and easy handlebar installation/removal. Plus, the opposing steerer clamp bolts apply more even holding force to protect the fork and keep your bars from changing position.
Origin8 Pro Fit Aluminum Ergo Stem
$29.99 - $38.00
- Steerer Diameter: 1" or 1-1/8" (includes shim) - Length: 70, 90, 110mm - Bar Clamp: 25.4 or 31.8 (includes shim) - Angle: +/- 35 degrees - Material: 6061 Aluminum - Shot-peen finish
Origin8 X-Tra Lift Stem Riser
$35.99 - $39.99
Origin-8's X-Tra Lift Stem Riser is an adapter that lets you raise your handlebars and stem. It fits over and securely bolts to 1 1/8-inch forks to extend them. This gives you more height to raise your stem/bars. You use the included spacers to dial in the best fit. The Stem Riser is made from forged 6061 aluminum and is anodized for durability.
Sunlite Alloy 2-Bolt Quill Stem
$24.99
• Forged aluminum • Classic streamlined shape • 2-bolt clamp • 180mm tall
Origin8 Ultim8 Quill Stem
$52.99
- Lightweight forged aluminum construction - Hidden 2-bolt face clamp - EN Road safety certified - Compatible with 1-inch steerer (22.2mm internal diameter) - Length: 90mm, 110mm, and 120mm lengths - Bar clamp diameter: 26mm - Stem angle: -17 degrees - Steerer length: 140mm
Origin8 Swift Carbon Road Stem
$199.99
- Full UD carbon construction stem - 4 bolt aluminum faceplate for added rigidity - Stainless steel hardware - Reversible +/-7° angle - 40mm stack height - 125g weight in 100mm length - ISO-Road safety certified
Pro FRS Stem
$39.99
The Pro FRS stem is constructed of 3D forged AL6061-T6 aluminum for ultimate strength, providing supreme confidence and control on the slopes.
Bontrager RXL 7 Degree Factory Overstock Stem
$40.00 $89.99 56% Off
A traditional, lightweight, alloy stem with increased compliance for road and MTB use. Light as carbon. Strong as hell. The super compliant 7050-T6 aluminum alloy Race X Lite bike stem is light enough for the road but strong enough for the mountain. It features a flip-flop 7 degree rise and 31.8 clamp that help it excel in lightweight versatility for a variety of hand positions. - 7050-T6, 3D, forged alloy construction - 4-bolt face plate helps distribute clamping load on ultra-lightweight handlebars - Angled steerer tube clamp spreads clamping pressure on steerer and is carbon friendly - Countersunk, corrosion-resistant steel bolts do not require washers - Dual clamp bolts are strategically positioned to evenly distributing clamping forces - This stem requires at least 5mm of spacers above and below the steerer tube clamp area - Go green and save green – Zero packaging means zero waste and zero extra cost
Sunlite Adjustable Top Mount Threadless Stem
$41.99
- Adjustable top mounted threadless stream - Adjustable from 0 to 60 degrees - Available in two lengths - Material: Alloy
Bontrager Rhythm Comp Knock Block Stem-No Packaging
$49.99
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;
Bontrager Comp Stem
$29.99
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
Origin8 Flow MTB/Road Stem
$34.99
3-D forged AL6061-T6 alloy construction - 40mm stack height - 4 bolt front loading faceplate design
Bontrager Speed Concept Stem
$86.50
Make sure your fit is dialed in your race against the clock! Bontrager's Speed Concept Stem allows you to set up your Speed Concept bike for proper ergonomics and aerodynamics. Plus, the precisely integrated design keeps your super aero bike fast and looking pro! - Low-Near = 17° rise / 77mm length - Low-Far = 100° rise / 110mm length - Mid-Near = 50° rise / 67mm length - Mid-Far = 45° rise / 110mm length - High-Near = 80° rise / 67mm length - High-Far = 75° rise / 110mm length
Sunlite ATB/Urban Quill Stem
$25.99
• Forged aluminum • Anodized finish • 2-bolt clamp • 150mm tall
Sunlite Threadless Alloy Road Stem
$27.99
- 3D forged 6061 alloy road stems in 6 or 17 degree angles - Lightweight 4 bolt faceplate - Material: AL6061-T6 - Finish: Sandblasted
Bontrager Line Pro 35 0 Degree Stem
$99.99
An oversized 35mm stem that is lightweight and durable for the burliest mountain riders. Oversized and in control Equip your whip with this 35mm Line Pro stem and give yourself the oversized advantage. 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. Product details - 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 - 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 - High-strength corrosion-resistant steel bolts ensure the freshest look for longer - Available in a wide range of sizes for today's mountain rider - Safe for carbon bars
Pro Koryak Stem Di2
$79.99
The Koryak Di2 stem is ideal for AM, Trail, and XC. It's 3D forged with AL-7075 aluminum for a strong and lightweight stem, and has a headlock system for a secure front clamp fixation. The Koryak stem is ready to hit the trail.
Origin8 Classic Pro Quill Stem
$19.99
Origin-8's Classic Pro Quill Stem is crafted from light and durable forged 6061 aluminum with chrome-plated steel bolts. The handlebar clamp bolt is hidden for a clean look. This sweet stem has a polished anodized finish for durability and style. Different lengths are available for customizing the reach to your handlebars.
Odyssey RAFT Stem
$64.99
Using Odyssey's popular TL48 stem as a springboard, Broc Raiford's signature RAFT stem is a classic top load design. FEATURES - Six bolt clamping configuration - Headset pre-load bolt recess (32mm diameter) - 6061-T6 aluminum, CNC machined
BOX Hollow Stem
$69.95 - $99.95
- Forged, CNC-machined 6061-T6 aluminum with hollow CrMo hex bolts - Open skeletal design and a dual mid-bolt wedge mounting system - 1" or 1-1/8" steerer clamp
Origin8 Fix8 Stem
$34.99 - $35.99
Origin-8's Fix8 Stem is a nice upgrade for your super-cool fixed-gear bike and perfect for mountain bikes, too. It's forged from lightweight and durable aluminum and features a 4-bolt face clamp that holds fast and makes bar installation/removal quick and easy. Plus, the opposing steerer clamp bolts apply more even holding force to keep your bars from changing position. At 50mm long, this stout stem is great for flatland tricks, bar spins, and anything else you come up with.
Origin8 Flux MTB/Road Stem
$64.99
Full CNC machined AL6061-T6 alloy construction - 40mm stack height - 4 bolt front loading faceplate design - EN-Mountain safety certification
FSA Omega Stem
$34.99 - $39.99
Dial in your perfect bike fit with FSA's Omega Stem. 3D-forged and CNC machined construction makes this stem stiff and light for power transfer and steering precision. The four-bolt faceplate holds bars securely, and this stem features stainless steel bolt hardware.
TruVativ Stylo T20 Stem
$40.00
TruVativ's Stylo T20 stem is 3D forged for that perfect balance of light weight, stiffness and control on the trail. Four bolts securely attach the face plate and make changing out handlebars a breeze.
Race Face Chester 35
$44.99
RaceFace's Chester 35 Stem is a practical stem with 2 length options and that legendary bomb-proof Race Face toughness baked right in. - Forged and machined from 6061 aluminum - Interlocking 4 bolt bar clamp secures your bar and distributes loads away from bolts and into the body - Stack Height: 42mm
FSA OS-99 CSI Stem
$189.99
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)
Race Face Turbine 35 Stem
$99.99
- Intended for XC, Trail and All Mountain use - Machined to precision with 7075 aluminum for high strength & fatigue resistance at a very light weight - Interlocking 4 bolt bar clamp secures your bar and distributes loads away from bolts and into the body - Bar Clamp Diameter: 35mm - Stem Angle: -84 deg , +96 deg
Zipp SL Speed Stem
$265.00
Zipp’s SL Speed stem represents the essence of carbon componentry. It’s stiff, secure, and lightweight with a sleek design that complements 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. - Includes stiff aluminum faceplate and titanium hardware - Torx T25 heads for precise torque readings and ease of adjustment - Stack height: 41mm
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