Stems & Seatposts

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

Zipp's Service Course SL OS 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 - Wide range of sizes and angles. - Service Course SL OS stem made for 1-1/4" steerer tube bikes. Ships with shims for 1-1/8" steerer tubes - Zipp Quickview integrated computer mount available separately - Lifetime warranty

- 3D forged and CNC machined AL2014 - 4 bolt sculpted faceplate with titanium hardware - 40mm stack height - 113g (100mm)

Syntace's Megafroce 2 stem is intended for all-mountain and downhill riding and comes in a range of sizes with a focus on torsional stiffness and weight savings. The 42mm wide bar clamp area stiffens up cockpits with bars wider than 700mm Titanium bolts help keep the weight low and strength high. - Stack height: 36mm - Weight: 132g (70mm)

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.

Dimension Suspension Seatpost - Clamp Style: Std Rails - Diameter: 27.2mm - Length: 350mm - Material: Aluminum - Max Height: 255mm - Min Height: 130mm - Offset (mm): 0mm - Seatpost Type: Suspension - Travel (mm): 35mm - Weight: 450g

Seatposts can be an overlooked part of the bike, but at Whisky Parts Co., everything gets the same attention to detail so your ride never suffers. Their seatposts are made from the highest quality carbon, ensuring they are durable, lightweight, and comfortable. Whether you’re remounting during a cross race or abusing them on the trail, you'll be glad you have the No.7. - Carbon shaft absorbs trail chatter - UD carbon shaft, forged aluminum head

The latest generation Thudbuster ST is superior to its predecessor in every way. Building on Thudbuster's proven parallel linkage technology we have completely re-designed the seatpost for increased durability, a higher rider weight limit, and additional suspension travel, as well as ease of use through tool-free elastomer change and a single-bolt seat clamp design. By improving on this already legendary design, we're confident to say that the newest generation Thudbuster is the most advanced suspension seatpost ever made. - Travel: 50mm - Weight: 580g - Max Rider Weight: 330lbs

Sleek design and ultimate functionality of the WCS 1-Bolt seatpost are the hallmarks of Ritchey design. Single bolt-actuated side load clamp offers easy adjustability and simple security in a post that works as nicely as it looks. - 3D Forged 7050 Alloy - Available in 27.2, 30.9 and 31.6mm diameters - Available in 350 and 400mm lengths - 20mm Offset - 7x7mm saddle rail clamp included - Interchangeable clamps available for carbon rail saddles - Saddle Clamp Torque Spec: 12Nm - Finish: Blatte - 195g (27.2/350)

EA70 alloy continues to provide an impressive balance of performance and value. From lightweight aluminum tubing, to 3D forging processes and our TopLock technology, Easton alloy stems integrate careful design choices into the lineup. The EA70 stem is also compatible with the ICM integrated Garmin mount. - 3D Forged EA70 Alloy - Easton ICM direct-mount faceplate computer mount compatible - TopLock Design for easy bar installation - Finish: Black Ano - Weight: 132g (100mm/0) - Rise: +/- 7 degrees - Clamp Diameter: 31.8mm - Steerer: 1 1/8"

The new SL-K SBS SB0 seatpost is lighter and stiffer than ever. Using a UD carbon shaft with a bonded alloy head and a sophisticated SBS clamp design, we can achieve what we believe is the finest SL-K seatpost yet. Available with a polymer Di2 battery holder. - UD carbon shaft with bonded alloy head - Forged alloy "SBS" 2-bolt head - Chromoly hardware - 20mm setback - Fits 7mm standard rails and 7x9mm oval rails - 221 grams

- Forged and CNC machined aluminum with black on black graphics - KS's tuned flex system offers the perfect balance of comfort and control when used with Ether bar

The smooth and sleek design of the patented SideBinder clamp makes the Ritchey WCS Carbon 1-Bolt a sophisticated choice to finish off a performance-oriented build. The beauty of this carbon masterpiece lies in the simplicity of the design of the wide clamp head. Secured with a single 5mm bolt, this post offers ease of adjustability while relieving stress on saddle rails. - Monocoque carbon construction - Available in 27.2 & 31.6mm diameters - Available in 350 and 400mm lengths - 7x7mm saddle rail clamp included - Interchangeable clamps available for all different carbon rail sizes - Saddle clamp torque spec: 12Nm - Matte UD carbon finish - 185g (27.2/350)

Easton’s lightest aluminum stem is the choice of road racers and top XC pilots alike. The advanced EA90 aluminum tubing and 3D forging process results in a perfect blend of strength and weight. Easton’s patented DST distributes clamping forces more evenly over a larger area, making it the perfect stem for today’s lightweight aluminum and carbon handlebars. - Finish: Black Ano - Weight: 130g (100mm) - Rise: Varies - Clamp diameter: 31.8mm - Steerer: 1 1/8-inch - Length: 80mm, 90mm, 100mm, 110mm, 120mm, 130mm - Materials: EA90 alloy

Your stem may seem inconsequential, but it is the point of transfer between your skilled handling and the bike itself. An impressive refinement of our popular top level Easton alloy stem, the newest generation of EA90 stems have an larger boom diameter for increased stiffness and, by utilizing our highest quality alloys, we were able to remove excess material for even more weight savings. We've also created a custom Garmin mount, known as the ICM system, for cleaner lines and improved aerodynamics (included). Our EA90 stem comes in at 120 grams (100mm). With weights like these, we surpass much of the alloy and carbon competition in the market, while giving you the durability, confidence and control you expect from Easton. - 3D Forged EA90 Alloy - Easton ICM direct-mount faceplate computer mount compatible - TopLock Design for easy bar installation - EA90 includes Easton ICM Garmin computer mount - Finish: Black Ano - Weight: 120g (100mm) - Rise: +/- 7 degrees - Clamp Diameter: 31.8mm - Steerer: 1 1/8"

- Gravity-approved butted, heat treated aluminum mast with black on black graphics - Uses the same two-bolt seat clamp found on the LEV, featuring titanium bolts - 260g (30.9mm)

Promax's DA-1 XC mountain bike stem is 3D cold-forged, then CNC-machined from 6061-T6 aluminum to create a lightweight and strong stem. The two-piece faceplate features their bar-gripping DWT (Dynalock Web Technology), which increases the bar/stem interface.

Kalloy's 822 Adjustable Stem lets you set up your handlebars exactly where you want them using just an allen wrench! With a 0-60° rise, you're sure to find a position that puts you comfortably in control. Its 4-bolt handlebar clamp makes bar changes easy and secure. - For quill-style steerers

Developed for longer-travel trail bikes, Promax's S-29 stem offers the perfect configuration to set you up for maximum comfort and control. Featuring an oversize extension tube and faceplate with massive clamping area, it’s sure to keep your bars stylishly in place through the most demanding terrain. These stems are cold-forged and CNC-machined from 6061-T6 aluminum for strength, low weight, and durability.

- High strength and ultra-low weight combined with a low 40mm stack height make for a great all around stem - Stem is horizontally divided and machined in two pieces, enabling weight to be reduced to the absolute minimum without compromising strength

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.

Chromag's Ranger stem is carved by technical artists using futuristic robot machines for a strong, light, and elegant piece of heavy-duty bike ordnance. Starting at 140g, the Ranger is light yet extremely stiff for positive control at the front end. - CNC machined from premium alloy optimized for strength and fatigue resistance - As light as 140g - 0 degree rise, the way it should be - 31.8 bar clamp

Velo Orange Removable Faceplate Quill Stem. For any classic roadie, tourer, mtb, or any other bike with a 1-inch threaded steerer. These stems feature a simple 2-bolt removable faceplate for use with any handlebars including modern bars with 31.8mm clamp diameters. The 90 degree extension gives a bit of rise without looking out of place on a custom build. - Height above insert: 130mm - Use shims for 25.4 handlebars (sold separately)

For cross country and all-mountain riding, Dimension Trail Stems provide a broad array of sizing options, rigorously tested to ISO 4210 Mountain standards. - Constructed with AL-6061-T6 aluminum - Shot-peened finish - Dimension stems are not intended for use with carbon handlebars or carbon steerer tubes

Race Face took their super popular Turbine 35mm stem and turned the volume up to R. Increased strength to handle the harshest aggressive all mountain riding combined with an update to 0-degree size for optimized fit and performance. This stem sets the new standard in weight vs strength. - CNC Aluminum - 0-degree rise for perfect fit on aggressive bike frames - Extensive CNC machining for weight reduction without impacting strength - TopLock faceplate design for easy and secure installation

- Solution for riders wanting to raise their drop bars for added comfort - 225mm tall quill (210mm above the min insertion line) - Forged aluminum - 22.2mm quill - 25.4mm clamp - 386-415g

Syntace's HiFlex full carbon seatpost is centered around a highly technical carbon design that evenly distributes rider load as well as damps vibrations without loss of control. Its extra-deep 52mm bottom clamp offers optimal rail support while a shallow 30mm top clamp allows for extra fore-aft adjustment. The two-bolt micro adjust clamp offers precise saddle angle adjustments and features bolts arranged in line with the direction of bump forces for increased strength Ideal for anything from road to mountain. - Improved vibration damping and directional stability - Bob-damping mechanism for full suspension bikes - Compatible with most Carbon rails - Weight: 212g - Max. Height: 310mm - Min. Height: 40mm

The Boxcar Stem from Paul Components is the perfect combination of stiffness, strength, and reasonable weight. All screws are high-strength stainless steel with the popular T25 head. Made in Chico, California with US-sourced 2024 aircraft alloy. - Stack height: 36mm - Weight: 155g (90mm)

3D-forged and CNC-machined AL6061/T6 mountain bike stem. - 4-bolt cold-forged alloy faceplate - Chromoly hardware - 40mm fork clamp stack height

You really can have it all; Ritchey's WCS C-220 stem features revolutionary stiffness and classically inspired good looks, but it’s quick and easy to install and remove thanks to a press-fit handlebar clamp interface and forward-facing hardware. The C-220 handlebar clamp design creates a more secure interface by wrapping a full 220 degrees over the handlebar. Bolt forces are aligned with the clamp so that the stem body ‘embraces’ the handlebar, which is less prone to damaging lightweight bars. This clamp design allows for a lighter faceplate and stem body with no sacrifice in strength or stiffness. The stem body is forged 2014 aluminum for further weight reduction. Premium quality chromoly steel bolts are used throughout. - Material: 3d forged 2014 alloy body - 4 x 4mm coated CrMo steel forward-facing faceplate bolts - 2 x 4mm coated CrMo steel offset steer tube clamp bolts - 5Nm torque max on all hardware - Compatible with all 31.8 bars - Press-fit clamp design installs and removes like a standard stem - Angle: 84/6 degree - Steerer Height: 42mm - Steerer diameter: 1-1/8" - Faceplate Width: 42mm - Silver Finish - 121g (110mm)