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Zipp Service Course SL Stem 70mm Stem Length 31.8mm Bar Clamp 28.6mm Clamp Dia Matte Black
Reference Number: 3DX8EP
Upgrade your cycling performance with the Zipp Service Course SL Stem 70mm 31.8mm +/-6 , designed for serious road riders and competitive cyclists. Crafted from high-grade 7075 aluminum, this lightweight and durable stem offers optimal strength-to-weight ratio, ensuring precision handling and enhanced stability on every ride.
Materials & Construction
Made from aerospace-grade AL-7075 aluminum, the Zipp Service Course SL Stem provides exceptional durability and lightweight performance. Its forged and machined construction ensures a sleek, solid build, while relief-machined faceplates reduce weight without compromising strength. The matte black finish offers a stylish, corrosion-resistant surface that complements any bike setup.
Performance & Engineering
Engineered for precision, the Zipp SL Stem boasts a stiffness of 1.85 N/m per newton meter, delivering no-flex sprinting, rapid acceleration, and efficient power transfer. Its 70mm length and +/-6 adjustable angle allow for customizable fit and aggressive riding positions, enhancing control during climbs, sprints, and high-speed descents.
Components & Technology
Equipped with titanium hardware featuring TORX head bolts, this stem offers effortless adjustments and consistent torque setting, minimizing maintenance and ensuring long-lasting performance. The 31.8mm bar clamp diameter and 28.6mm S.H.I.S. clamp diameter provide compatibility with a wide range of handlebars and steerer tubes.
Style & Use Case
Designed for road cycling enthusiasts seeking reliability and lightweight performance, the Zipp Service Course SL Stem is perfect for competitive racing, endurance rides, and recreational road biking. Its clean matte black finish not only adds a professional look but also resists scratches and weather elements.
Innovative & Differentiating Features
- Forged AL-7075 aluminum for superior strength, lightweight, and fatigue resistance
- Machined relief faceplate reduces weight while maintaining rigidity
- Titanium TORX hardware bolts for precise torque control and easier adjustments
- Adjustable +/-6 angle for optimal rider positioning
- Sleek matte black aesthetic complements high-performance road bikes
Specifications:
- Length: 70mm
- Steerer Tube Diameter: 1-1/8 (28.6mm clamp)
- Bar Clamp Diameter: 31.8mm
- Weight: 125g (at 100mm length)
- Color: Matte Black
- Stack Height: 41mm
- Material: Aluminum 7075 T6
- Bolts: Titanium TORX hardware
- Suitable for road bikes, racing, endurance riding, and aggressive cycling setups
Optimize your bike's handling, reduce weight, and achieve a professional look with the Zipp Service Course SL Stem - the ideal upgrade for serious cyclists seeking performance, durability, and style.
- Premium Aluminum Construction: Crafted from forged 7075 aluminum, the Zipp Service Course SL Stem offers exceptional strength and lightweight performance, perfect for competitive road cycling and demanding rides.
- Optimized Stiffness & Power Transfer: Engineered with a stiffness of 1.85 N m per newton meter, this stem provides no-flex sprinting and rapid acceleration, maximizing your power output during high-intensity riding.
- Innovative Components & Precision Hardware: Features a machined and relieved faceplate along with titanium hardware and TORX head bolts, ensuring precision torque adjustments, corrosion resistance, and reliable performance on every ride.
- Versatile & Stylish Design: With a sleek matte black finish, 70mm length, and +/-6 adjustable angles, this road stem is designed for a wide range of handlebar setups and riding styles, from aggressive racing to endurance cycling.
- Enhanced Compatibility & Engineering Excellence: Compatible with 1-1/8" steerer tubes and 31.8mm handlebars, the Zipp Service Course SL Stem combines advanced materials and engineering to deliver durability, ease of installation, and reliable performance across diverse cycling disciplines.
| Item Specifications | |
|---|---|
| Stem Angle (deg) | +6 |
| Stem Angle (deg) | -6 |
| Length | 70 |
| Bar Clamp Diameter (mm) | 31.8 |
| Color | Matte Black |
| Weight | 125 |
| Material | Aluminum |
| Defined Color | Black |
| Stack Height | 41 |
| S.H.I.S. Stem Clamp Diameter | 28.6 |
| Material | AL7075 |
| Type | Road |
| Angle | +/- 6° |
| Finish | 41 |
| Bar Clamp | 31.8 |
| Fork Dia | 1-1/8` |
| Bar Clamp Diameter (mm) | 31.8mm |
| Defined Color | Black |
| eBay Steerer Tube Diameter | 1-1/8'' |
| Stem Angle (deg) | 6° |
| Face Plate Bolts | 4 |
| Length (mm) | 70mm |
| Material | Aluminum |
| Stack Height | 41 |
| Raw Product Weight Grams | 125g (100mm) |
Why 365 Cycles?
365 Cycles is an Authorized Zipp Dealer, and we offer the Full Zipp Warranty!
Fast Shipping!
Professional Customer Service- available 7 days a week
Check out our 200,000+ amazing reviews!
365 Cycles delivers all your cycling needs fast! We don't waste time preparing your order. Our priority is to serve our customers first and foremost. If you need help picking the right product, have questions about bike component compatibility, or just want to geek out about bikes we are here 7 days a week! Simply put, we are bike experts from dirt to tarmac and want to make sure you get the full 365 Cycles experience when you shop with us.
At 365 Cycles our mission is to simplify the shopping experience. We want to get you the right product in a quick time frame and be here if you need help with questions, warranty, friend to talk to, etc.
We’re dedicated to building lasting relationships with our customers, communities, and team members. We combine the knowledge and service of a traditional bicycle shop with the convenience of shopping in your own home.
Shipping & Handling
Most orders placed during the workweek before 1:30 pm EST ship the same day, but in rare cases (peak season/holiday periods) handling time can take up to 48 hours. If you have questions regarding shipping estimates, please let us know prior to placing your order. There is a direct signature requirement for all orders over $500.Please allow 1-2 business days for your order tracking to update.
- Cut off for SAME DAY SHIPPING- 1:30 pm EST Monday - Friday
- Friday afternoon -Sunday orders ship the following Monday
- Due to carrier restrictions orders shipped to: PO Box, HI, AK, & PR 365 Cycles may use a comparable service to what was selected.
Combined Shipping Discounts
To offer customers savings on shipping, we offer discounts when shipping multiple items from our store. We cannot issue refunds on shipping once an order is finalized so please follow the 5 steps below and ask if you are having trouble with the discount before you make a purchase.- Be sure you are using the US site: https://www.ebay.com
- Select Add to Cart (instead of Buy It Now) with items from our store 365Cycles
- Click on Proceed to Checkout. On the checkout page, the shipping service on each line item needs to match
- Compare First Class vs Priority as sometimes Priority can be cheaper and it gets to you faster!
- You’ll need to change the shipping method to Priority on every item in your cart before the rate can be calculated.
Returns
365 Cycles offers returns for 30 days on new items in their original, intact packaging. Return shipping for ALL orders are to be paid by the buyer. Please be sure to read our return policy entirely and if you have any questions, please contact Customer Service.
Full refunds are issued on items that are brand new and we are able to resell as new. 365 Cycles reserves the right to deny returns that are outside of policy including, but not limited to, used items, items missing original packaging, items with damaged manufacturer packaging, or international orders. Return orders must be shipped in a box or bubble mailer. Items shipped without an outer box will incur a restocking fee. You will be contacted through eBay if your return is ineligible for a full refund.
Returns must be initiated within 30 days from purchase date through your Purchase History under My eBay.
If we make an error in shipping, please contact us -- we will ship out the correct item and provide a free prepaid return label as quickly as possible!
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately and, in the meantime, please initiate a return through eBay on the original item and return it. We will refund for the returned item once it is received back.
