STEM MTB OR8 AHEAD ALY 90 UNIV 35d BK 31.8-25.4/28.6-25.43D forged AL6061-T6 alloy construction. 4-bolt, 2-piece faceplate design. Road or Mountain compatible. Includes shims for 25.4mm bars. ISO-Mountain safety certified. 135g (110mm). Item Specifications: Material, AL6061-T6, Type, Road or Mountain, Color, Black, Length, 90, Angle, +/- 35°, Finish, Shot-peen, Bar Clamp, 25.4 or 31.8, Fork Dia, 1 or 1-1/8`,

Origin8 Pro Fit Universal Stem 10.000mm Stem Length 31.8mm Bar Clamp 28.6mm Clamp Dia Black

Reference Number: 4DX4EP

Upgrade your cycling setup with the Origin8 Pro Fit Alloy Ergo Stem-designed for both road and mountain biking enthusiasts seeking superior performance, durability, and versatility. Engineered from high-quality AL6061-T6 aluminum, this lightweight, 135g stem provides reliable strength and stiffness for demanding rides.

Materials & Construction

Crafted from 3D forged AL6061-T6 alloy, the Pro Fit Alloy Ergo Stem offers an optimal balance of strength, weight savings, and corrosion resistance. Its robust build ensures long-lasting performance on rugged mountain trails or .

Performance & Engineering

Featuring a versatile +/- 35-degree angle, the stem accommodates a wide range of riding positions, enhancing comfort and control. Suitable for 1 or 1-1/8 steerers, it is compatible with various bike frames, making it an ideal upgrade for both road cyclists and mountain bikers.

Components & Technology

The stem boasts a secure four-bolt front loading faceplate design, ensuring a firm grip on your handlebars for precise steering and responsiveness. Shim inclusions allow for easy customization between 25.4mm and 31.8mm bar diameters, providing seamless compatibility with your existing cycling accessories.

Style & Use Case

With a sleek black finish and a compact 90mm length, the Origin8 Pro Fit Alloy Ergo Stem is perfect for riders seeking an aggressive, performance-oriented riding position or tackling technical MTB trails. Its versatile design makes it suitable for various disciplines, from road racing to mountain biking.

Innovative & Differentiating Features

- ISO-Mountain safety certification guarantees industry-standard safety and reliability

- Forged AL6061-T6 construction for enhanced durability

- Compatible with both road and mountain bike setups, offering multifunctional use

- Included shims for easy bar compatibility and customization

Elevate your cycling experience with the Origin8 Pro Fit Alloy Ergo Stem-built to deliver precise handling, lightweight performance, and dependable strength across all terrains. Whether upgrading your mountain bike or road bike, this stem is an essential component for serious cyclists aiming for optimal form and function.

  • Lightweight and durable AL6061-T6 alloy construction ensures reliable performance on both road and mountain bikes.
  • Designed with a +/- 35-degree adjustable angle, providing customizable fit and riding position for enhanced comfort and control.
  • Universal compatibility with 25.4mm and 31.8mm handlebar diameters and 1 or 1-1/8 steerer tubes, making it versatile for various bike setups.
  • Features a robust 4-bolt front-loading faceplate with included shims for secure handlebar clamping and easy installation.
  • ISO-Mountain safety certified, ensuring high standards of durability and rider safety in demanding cycling conditions.
Item Specifications
MaterialAL6061-T6
TypeRoad/MTB
Angle+/- 35°
Finish42mm
Bar Clamp25.4 or 31.8
Fork Dia1` or 1-1/8`

Why 365 Cycles?

365 Cycles is an Authorized Origin8 Dealer, and we offer the Full Origin8 Warranty!

Fast Shipping!

Professional Customer Service- available 7 days a week
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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.

  1. Be sure you are using the US site: https://www.ebay.com
  2. Select Add to Cart (instead of Buy It Now) with items from our store 365Cycles
  3. Click on Proceed to Checkout. On the checkout page, the shipping service on each line item needs to match
  4. Compare First Class vs Priority as sometimes Priority can be cheaper and it gets to you faster!
  5. 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.



STEM1107 .

Company Details

365 Cycles
1180 Enterprise Rd
East Petersburg, PA 17520
United States

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