Chainring spacer for adjusting the chainline on inner and middle chainrings.

Bag of 20. 8mm inside diameter.

Item Specifications: Width, 3, Bolt Position, Inner,

Aluminum Chainring Spacer Kit 3.0mm - Adjustable, Lightweight 6061 Alloy, Pack of 20

Reference Number: 5N56C4

Optimize your bicycle's drivetrain precision with the Wheels Manufacturing 3.0mm Aluminum Chainring Spacer - a must-have component for cyclists seeking optimal chainline and enhanced shifting performance. Crafted from high-quality 6061 aluminum, these spacers deliver durability, lightweight reliability, and excellent corrosion resistance for long-lasting use on any bike.

Materials & Engineering:

Machined with exacting tolerances from premium 6061 aluminum, these 3.0mm thick spacers ensure a snug fit that maintains the integrity of your drivetrain. The silver anodized finish not only provides a sleek, professional look but also adds an extra layer of corrosion resistance, making these spacers ideal for both road and mountain biking conditions.

Performance & Compatibility:

Designed with an 8mm inner diameter, these chainring spacers are perfect for fine-tuning chainline alignment, reducing drivetrain noise, and minimizing wear. They are compatible primarily with inner chainrings, allowing for precise adjustments to improve shifting efficiency and drivetrain performance. Whether you're replacing missing spacers or customizing your gear setup, these 20-piece bags provide ample spacing options for multiple bike builds.

Components & Technology:

Exclusive to Wheels Manufacturing, these spacers are precision-machined in-house, ensuring consistent quality and precise dimensions that meet or exceed industry standards. Their thoughtful design offers ease of installation and removal, making it simple for cyclists and bike mechanics to perform quick upgrades or repairs.

Style & Use Case:

Featuring a clean silver finish and a versatile 3.0mm thickness, these aluminum chainring spacers are perfect for road, mountain, gravel, or cyclocross bikes. Ideal for riders who demand meticulous drivetrain alignment, they also serve as reliable replacements for lost or damaged spacers, helping extend the life of your bike components.

Innovative & Differentiating Features:

- Machined from durable 6061 aluminum for longevity and lightweight performance

- Precise 3.0mm thickness to optimize chainline adjustments

- Bag of 20 to support multiple modifications or repairs

- Easy to install and compatible with a wide range of inner chainring configurations

Upgrade your bike's drivetrain with confidence using the Wheels Manufacturing 3.0mm Aluminum Chainring Spacer - engineered for performance, built for durability, and designed to elevate your cycling experience. Perfect for bike enthusiasts, mechanics, and racers seeking reliable, high-performance components.

  • Precisely machined from high-strength 6061 aluminum for durability and reliable performance in everyday cycling.
  • Optimized for perfect chainline adjustments with a 3.0mm thickness, these spacers ensure smooth shifting and drivetrain efficiency on your bike.
  • Includes a convenient bag of 20 lightweight, corrosion-resistant 8mm ID spacers, providing excellent value and quick replacements for missing or damaged parts.
  • Designed for compatibility with most inner chainrings, these aluminum spacers enhance your bike's performance while maintaining a sleek, minimalist style.
  • Ideal for customizing your drivetrain setup, these precision-engineered chainring spacers improve alignment, reduce wear, and are perfect for professional mechanics and cycling enthusiasts alike.
Item Specifications
Width3
Size8mm ID X 3.0mm Thick
KitSingle, 20pcs
ColorSilver
Model NameInner Chainring Spacer
MaterialAluminum
CompatibilityInner Chainring

Why 365 Cycles?

365 Cycles is an Authorized Wheels Manufacturing Dealer, and we offer the Full Wheels Manufacturing 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.

  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.



CR1223 .

Company Details

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

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