RIM AN (AM) 20 451x27 OS 36 BK/NMSWOverSized 20` rim with a 451 ISO. Double walled, sleeved joint racing rim. Not compatible with 406mm ISO tires. Item Specifications: Size, 20in, Color, Black, Weight, 462g, Width OD, 34, Side, NMSW, Drill, 36, ERD, 430, Wall, Dbl, Valve, SV, Model, OS 20, Profile, 20, Tire Compatibility, Tube Only, ISO, 451, Width ID, 27, Brand, Alienation,

Alienation OS 20in OverSized Racing Rim | Double Walled 451 ISO, 36 Hole, Tubeless-Compatible

Reference Number: 4CD4TX

Upgrade your BMX or dirt jump setup with the Alienation OS Alienation 20in OS 20 Black 36 Wheel-designed for riders demanding durability, performance, and style. Crafted with precision engineering and high-quality materials, this oversized 20-inch rim provides superior strength and handling for aggressive riding styles.

Materials & Construction:

Built from robust, double-walled aluminum with a sleeved joint, the OS Alienation rim ensures maximum durability and resistance to impacts. Its black anodized finish offers corrosion resistance and a sleek, professional look that complements any bike build.

Performance & Engineering:

Featuring an oversized 20-inch rim with a 451 ISO diameter, this rim maximizes internal volume for improved tire support and ride stability. The 34mm overall width provides enhanced traction and control, especially on rough terrains. Precision-drilled with 36 spokes, it ensures optimal spoke tension and wheel integrity for demanding riding conditions.

Components & Technology:

Designed specifically for tube-only tires, the OS 20 rim boasts an ERD of 430mm for precise wheel build and compatibility. The 27mm inner width supports wider tires for increased grip and stability, making it ideal for freestyle, dirt jumping, and mountain biking disciplines.

Style & Use Case:

With its sleek black finish and bold profile, the OS Alienation 20in rim combines aggressive style with high-performance functionality. Whether you're hitting dirt jumps, skateparks, or trails, this rim delivers reliable strength and a confident ride experience.

Innovative Features:

- Oversized 20-inch rim optimized for increased strength and stability

- Double-walled construction with sleeved joint for maximum durability

- Suitable for 451 ISO tires, not compatible with 406mm ISO tires

- Perfect for BMX, dirt jump, and mountain bike applications

Elevate your bike's performance with the Alienation OS Alienation 20in OS 20 Black 36 Wheel-engineered for performance, built to last, and designed to inspire confidence on every ride.

  • Designed for durability and high performance, the OS Alienation 20in OS 20 Black 36 features a oversized 20-inch rim with a 451 ISO to provide superior strength and stability.
  • Constructed with double-walled, sleeved joint technology, this racing rim offers enhanced durability, impact resistance, and improved longevity for aggressive riding and racing conditions.
  • Engineered with precise 36-drill component compatibility and a 430mm ERD, this rim ensures a secure fit for select hubs and optimized wheel builds, making it ideal for lightweight and responsive handling.
  • With a sleek matte black finish and versatile 20-inch profile, the Alienation OS 20 is perfect for street, BMX, or freestyle riding, combining style with functionality for any cycling enthusiast.
  • Note: This rim is designed exclusively for tube-only setup and is not compatible with 406mm ISO tires, ensuring optimal performance when paired correctly for your specific application.
Item Specifications
Size20in
Width OD34
SideNMSW
Drill36
ERD430
WallDbl
ValveSV
ModelOS 20
Profile20
Tire CompatibilityTube Only
ISO451
Width ID27
BrandAlienation

Why 365 Cycles?

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

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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
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  • 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.



RIMS1106 .

Company Details

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

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