A Real Brick And Mortar Retail Bicycle Shop with people you can talk to!
Contact Us! (9-5 Mon-Fri, 12-4 Sat & Sun EST)
Video will open in a new window
Alienation Circle Jerks Chain Tensioner Solid, Non-Adjustable Chain Tensioners
Reference Number: 3NJ4CD
Upgrade your BMX or mountain biking setup with the Alienation Circle Jerks Chain Tensioner - a durable, reliable solution designed to provide optimal chain tension without the hassle of adjustment. Crafted from premium 6061-T6 aluminum alloy, this solid, non-adjustable chain tensioner offers exceptional strength, lightweight performance, and long-lasting durability to withstand intense riding conditions.
Materials & Engineering:
Constructed from aerospace-grade 6061-T6 aluminum alloy, the Alienation Circle Jerks Chain Tensioner ensures high-strength support while keeping weight minimal. Its solid, non-adjustable design delivers consistent chain tension, eliminating the need for frequent readjustments and providing peace of mind during vigorous rides.
Performance & Components:
Designed to be compatible with any frame, chain, and chainring combination, this tensioner is perfect for BMX, dirt jumps, and freeride bikes. Sold in pairs, it fits 3/8-inch axles with various offset sizes (2.5mm to 3mm), offering versatile fitment options to optimize your bike's drivetrain alignment. Its sturdy construction reduces chain slack, enhances power transfer, and minimizes chain drops for a smooth, efficient ride.
Style & Use Case:
Ideal for freestyle and trick-focused riding, the Alienation Circle Jerks Chain Tensioner combines sleek black (BK) finish with robust functionality for a clean, professional look. Whether you're building a new bike or upgrading your existing setup, these tensioners are designed for riders who demand durability, reliability, and performance in their cycling accessories.
Innovative & Differentiating Features:
Unlike adjustable tensioners that require tuning, the Alienation Circle Jerks offer a solid, maintenance-free solution that provides consistent chain tension. Its compatibility across various frames and chain setups makes it a versatile choice for riders seeking a hassle-free, high-performance drivetrain component.
Key Specifications:
- Size: 3/8" x 2.5-3mm
- Material: 6061-T6 Aluminum Alloy
- Compatibility: 3/8" Axles, suitable for various offset sizes
- Sold in pairs for optimal tensioning setup
Enhance your bike's reliability and riding experience with the Alienation Circle Jerks Chain Tensioner - the perfect combination of durability, performance, and style for serious riders.
- Solid 6061-T6 aluminum construction provides excellent durability and lightweight performance for demanding BMX, freestyle, or urban riding applications.
- Non-adjustable design offers a reliable, low-maintenance solution for maintaining optimal chain tension without the need for complex adjustments.
- Compatible with various frame types, chain sizes, and chainring configurations, making these tensioners versatile for multiple bike builds and upgrade projects.
- Designed specifically for 3/8-inch axles with offset options, ensuring secure fitment and enhanced drivetrain stability during aggressive riding or tricks.
- Innovative forged and machined engineering delivers a precise, solid feel that reduces chain slack, improves power transfer, and extends component lifespan.
Why 365 Cycles?
365 Cycles is an Authorized Alienation Dealer, and we offer the Full Alienation 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.
