Professional grade derailleur built with carbon fiber and aluminum, featuring roller clutch pulley cage and cage lock feature for easy wheel installation.

Wide-tooth, narrow-tooth pulley wheel maximizes chain control by fitting inner and outer chain links perfectly. Cage Lock feature simplifies wheel removal and chain installation. X-Horizon design maintains constant chain gap across all gears and eliminates ghost shifting. Must be used with SRAM 1x11 shifter and cassette. Roller bearing clutch eliminates derailleur bounce and chain slap. Cannot be used with double or triple chainrings.

Item Specifications: Color, Black, Weight, 220, Largest Cog, 42, Chain Wrap Capacity, 32, Cage Length, Medium, keyword search, 1x11, Drivetrain Speeds, 11, Rear Der/Shifter Compatibility, SRAM

SRAM XX1 Rear derailleur 11sp, Type 2.1, Long cage, Black

Reference Number: 3C47O9

Elevate your mountain biking performance with the SRAM XX1 Rear Derailleur 11-speed, a precision-engineered component designed for rugged trails and demanding XC rides. Crafted from high-quality forged aluminum links, a carbon fiber outer cage, titanium hardware, and sealed ceramic bearing pulleys, this derailleur offers unmatched durability and lightweight performance at just 220g.

Materials & Engineering Excellence:

The SRAM XX1 Rear Derailleur features a robust construction with forged aluminum and carbon fiber components, ensuring strength while minimizing weight. Titanium and stainless steel hardware enhance corrosion resistance and longevity, ideal for all-weather trail riding. The sealed ceramic bearing pulleys reduce friction, increase efficiency, and provide smooth, silent operation.

Performance & Components & Technology:

Designed specifically for SRAM's 1x11 drivetrain, the XX1 derailleur incorporates X-Actuation ratio technology for precise, effortless shifting across an 11-speed cassette from 10T to 42T. The innovative X-Horizon design aligns the parallelogram to a horizontal axis, maintaining a constant chain gap to eliminate ghost shifting and deliver exceptional shift accuracy. The roller bearing clutch mechanism, featuring self-lubricating technology, effectively dampens derailleur bounce and chain slap, providing enhanced chain stability on rough terrain. The wide-tooth, narrow-tooth pulley wheels with X-Sync technology optimize chain control and reduce noise, ensuring smooth and reliable shifts.

Style & Use Case:

With its sleek black finish and aggressive engineering, the SRAM XX1 rear derailleur is perfect for serious cross-country, trail, and enduro riders seeking top-tier performance. Its long cage configuration (medium length) is compatible with a broad gear range, making it ideal for aggressive trail adventures and technical climbs. The CageLock feature simplifies wheel removal and chain servicing, enabling quick maintenance on the trail.

Innovative Features & Differentiators:

- CageLock Technology: Facilitates fast wheel removal and chain installation.

- Roller Bearing Clutch: Reduces bounce and noise for a cleaner, more efficient ride.

- X-Horizon Design: Maintains consistent chain tension and eliminates ghost shifting.

- X-Sync Pulley Design: Maximizes chain control and minimizes noise for a quieter ride.

Specifications:

- Compatibility: SRAM 1x11 shifters & cassette (10-42T)

- Largest Cog: 42T | Minimum Cog: 10T

- Mount Type: 10x1 standard

- Weight: 220 grams

- Cage Length: Long (medium)

- Material: Forged aluminum, carbon fiber, titanium hardware

- Chain Wrap Capacity: 32T

Upgrade your mountain bike's drivetrain with the SRAM XX1 Rear Derailleur 11-speed-engineered for precision, durability, and superior shifting performance on the most challenging trails. Maximize your ride efficiency and enjoy unmatched reliability with this high-performance derailleur tailored for serious riders.

  • Optimized for 1x11-speed mountain biking, the SRAM XX1 Rear Derailleur 11sp with Type 2.1 technology features a self-lubricating roller bearing clutch system that reduces chain slap and noise while enhancing chain stability for reliable performance on rugged trails. Crafted with forged aluminum links, a carbon fiber outer cage, and titanium hardware, this derailleur combines lightweight durability with high-end engineering to withstand the demands of aggressive off-road riding. The X-Horizon design maintains a consistent chain gap across all gears for smooth, precise shifting and eliminates ghost shifting, boosting rider confidence and gear accuracy. Innovative pulley technology with X-Sync 12-tooth upper pulleys and a wide/narrow tooth profile maximizes chain control, minimizes noise, and improves overall drivetrain efficiency, optimized exclusively for SRAM's 1x11 components.

Why 365 Cycles?

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

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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.



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Company Details

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

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