About The Product
- 11 speed road cassettes with Sunrace`s Super Fluid Drive technology
- High tensile steel sprocket with aluminum spacers, spider and lockrings
Enhance your road cycling performance with the Sunrace CS-RX1 Cassette 11-28t - the perfect combination of lightweight design, durable materials, and advanced engineering for competitive and recreational cyclists alike. Designed specifically for HG 11-speed road freehub bodies, this high-performance cassette offers seamless shifting and wide gear range to optimize your riding experience.
Materials & Construction
Crafted from high tensile steel sprockets with premium aluminum spacers, spiders, and lockrings, the Sunrace CS-RX1 delivers exceptional durability without adding unnecessary weight. The use of aluminum components in the largest cogs reduces overall weight, with the 11-28t range weighing as little as 278 grams, making it an ideal choice for road cyclists seeking speed and efficiency.
Performance & Engineering
Equipped with Sunrace's innovative Super Fluid Drive technology, this cassette ensures smooth, precise shifts across all gears, even under load. Its engineering design features four of the largest cogs mounted on two aluminum spiders for enhanced strength and stability during high-torque rides. The result is a reliable, fast-responding gear system that maintains performance in demanding cycling conditions.
Components & Technology
This 11-speed cassette is compatible with HG 11-speed road freehubs, providing a robust and efficient gear range from 11 to 28 teeth. Its high-tensile steel sprockets combined with lightweight aluminum spacers and lockrings feature advanced manufacturing for longevity and consistent shifting performance. The sleek black finish offers an additional aesthetic upgrade for your bicycle.
Style & Use Case
Ideal for road racers, endurance riders, or passionate cyclists upgrading their drivetrain, the Sunrace CS-RX1 caters to riders seeking a versatile gear range for climbing and sprinting. Its user-friendly design makes installation straightforward, while the stylish black color complements various bike frames, from classic to modern aesthetics.
Innovative Features & Differentiators
- Super Fluid Drive Technology for smoother, quicker shifts
- Wide Gear Range (11-28t) for versatile riding conditions
- Lightweight Construction with aluminum and steel components
- Optimized for HG 11-speed Road Freehubs for seamless compatibility
- Durable Materials engineered for long-lasting performance in diverse cycling environments
Upgrade your road bike with the Sunrace CS-RX1 Cassette 11-28t, engineered to elevate shifting precision, reduce weight, and enhance riding enjoyment. Whether climbing steep gradients or cruising flat terrains, experience the reliability and performance that professional cyclists depend on.
- Optimized for HG 11-speed road freehub bodies, the Sunrace CS-RX1 Cassette offers seamless compatibility and reliable performance on a wide range of road bikes.
- Constructed with high-tensile steel sprockets, aluminum spacers, spiders, and lockrings, ensuring durability, lightweight design, and efficient power transfer during intense rides.
- Features Sunrace's innovative Super Fluid Drive technology, providing smooth, rapid shifting across all gears for an enhanced riding experience, especially during high-cadence climbs and sprint finishes.
- Designed with a wide-range 11-28T gear ratio, this cassette delivers versatile gearing for climbs, flats, and fast descents, making it ideal for competitive road cycling or long-distance endurance rides.
- Lightweight construction, with the 11-28T model weighing only 278 grams, combines performance and weight savings, helping you optimize bike responsiveness and overall speed on competitive and recreational rides.
| Specification | Value |
|---|---|
| Manufacturer | SUNRACE |
| Manufacturer Part No. | CSRX1.EASR.OS0.BX |
| Universal Product Code | 4710944256802 |
| Invoice Description | FH CASS SUNRACE CSRX1 11-28 BK/CP 11s |
| Shipping Weight | 0.76 lbs. |
| Package Dimensions | 6.55 x 5.7 x 1.95 |
| HTS Number | 8714.93.7030 |
| Country of Origin | TAIWAN |
| Range | 11-28t |
| Gears | 11sp |
| Cogs | 11,12,13,14,15,17,19,21,23,25,28 |
| Color | Black/Chrome |
| Weight | 278g |
- Supplier:
- JBI
Bike Junkies offers no‑hassle returns and exchanges within 60 days of delivery. We want every customer to feel confident when shopping with us, and our return process is designed to be simple, fair, and fast.
Return Eligibility
To qualify for a return or exchange, the following conditions must be met:
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The item must be in new, unused, and uninstalled condition.
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All original packaging, tags, hardware, and accessories must be included and intact.
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Items showing wear, installation marks, damage, or improper use cannot be accepted.
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An order number is required.
Once your return is received at our warehouse, a refund will be issued within 5 days after inspection.
Refunds
Refunds are issued to the original form of payment once the returned item has been received and approved. If we are unable to refund to the original payment method, the refund will be issued as store credit.
Depending on your bank or credit card provider, it may take an additional 2–3 business days for the refund to appear in your account.
Exchanges
To make an exchange, simply complete the return process and then place a new order for the item you want instead. This ensures the replacement item is reserved and ships quickly.
How to Start a Return
To request a Return Authorization (RA#), contact us at support@bikejunkies.com. Please include your order number and the item you wish to return.
Once approved:
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You will receive a Return Authorization email with instructions.
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Print the prepaid label provided by us. ($9.99 will be deducted from your refund)
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Ship the item back within 7 days of the RA being issued as RA #'s are only valid for 7 days.
Please do not tape anything to the original product packaging. Place the item inside a proper shipping box. Using the manufacturer’s box as the shipping container will result in damage and the return may be rejected.
Be sure to keep your return tracking number. Powersport Junkies is not responsible for lost return shipments. You will receive a confirmation email once your return has been processed and refunded.
Defective, Incorrect, or Damaged Items
If you receive a defective, damaged, or incorrectly shipped item, contact us immediately. We will cover the return shipping cost and ensure the issue is resolved quickly.
Non‑Returnable Items
Certain items cannot be returned, including:
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Electronics with opened packaging or broken manufacturer seals
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Any part that has been installed or shows installation attempts
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Tools or chemicals that have been opened or unsealed
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Open‑box items with destroyed or missing packaging
Our Info
-
Storefront name: Bike Junkies
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Address: 940 Calle Amanecer, Suite N
San Clemente, CA 92673 -
Phone: 800-605-2152
-
Support email: support@bikejunkies.com
- Support hours + timezone:
Monday-Friday: 9:00 AM-5:00 PM PST
Saturday: 9:00 AM-3:00 PM PST
Sunday: Closed
This Shipping Policy explains how orders are processed, handled, and delivered by Bike Junkies, including delivery timelines, shipping coverage, and special conditions for military addresses. It is designed to give customers a clear understanding of what to expect when placing an order.
Bike Junkies is proud to be an authorized dealer of the brands we currently offer. When you purchase from us, you are guaranteed to receive genuine, brand-new products backed by the full manufacturer warranty. We work directly with the manufacturers to ensure you receive the highest quality service and support.
Order Processing and Handling
Orders are processed quickly to ensure fast delivery. Our standard handling time is 0–1 business days. Order cutoff time is 12 PM PST Monday-Friday and orders placed after that will be shipped shipped next business day.
Transit Times
Once shipped, orders typically arrive within 2–3 business days. Transit times may vary slightly depending on the destination, weather conditions, or carrier-related delays. Delivery estimates apply only after the order has left our facility.
Delivery Schedule
Standard delivery occurs Monday through Friday. Saturday delivery may be available.
Shipping Coverage
Bike Junkies offers free shipping to the lower 48 states of the United States. We do not ship to the following locations:
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Alaska
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Hawaii
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Puerto Rico
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Any international destination outside the United States
Orders placed with shipping addresses in restricted locations will be canceled and refunded.
Military Shipping (APO/FPO)
Bike Junkies ships to APO/FPO military addresses using USPS only.
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We cannot ship hazardous materials or oversized items to military addresses due to carrier and military mail restrictions.
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Transit times to APO/FPO locations may vary significantly depending on military mail processing.
Address Accuracy and Delivery Issues
Customers are responsible for ensuring that all shipping information provided at checkout is accurate and complete. Bike Junkies is not responsible for delays, lost packages, or delivery failures caused by incorrect or incomplete addresses. If a package is returned due to an address error, additional shipping charges may apply to resend the order.
Lost, Delayed, or Damaged Shipments
If a shipment is delayed, lost, or arrives damaged, customers should contact us promptly so we can assist with initiating a claim or resolving the issue with the carrier. While we support the process, final decisions regarding claims are made by the carrier.
Tracking Information
A tracking number is provided via email once the shipping label has been created. Tracking updates may take up to 24 hours to appear after the label is generated.
Shipping Restrictions
Certain items may be subject to shipping restrictions due to size, weight, or hazardous material regulations. If an order cannot be shipped due to such restrictions, we will notify the customer to arrange an alternative solution.
Our Info
-
Storefront name: Bike Junkies
-
Address: 940 Calle Amanecer, Suite N
San Clemente, CA 92673 -
Phone: 800-605-2152
-
Support email: support@bikejunkies.com
- Support hours + timezone:
Monday-Friday: 9:00 AM-5:00 PM PST
Saturday: 9:00 AM-3:00 PM PST
Sunday: Closed
For warranty issues please contact us at support@bikejunkies.com. Each Brand is different and we can provide instruction to complete warranty issues.
Bike Junkies is proud to be an authorized dealer of the brands we currently offer. When you purchase from us, you are guaranteed to receive genuine, brand-new products backed by the full manufacturer warranty. We work directly with the manufacturers to ensure you receive the highest quality service and support.
Our Info
-
Storefront name: Bike Junkies
-
Address: 940 Calle Amanecer, Suite N
San Clemente, CA 92673 -
Phone: 800-605-2152
-
Support email: support@bikejunkies.com
- Support hours + timezone:
Monday-Friday: 9:00 AM-5:00 PM PST
Saturday: 9:00 AM-3:00 PM PST
Sunday: Closed
