About The Product
- 9-speed MTB cassette
- Super Fluid Drive™ technology
- Steel cogs and lock ring
- ~ 350g
- SHIMANO Equivalent CS-HG50 / CS-HG30 / CS-HG20
Experience seamless shifting and enhanced durability with the Sunrace CS-M90 Cassette 11-32t, the perfect upgrade for your 9-speed mountain bike drivetrain. Crafted with precision engineering and innovative technology, this cassette delivers reliable performance across diverse terrains, making it an ideal choice for mountain biking enthusiasts and trail riders.
Materials & Construction:
Constructed with high-quality steel cogs and a robust lock ring, the Sunrace CS-M90 ensures long-lasting durability, corrosion resistance, and strength. Its sturdy steel components withstand the rigors of off-road riding, providing consistent gear changes and extended component life. Weighing approximately 350 grams, this lightweight cassette optimizes bike weight without compromising strength.
Performance & Engineering:
Equipped with Super Fluid Drive technology, the CS-M90 offers smooth and precise shifting performance, minimizing drivetrain friction for effortless gear transitions. The wide 11-32t gear range ensures versatile climbing and sprinting capabilities, making it suitable for mountainous terrain and technical trails. Compatible with 9-speed setups, this cassette champions efficient power transfer and reliable shifting under load.
Components & Technology:
The Sunrace CS-M90 features steel cogs in a progressive configuration (11,12,14,16,18,21,24,28,32), designed for optimized gear ratios and improved chain engagement. Its design aligns with Shimano HG standards (CS-HG50 / CS-HG30 / CS-HG20), ensuring seamless integration with a variety of 9-speed drivetrain components for easy upgrade and compatibility.
Style & Use Case:
Designed for serious mountain bikers and trail riders, the Sunrace CS-M90 combines rugged durability with sleek aesthetics. Its versatile gear range makes it perfect for climbing steep ascents, navigating technical terrains, or conquering diverse trail conditions. Whether you're hitting the local trails or challenging mountain passes, this cassette provides the reliability and performance you demand.
Innovative Features:
Super Fluid Drive technology distinguishes the Sunrace CS-M90 by delivering smoother shifting and enhanced drivetrain efficiency. Its engineered gear spacing and high-strength steel construction mean fewer maintenance requirements and a longer lifespan, making it an invaluable upgrade for your mountain bike.
Optimized for Search & Performance:
Upgrade your mountain bike with the Sunrace CS-M90 Cassette 11-32t for superior performance, durability, and smooth shifting. Perfect for 9-speed mountain bikes, this high-performance cassette is your reliable partner on demanding trails and challenging terrain. Maximize your ride's potential-choose Sunrace for quality, innovation, and exceptional value.
Keywords: Sunrace cassette, 9-speed mountain bike cassette, 11-32t gear range, Super Fluid Drive technology, steel cogs, durable MTB cassette, mountain biking gear, trail riding components, high-performance bike parts, Shimano-compatible cassette
- High-performance 9-speed MTB cassette featuring a wide 11-32t gear range, ideal for versatile trail and mountain biking applications.
- Constructed with durable steel cogs and lock ring, ensuring long-lasting wear resistance and reliable shifting performance on demanding terrains.
- Powered by Sunrace's innovative Super Fluid Drive technology for smoother, quieter gear transitions and enhanced pedal efficiency under load.
- Compatible with Shimano 9-speed drivetrain systems, offering an affordable upgrade with comparable quality to Shimano CS-HG50, CS-HG30, and CS-HG20 cassettes.
- Lightweight design at approximately 350 grams, providing optimal balance between durability and weight savings for competitive and recreational riders.
| Specification | Value |
|---|---|
| Manufacturer | SUNRACE |
| Manufacturer Part No. | CSM90.9AU0.US0 |
| Universal Product Code | 4710944241617 |
| Invoice Description | FH CASS SUNRACE CSM90 11-32 SL 9s |
| Shipping Weight | 0.89 lbs. |
| Package Dimensions | 6.6 x 5.65 x 1.95 |
| HTS Number | 8714.93.7030 |
| Country of Origin | TAIWAN |
| Range | 11-32t |
| Gears | 9sp |
| Cogs | 11,12,14,16,18,21,24,28,32 |
| Color | Silver |
- 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
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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
