About The Product
- 7-speed cassette
- Super Fluid Drive™ technology
- Steel cogs and lock ring
- Nickel
- ~ 250g
- SHIMANO Equivalent CS-HG50 / CS-HG41 / CS-HG20
Upgrade Your Bike's Performance with the Sunrace CS-M63 12-28t 7-Speed Cassette
Enhance your cycling experience with the Sunrace CS-M63 12-28t cassette, engineered for reliability, smooth shifting, and versatile gearing suitable for a variety of terrains. Designed for both casual riders and mountain bikers, this high-performance cassette offers an excellent balance of durability and lightweight efficiency.
Materials & Construction:
Constructed from high-strength steel cogs and lock rings, the Sunrace CS-M63 ensures maximum longevity and resistance to wear. The nickel-plated surface provides added corrosion protection, making it ideal for diverse riding conditions. Weighing approximately 250 grams, this cassette delivers durability without adding unnecessary weight to your drivetrain.
Performance & Engineering:
Featuring advanced Super Fluid Drive technology, the CS-M63 provides exceptionally smooth and consistent gear transitions. Its 7-speed design offers a wide gear range (12-28 teeth), allowing riders to optimize cadence whether climbing steep hills or cruising flat terrains. The precision-engineered components work seamlessly with a variety of chains and derailleurs for reliable shifting performance.
Components & Technology:
This cassette is compatible with Shimano Shimano HG freehub bodies, including models like CS-HG50, CS-HG41, and CS-HG20, ensuring easy integration into most drivetrain setups. The steel cogs are engineered for high torque and minimal wear, providing a long-lasting upgrade to your bike's drivetrain.
Style & Use Case:
Perfect for mountain biking, cyclocross, and hybrid bikes, the Sunrace CS-M63 cassette offers versatility for different riding styles. Its robust build and wide gear range make it suitable for tackling challenging climbs and fast descents alike. Whether you're upgrading your existing drivetrain or building a custom setup, this cassette enhances both performance and style.
Innovative Features:
The Super Fluid Drive technology sets this cassette apart by reducing friction and improving power transfer, resulting in a smoother, more efficient ride. Its rugged construction and corrosion-resistant finish ensure it stands up to dirt, mud, and wet conditions, making it an ideal choice for all-season riding.
Key Specifications:
- Cogs: 12, 14, 16, 18, 21, 24, 28 teeth
- Gears: 7-speed
- Range: 12-28 teeth
- Weight: Approximately 250 grams
- Compatibility: Shimano HG freehub bodies (CS-HG50, CS-HG41, CS-HG20)
Upgrade your bike's drivetrain with the Sunrace CS-M63 12-28t cassette-designed to deliver Shimano-level performance at an affordable price. Maximize your cycling potential with reliable, smooth-shifting technology engineered for adventure.
- High-performance 7-speed cassette featuring durable steel cogs and lock ring for reliable shifting and longevity.
- Equipped with Sunrace's innovative Super Fluid Drive technology for smooth, precise gear transitions and enhanced riding efficiency.
- Constructed with high-quality nickel plating for corrosion resistance and lightweight design, weighing approximately 250 grams for optimal performance-to-weight ratio.
- Compatible with a wide range of bikes, offering an expansive 12-28T gear range suitable for mountain biking, road cycling, and hybrid adventures.
- Built to match Shimano components (CS-HG50 / CS-HG41 / CS-HG20), ensuring seamless integration with existing drivetrain setups for versatile use and upgradeability.
| Specification | Value |
|---|---|
| Manufacturer | SUNRACE |
| Manufacturer Part No. | CSM63.7BS0.NS1 |
| Universal Product Code | 4710944242171 |
| Invoice Description | FH CASS SUNRACE CSM63 12-28 NIK 7s |
| Shipping Weight | 0.80 lbs. |
| Package Dimensions | 6.6 x 5.65 x 1.95 |
| HTS Number | 8714.93.7030 |
| Country of Origin | TAIWAN |
| Range | 12-28t |
| Gears | 7sp |
| Cogs | 12,14,16,18,21,24,28 |
| Color | Nickel |
- 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
