About The Product
- 8-speed cassette
- Super Fluid Drive™ technology
- Steel cogs and lock ring
- ~ 250g
- SHIMANO Equivalent CS-HG70I / CS-HG51 / CS-HG50
Upgrade your bike's shifting performance with the Sunrace CS-R86 12-25T 8-Speed Cassette, engineered for smoothness, durability, and optimized gear range. Designed for versatile riding, this high-quality bicycle cassette combines advanced materials and innovative technology to enhance your cycling experience, whether you're conquering city streets or tackling mountain trails.
Materials & Construction:
Constructed with hardened steel cogs and a robust lock ring, the Sunrace CS-R86 cassette ensures exceptional durability and wear resistance. Its lightweight design (~250g) makes it ideal for riders seeking performance without added weight, maintaining optimal agility and efficiency on every ride.
Performance & Engineering:
Featuring Super Fluid Drive technology, this cassette delivers ultra-smooth shifting and minimal drivetrain friction. The precise engineering ensures quick, reliable gear changes, enhancing control and confidence across varied terrain.
Components & Technology:
This 8-speed cassette spans a wide gear range (12-25 teeth) with cogs sized at 12, 13, 15, 17, 19, 21, 23, and 25 teeth, providing ideal gear ratios for climbing, acceleration, and cruising. Its design is compatible with Shimano HG freehub bodies, matching models like CS-HG70I, CS-HG51, and CS-HG50, ensuring seamless integration with your existing drivetrain components.
Style & Use Case:
Perfect for mountain biking, hybrid riding, and recreational cycling, the Sunrace CS-R86 offers a versatile gear setup suitable for both steep climbs and fast descents. Its sleek, steel construction pairs well with a rugged aesthetic, making it a reliable upgrade for cyclists seeking durability and performance in one package.
Innovative & Distinguishing Features:
- Advanced Super Fluid Drive technology for superior shifting accuracy
- Steel cogs for maximum longevity and impact resistance
- Lightweight design optimal for performance-oriented riders
- Compatible with a broad range of Shimano HG freehub bodies
Boost your bike's drivetrain with the Sunrace CS-R86 12-25T 8-Speed Cassette - engineered for durability, precision, and versatile performance. Experience effortless shifting and ride with confidence on every adventure.
- High-performance 8-speed cassette designed for mountain biking and road cycling, offering smooth and precise gear shifts across a 12-25t range for versatile riding conditions.
- Constructed with durable steel cogs and lock ring, ensuring long-lasting performance and resistance to wear in demanding riding environments.
- Featuring SunRace's innovative Super Fluid Drive technology, which provides enhanced power transfer, reduced drivetrain friction, and ultra-smooth shifting.
- Compatible with Shimano 8-speed drivetrains, making it an excellent upgrade or replacement for Shimano CS-HG70I, CS-HG51, or CS-HG50 cassette models for seamless integration.
- Lightweight design at approximately 250 grams, optimizing bike weight for improved efficiency and performance on both mountain trails and road rides.
| Specification | Value |
|---|---|
| Manufacturer | SUNRACE |
| Manufacturer Part No. | CSR86.8BQ0.NS1 |
| Universal Product Code | 4710944242195 |
| Invoice Description | FH CASS SUNRACE CSR86 12-25 NIK 8s |
| Shipping Weight | 0.78 lbs. |
| Package Dimensions | 6.55 x 5.65 x 1.95 |
| HTS Number | 8714.93.7030 |
| Country of Origin | TAIWAN |
| Range | 12-25t |
| Gears | 8sp |
| Cogs | 12,13,15,17,19,21,23,25 |
| 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
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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
