BOX COMPONENTS

Box Components Box Four Cassette 11-42t, Wide Ratio, HG 8/10sp BX-CS4-08A1142-BK

MSRP : $72.46
$55.74
(You save $16.72 )
In Stock
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SKU:
180230
UPC:
639266097419
Condition:
New
Shipping:
Free Shipping (2-3 Business Days)
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About The Product

  • Economical wide range gearing for the masses
  • Steel stamped cogs for improved durability and longevity
  • Wide ratio with consistent progression
  • Intended to be used with the Box Four 8sp drivetrain only - may not be compatible with other 8sp components

Upgrade Your Ride with the Box Components Box Four Cassette 11-42t - the Ultimate Wide-Ratio, 8-Speed Cassette for Off-Road and Trail Enthusiasts

Optimize your mountain or gravel bike with the premium Box Components Box Four Cassette featuring Prime 9 Technology, designed for superior durability, smooth shifting, and broad gear range. Crafted to enhance performance on rugged terrain, this wide-range cassette offers seamless gear progression and reliable engagement with HG freehub bodies, making it an excellent choice for riders seeking versatility and durability.

Materials and Engineering

Constructed with hardened steel cogs pinned to lightweight aluminum spiders, the Box Four Cassette provides exceptional strength and longevity even after extensive use. The steel components are ground and hardened for maximum durability, while the black ED protection finish adds corrosion resistance and a sleek aesthetic. Weighing just 473 grams, this cassette maintains optimal weight for demanding trail and mountain biking adventures.

Performance & Components

Featuring Prime 9 Technology, this 8-speed cassette delivers fewer gears with wider spacing, simplifying setup and enhancing chainline alignment. The innovative design ensures consistent gear progression from 11T to 42T, providing a wide ratio for tackling steep climbs and fast descents alike. Compatible with Shimano HG freehub bodies (8-11 speed), it is perfect for upgrading or customizing your bike's drivetrain for enhanced performance and reliability.

Style & Use Case

Designed with the adventurous rider in mind, the Box Four Cassette is an ideal component for mountain biking, gravel riding, and trail cycling where durability and wide gear range are essential. Its sleek black finish complements any bike style and offers a professional, high-performance look suitable for both recreational and competitive riders.

Innovative & Differentiating Features

- Wide Ratio 11-42T gear range for versatile terrain handling

- Prime 9 Technology for simplified setup and improved chainline alignment

- Steel stamped cogs pinned directly to lightweight aluminum spiders for durability

- Compatible with Shimano HG freehub bodies (8-11 speed)

- ED black finish for corrosion resistance and sleek appearance

- No spiders design for increased compatibility and maintenance ease

Enhance your cycling experience with the Box Components Box Four Cassette - engineered for durability, performance, and riding versatility. Whether ascending steep trails or cruising on gravel roads, this cassette is your perfect partner for conquering challenging terrains with confidence.

Note: Available exclusively through authorized dealers to ensure quality and warranty support.

  • Enhanced durability with steel stamped cogs pinned to aluminum spiders for reliable shifting performance and long-lasting use.
  • Optimized for HG splined Shimano and SRAM 8-10 speed freehubs, ensuring seamless compatibility across a wide range of mountain and gravel bikes.
  • Utilizes Prime 9 Technology with fewer gears and wider spacing, providing smoother gear progression, easier setup, and reduced chain wear for improved drivetrain efficiency.
  • Features an ultra-wide gear ratio from 11 to 42 teeth with consistent progression, ideal for tackling diverse terrains and challenging climbs.
  • Sleek black ED coating offers enhanced protection against corrosion and wear, combined with a lightweight design at just 473 grams for optimal cycling performance.
SpecificationValue
ManufacturerBOX COMPONENTS
Manufacturer Part No.BX-CS4-08A1142-BK
Universal Product Code639266097419
Invoice DescriptionFH CASS BOX FOUR 11-42 BK 8s
Shipping Weight1.24 lbs.
Package Dimensions9.05 x 8.85 x 2
Country of OriginTAIWAN
Range11-42t
Gears8sp
Cogs11-14-16-18-22-28-34-42
ColorBlack
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:

  • The item must be in new, unused, and uninstalled condition.

  • All original packaging, tags, hardware, and accessories must be included and intact.

  • Items showing wear, installation marks, damage, or improper use cannot be accepted.

  • 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:

  1. You will receive a Return Authorization email with instructions.

  2. Print the prepaid label provided by us. ($9.99 will be deducted from your refund)

  3. 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:

  • Electronics with opened packaging or broken manufacturer seals

  • Any part that has been installed or shows installation attempts

  • Tools or chemicals that have been opened or unsealed

  • Open‑box items with destroyed or missing packaging

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

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:

  • Alaska

  • Hawaii

  • Puerto Rico

  • 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.

  • We cannot ship hazardous materials or oversized items to military addresses due to carrier and military mail restrictions.

  • 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