About The Product
- Prime 9 Technology is a counter-intuitive philosophy based on the less is more theory - it embraces range without adding complexity
- Same great functions as the Box One version with more affordable materials
- Glass fiber/nylon composite, steel and aluminum alloy construction
- Die cast top shell with a hinged extruder clamp
- 2 piece pull level offers up to 3 gears per shift
- Hardened alloy steel hardware
Upgrade your mountain biking and trail riding with the BOX Two Prime 9 Shifter - 9-Speed, Multi Shift, Matte Onyx, engineered to deliver precision, durability, and seamless gear transitions. Designed for serious enthusiasts and dedicated riders, this high-performance shifter leverages innovative Prime 9 technology to simplify shifting mechanics while providing a broad gear range comparable to 12-speed systems.
Materials & Construction
Constructed with a robust diecast top shell, the BOX Two Prime 9 features a sleek Matte Onyx finish that resists scratches and corrosion for long-lasting performance. The extruded clamp ensures secure attachment to your handlebars, while the stainless braided low-friction cable guarantees smooth, responsive shifts under any riding conditions.
Performance & Engineering
Equipped with Prime 9 technology, this 9-speed shifter offers the same gear range as a 12-speed drivetrain, reducing the complexity of shifting while maintaining a wide gear spectrum ideal for varied terrains. Its multi-shift lever allows riders to shift up to three gears at once, making quick adjustments during aggressive climbs or descents. The fast-action lever provides precise, reliable shifting, enhancing rider control and confidence on technical trails.
Components & Technology
The shifter's innovative multi-shift capability simplifies gear changes, significantly reducing the chance of bent teeth and broken chains during intense rides. Compatible with the BOX Prime 9 rear derailleurs, this shifter is optimized for MTB, eMTB, and gravel bike applications, providing optimal compatibility and performance. Its lightweight design (127 grams) ensures minimal handlebar weight, adding to your bike's agility and responsiveness.
Style & Use Case
With its sleek Matte Onyx finish, the BOX Two Prime 9 shifter adds a modern, professional look to your mountain bike setup. Perfect for enduro, trail riding, and eMTB applications, this shifter offers effortless gear management across demanding terrains. Whether you're tackling technical climbs or fast descents, the BOX Prime 9 enhances your riding experience with smooth, reliable shifting and durable components.
Innovative & Differentiating Features
- Multi-shift lever allows shifting multiple gears simultaneously (up to 3), perfect for quick terrain changes
- Prime 9 technology provides a wide gear range with fewer shifts, improving efficiency and reducing rider fatigue
- Diecast top shell with hinged and extruded clamp for secure fit and durability
- Stainless braided low-friction cable for enhanced shift response and longevity
- Limited lifetime warranty offers peace of mind for demanding riders
Specifications
- Compatibility: BOX Prime 9 rear derailleurs
- Gears: 9-speed
- Shifter Style: Thumb
- Color: Matte Onyx/Black
- Weight: 127 grams
- Rear/Front: Rear shifting
- Model Name: Two Prime 9 Multi Shift
Elevate your mountain biking performance with the BOX Two Prime 9 Shifter - engineered for precision, durability, and effortless shifting in the most demanding conditions. Available exclusively through authorized dealers.
- Efficient Prime 9 technology delivers smooth, reliable 9-speed shifting with a simplified gear range, reducing shift errors and enhancing durability on mountain bikes and eMTBs.
- Multi-shift functionality allows riders to change up to three gears simultaneously, providing quick, intuitive gear changes for versatile riding styles and varying terrains.
- Constructed with durable diecast top shells and extruded clamps, the BOX Two Prime 9 shifter ensures robust performance and long-lasting reliability in demanding trail conditions.
- Designed with a sleek matte Onyx finish, this thumb-shift lever complements any mountain bike aesthetic while offering fast, precise shifting performance for technical climbs and rapid descents.
- Innovative features include a stainless braided low-friction cable and a hinged clamp for easy installation, making it an ideal upgrade for riders seeking a high-performance, maintenance-friendly shifter with a limited lifetime warranty.
| Specification | Value |
|---|---|
| Manufacturer | BOX COMPONENTS |
| Manufacturer Part No. | BX-SH2-P9AMS-BK |
| Universal Product Code | 639266097266 |
| Invoice Description | SHIFTER BOX TWO PRIME 9 MULTI 9s RH BK |
| Shipping Weight | 0.44 lbs. |
| Package Dimensions | 5.2 x 3.65 x 4 |
| Country of Origin | CHINA |
| Left/Right/Pair | Right |
| Speeds | 9sp |
| Ratio | 2 to 1 |
| Color | Blk |
- 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