About The Product
- Alloy shell
- Alloy cups
- Chromoly spindle
- Sealed bearings
Upgrade your bike's performance with the Sunlite SL-55 Square Taper JIS 73x113.5mm Sealed Bearings English Bottom Bracket. Designed for durability, reliability, and smooth pedaling, this high-quality bottom bracket is an essential component for both casual riders and serious cyclists.
Materials & Construction
Crafted with an sturdy alloy shell and alloy cups, the Sunlite SL-55 offers excellent corrosion resistance and longevity. The chromoly spindle enhances strength and stiffness, providing efficient power transfer during each pedal stroke. The sealed bearings protect against dirt, water, and debris, ensuring consistent performance in various riding conditions.
Performance & Engineering
Engineered for precise fit and reliable operation, this bottom bracket features standard JIS (Japanese Industrial Standard) threading, compatible with many 68mm or 70mm shells. The sealed bearing design minimizes maintenance needs while maximizing smoothness and efficiency, making it ideal for daily commuting, mountain biking, or recreational riding.
Components & Technology
Equipped with sealed bearings, the Sunlite SL-55 reduces friction and prevents contamination, extending the lifespan of the bottom bracket. The chromoly spindle offers a lightweight yet robust solution, optimizing power transfer without adding unnecessary weight.
Style & Use Case
With its sleek alloy finish, the Sunlite SL-55 complements a wide range of bikes, including road, mountain, and hybrid models. Its straightforward design makes it suitable for installation on various bike frames, offering a reliable upgrade to improve pedaling efficiency and ride quality.
Innovative & Differentiating Features
The combination of alloy shell and cups, along with sealed bearing technology, sets the Sunlite SL-55 apart from basic bottom brackets. It delivers high performance at an affordable price point, making it an excellent choice for riders seeking durability and smooth operation.
Key Specifications:
- Shell Width: 73mm
- Spindle Length: 113.5mm
- Materials: Alloy shell, alloy cups, chromoly spindle
- Sealed bearings for protection against elements
- Compatible with JIS threaded bike frames
Invest in the Sunlite SL-55 Square Taper Bottom Bracket for a seamless cycling experience, enhanced power transfer, and long-lasting performance. Perfect for upgrading your current bike or building a new ride from the ground up!
- High-quality alloy shell and cups deliver durability and corrosion resistance, ensuring long-lasting performance in all riding conditions.
- Engineered with a precision chromoly spindle for enhanced power transfer, optimizing pedaling efficiency and responsiveness on the bike.
- Includes sealed bearings that provide smooth operation, reduce friction, and protect against dirt and moisture, increasing lifespan and maintenance intervals.
- Designed for Shimano square taper JIS 73x113.5mm frames, offering universal compatibility for a wide range of bicycles.
- An ideal choice for road, mountain, and hybrid bikes seeking reliable, high-performance bottom brackets with a sleek, lightweight aluminum construction.
| Specification | Value |
|---|---|
| Manufacturer | SUNLITE |
| Universal Product Code | 072774171507 |
| Invoice Description | BB SET SUNLT SL55 73x113.5 SQ ALY-CUP ENG SEALED BRG |
| Shipping Weight | 0.61 lbs. |
| Package Dimensions | 6.4 x 1.75 x 1.75 |
| HTS Number | 8714.96.5000 |
| Country of Origin | TAIWAN |
| Shell | 73mm |
| Interface | ENG |
| Spindle Type | SQR JIS |
| Length | 113.5mm |
| Cup Material | Alloy |
| Weight | 290-300g |
- 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