Machined aluminum shell threads together for precise bearing alignment and frame fit, reducing bottom bracket creaking and premature bearing wear.

Replaceable Enduro bearings. Made in the USA. ABEC-3 sealed bearings. Grade 10 chromium steel balls, 52100 High Carbon Chromium Alloy Races.

Item Specifications: Weight, 127, BB/Frame Interface, BB30, Spindle Interface Type, FSA MegaExo, Spindle Interface Type, FSA MegaExo Light, Spindle Interface Type, RaceFace EXI, Spindle Interface Type, Hollowtech II, BB Shell Width, 68, BB Shell Width, 73, Defined Color, Black, Bottom Bracket Shell I.D., 42,

HT II Outboard BB30 Bottom Bracket - High-Performance Sealed Bearings, Machined Aluminum Shell

Reference Number: 9N43C5

Upgrade your bike's performance with the Wheels Manufacturing HT II Outboard ABEC-3 Bearings BB30 Bottom Bracket - the perfect choice for serious cyclists seeking durability, precision, and smooth power transfer. Crafted with high-quality materials and advanced engineering, this bottom bracket ensures optimal performance across diverse riding conditions.

Premium Materials & Construction

Built with a machined aluminum shell, the Wheels Manufacturing BB30 Bottom Bracket provides a lightweight yet robust framework, ensuring a precise fit with your frame's bottom bracket shell. The sealed ABEC-3 bearings feature Grade 10 chromium steel balls and 52100 high carbon chromium alloy races, delivering exceptional durability, corrosion resistance, and reduced friction for a smoother ride. The replaceable Enduro bearings make maintenance effortless, extending the lifespan of your bottom bracket and saving you time and money.

Performance & Engineering Excellence

Designed for optimal bearing alignment, the machined aluminum shell threads directly into your frame, effectively reducing creaking and preventing premature bearing wear. This engineering mastery guarantees consistent power transfer and enhanced pedaling efficiency, even on demanding climbs or long-distance rides. Compatibility with BB30 frame standards provides a versatile solution for a wide range of high-performance road and mountain bikes.

Versatile Components & Advanced Technology

This bottom bracket features a spindle interface compatible with Hollowtech II, FSA MegaExo, FSA MegaExo Light, and RaceFace EXI, making it a flexible choice for various drivetrain setups. The sealed bearing design ensures protection from dirt, water, and debris, maintaining peak performance in all riding environments. At just 127 grams, it offers a lightweight upgrade that doesn't compromise strength.

Stylish & Practical Use Case

Finished in sleek black, the Wheels Manufacturing HT II Outboard ABEC-3 Bearings BB30 Bottom Bracket is designed for cyclists who demand reliability, precision, and a clean aesthetic. Perfect for road cyclists, mountain bikers, and gravel riders seeking an upgrade that enhances ride quality while ensuring compatibility with BB30 frames.

Key Features & Benefits:

- Machined aluminum shell for perfect bearing alignment and frame fit

- ABEC-3 sealed bearings with Grade 10 chromium steel balls and high-carbon alloy races for durability and smoothness

- Replaceable Enduro bearings for easy maintenance

- Compatible with BB30 shells (42mm and 68/73mm widths) and various spindle interfaces

- Made in the USA, ensuring quality craftsmanship and reliability

- Lightweight (127g) for optimized performance without added weight

Upgrade your cycling experience with the Wheels Manufacturing HT II Outboard ABEC-3 Bearings BB30 Bottom Bracket - engineered for durability, precision, and superior power transfer. Perfect for riders seeking a high-performance, long-lasting bottom bracket designed to keep you riding smoothly mile after mile.

  • High-precision machined aluminum shell ensures a secure, frame-specific fit to minimize creaking and extend bottom bracket lifespan.
  • Equipped with sealed ABEC-3 bearings featuring Grade 10 chromium steel balls and 52100 high carbon chromium alloy races for superior durability and smooth rotation under high loads.
  • Designed with replaceable Enduro bearings, allowing for easy upgrades and maintenance to keep your bike performing at its best mile after mile.
  • Compatible with Hollowtech II, FSA MegaExo, and RaceFace EXI spindle interfaces, providing versatile use across a wide range of road and mountain bike frames.
  • Made in the USA with advanced engineering to deliver reliable performance, corrosion resistance, and optimal power transfer for serious cyclists seeking longevity and efficiency.
Item Specifications
Bottom Bracket Shell I.D.42
BB/Frame InterfaceBB30
BB Shell Width (mm)68
BB Shell Width (mm)73
Weight127
Spindle Interface Type Hollowtech II
Spindle Interface TypeFSA MegaExo
Spindle Interface TypeFSA MegaExo Light
Spindle Interface TypeRaceFace EXI
Defined ColorBlack
keyword searchSuggested Order
Bottom Bracket Shell I.D.BB30
BB Shell Width (mm)68/73mm
Bearing TypeABEC 3
Crank Spindle Diameter24mm
InterfaceBB30
Bottom Bracket Shell I.D.42mm
Defined ColorBlack
ShellBB30
ColorBlack
Model NameBase
Spindle Interface24mm
Shell ID42mm
Width68/73mm

Why 365 Cycles?

365 Cycles is an Authorized Wheels Manufacturing Dealer, and we offer the Full Wheels Manufacturing Warranty!

Fast Shipping!

Professional Customer Service- available 7 days a week
Check out our 200,000+ amazing reviews!

365 Cycles delivers all your cycling needs fast! We don't waste time preparing your order. Our priority is to serve our customers first and foremost. If you need help picking the right product, have questions about bike component compatibility, or just want to geek out about bikes we are here 7 days a week! Simply put, we are bike experts from dirt to tarmac and want to make sure you get the full 365 Cycles experience when you shop with us.

At 365 Cycles our mission is to simplify the shopping experience. We want to get you the right product in a quick time frame and be here if you need help with questions, warranty, friend to talk to, etc.

We’re dedicated to building lasting relationships with our customers, communities, and team members. We combine the knowledge and service of a traditional bicycle shop with the convenience of shopping in your own home.





Shipping & Handling

Most orders placed during the workweek before 1:30 pm EST ship the same day, but in rare cases (peak season/holiday periods) handling time can take up to 48 hours. If you have questions regarding shipping estimates, please let us know prior to placing your order. There is a direct signature requirement for all orders over $500.

Please allow 1-2 business days for your order tracking to update.

  • Cut off for SAME DAY SHIPPING- 1:30 pm EST Monday - Friday
  • Friday afternoon -Sunday orders ship the following Monday
  • Due to carrier restrictions orders shipped to: PO Box, HI, AK, & PR 365 Cycles may use a comparable service to what was selected.

Combined Shipping Discounts

To offer customers savings on shipping, we offer discounts when shipping multiple items from our store. We cannot issue refunds on shipping once an order is finalized so please follow the 5 steps below and ask if you are having trouble with the discount before you make a purchase.

  1. Be sure you are using the US site: https://www.ebay.com
  2. Select Add to Cart (instead of Buy It Now) with items from our store 365Cycles
  3. Click on Proceed to Checkout. On the checkout page, the shipping service on each line item needs to match
  4. Compare First Class vs Priority as sometimes Priority can be cheaper and it gets to you faster!
  5. You’ll need to change the shipping method to Priority on every item in your cart before the rate can be calculated.

Returns

365 Cycles offers returns for 30 days on new items in their original, intact packaging. Return shipping for ALL orders are to be paid by the buyer. Please be sure to read our return policy entirely and if you have any questions, please contact Customer Service.

Full refunds are issued on items that are brand new and we are able to resell as new. 365 Cycles reserves the right to deny returns that are outside of policy including, but not limited to, used items, items missing original packaging, items with damaged manufacturer packaging, or international orders. Return orders must be shipped in a box or bubble mailer. Items shipped without an outer box will incur a restocking fee. You will be contacted through eBay if your return is ineligible for a full refund.

Returns must be initiated within 30 days from purchase date through your Purchase History under My eBay.

If we make an error in shipping, please contact us -- we will ship out the correct item and provide a free prepaid return label as quickly as possible!

Exchanges

If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately and, in the meantime, please initiate a return through eBay on the original item and return it. We will refund for the returned item once it is received back.



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Company Details

365 Cycles
1180 Enterprise Rd
East Petersburg, PA 17520
United States

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