Carousel BB BSA SQ BB Shell width 68mm. BSA thread. JIS-square. Cr-Mo hollow axle. Aluminum cups. Item Specifications: BB/Frame Interface, British, BB Shell Width (mm), 68mm, Interface, JIS, Spindle Length, 110.5mm,

M-Wave Carousel BB BSA SQ Square Taper BB, British, 68mm, : 110.5mm

Reference Number: 4MV3EM

Enhance your bicycle's performance with the M-Wave Carousel BB BSA SQ Square Taper Bottom Bracket - the perfect choice for reliable, durable, and smooth pedaling. Designed specifically for British-style frames, this high-quality bottom bracket combines advanced materials and engineering to deliver superior efficiency during every ride.

Materials & Construction

Crafted with precision, the M-Wave Carousel BB features a lightweight yet robust aluminum cup system complemented by a durable Cr-Mo (Chromoly) hollow axle. The aluminum cups ensure corrosion resistance and lightweight performance, while the Cr-Mo axle provides exceptional strength, rigidity, and longevity for demanding cycling conditions.

Performance & Engineering

This square taper bottom bracket is engineered for seamless power transfer and smooth rotation, reducing pedal drag and enhancing pedaling efficiency. The 68mm BB shell width and 110.5mm spindle length are optimized for smooth compatibility with British (English) threaded frames, ensuring a snug fit and reliable performance across a variety of setups.

Components & Technology

Utilizing JIS-square spindle interfaces, this bottom bracket ensures compatibility with a broad range of cranksets, promoting easy installation and maintenance. The BSA threading standard guarantees secure attachment within the frame's bottom bracket shell, providing a stable foundation for your drivetrain components.

Style & Use Case

Ideal for mountain biking, road cycling, commuting, and recreational riding, the M-Wave Carousel BB combines sleek styling with durable engineering, making it suitable for both everyday cycling and performance-oriented applications. Its classic appearance complements any bike style while delivering the technical performance you require.

Innovative Features & Differentiators

The Cr-Mo hollow axle enhances strength without adding unnecessary weight, while the aluminum cups contribute to weight savings and corrosion resistance. The JIS-square interface ensures smooth engagement with a wide array of cranksets, simplifying maintenance and replacement.

Upgrade your bike with confidence-choose the M-Wave Carousel BB BSA SQ Square Taper Bottom Bracket for reliable performance, easy installation, and long-lasting durability on every ride. Perfect for cyclists seeking a high-performance, lightweight, and corrosion-resistant bottom bracket compatible with British threaded frames.

  • High-precision British BSA threaded bottom bracket compatible with JIS-square spindle for seamless integration with diverse bike frameworks.
  • Constructed with durable Cr-Mo hollow axle for enhanced strength, reduced weight, and long-lasting performance in demanding cycling conditions.
  • Features lightweight aluminum cups and high-quality materials designed for smooth rotation, optimal power transfer, and reliable performance on road, mountain, or gravel bikes.
  • Designed with a 68mm shell width and 110.5mm spindle length, providing perfect fit and compatibility with a variety of bicycle frames and cranksets.
  • Innovative engineering combines durability and efficiency, making the M-Wave Carousel BB BSA SQ an ideal choice for cyclists seeking dependable bottom brackets with easy installation and lasting performance.

Why 365 Cycles?

365 Cycles is an Authorized M-Wave Dealer, and we offer the Full M-Wave Warranty!

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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.



BTBK1024 .

Company Details

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

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