CHAINRING EBIKE CONNEX f/BOSCH-III/YAMAHA/BROSE/BAFANG NARROW-WIDE 104mm 38T 4B BK104mm - 4 bolt E-bike Narrow/Wide chainrings for use with Bosch-III, Yamaha, Brose and Bafang E-bike drivetrains. High quality hardened construction offers a better than original replacement/upgrade. Black KTL coating. Item Specifications: Mount Compatibility, 104mm 4-bolt, Tooth Type, Narrow/Wide, Teeth, 38T,

Connex E-Bike Sprocket 38T 104mm 4-bolt Black

Reference Number: 3PD3MN

Upgrade your electric bike's drivetrain with the Connex E-Bike Sprocket 38T 104mm 4-Bolt in Black - a high-performance, durable, and sleek component designed for serious cyclists seeking reliability and optimized shifting. Built specifically for compatibility with Bosch-III, Yamaha, Brose, and Bafang e-bike systems, this 38-tooth narrow/wide chainring enhances power transfer and drivetrain efficiency across a wide range of E-bike models.

Materials & Engineering:

Manufactured from high-quality hardened steel, the Connex E-Bike Sprocket ensures superior strength, resilience, and longevity under demanding riding conditions. Its robust construction surpasses original factory standards, providing an upgraded solution that withstands wear, impact, and corrosion. The black KTL coating not only adds a sleek, professional appearance but also offers resistance to corrosion and scratches, keeping your sprocket looking new-mile after mile.

Performance & Components:

Designed with precision engineering, this 104mm 4-bolt narrow/wide chainring guarantees a secure, slip-free chain engagement, crucial for maintaining consistent power delivery on rugged terrains or urban commutes. The 38-tooth configuration strikes an ideal balance between acceleration and top speed, making it perfect for trail riding, mountain biking, or daily commuting. Its compatibility with popular E-bike drivetrains ensures rapid installation, seamless integration, and dependable performance.

Style & Use Case:

Featuring a sleek black finish, the Connex sprocket complements any E-bike aesthetic while providing high functionality. Whether you're upgrading your existing setup or building a custom E-bike build, this sprocket is tailored for riders who demand durability, efficiency, and style. Its narrow/wide tooth design minimizes chain drops, enhancing safety and reducing maintenance-ideal for trail, urban, or cross-country cycling.

Innovative & Differentiating Features:

- Compatible with Bosch-III, Yamaha, Brose, and Bafang E-bike systems for versatile application.

- Hardened construction with premium black KTL coating for added durability and corrosion resistance.

- Precisely engineered for smooth, reliable shifting and optimal power transfer.

- Easy 4-bolt mounting system ensures secure fit and straightforward installation.

Enhance your E-bike's performance with the Connex E-Bike Sprocket 38T 104mm 4-Bolt Black - the perfect upgrade for serious cyclists looking for reliability, efficiency, and style. Optimize your ride today with this high-quality, engineered sprocket built to elevate your cycling experience.

  • Enhanced Power Transfer and Efficiency with a 38T Narrow-Wide Tooth Profile, optimized for optimal chain retention and smooth shifting performance on E-bike drivetrains.
  • Constructed from high-quality hardened steel, ensuring durability, long-lasting performance, and superior resistance to wear and impact under demanding riding conditions.
  • Compatible with a wide range of E-bike systems including Bosch-III, Yamaha, Brose, and Bafang, featuring a 104mm 4-bolt mounting pattern for versatile fitment and easy installation.
  • Sleek black KTL coating provides corrosion resistance, a stylish matte finish, and increased lifespan, even in harsh weather environments.
  • Designed as a premium replacement or upgrade, this E-bike sprocket enhances drivetrain reliability, improves power efficiency, and maintains a low-profile, stylish look ideal for both urban and trail riding.

Why 365 Cycles?

365 Cycles is an Authorized Connex Dealer, and we offer the Full Connex 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.



EBCS0094 .

Company Details

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

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