Price: $75.00
(as of Jun 24, 2026 16:01:03 UTC – Details)

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 -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 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 -III, Yamaha, Brose,
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 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 -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 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.

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