Upgrade your wheelset with the EXP 54 Tooth Upgrade Kit, designed to optimize the performance and durability of your 180, 240S, 350, and 540 series hubs. Crafted with precision-engineered components, this upgrade kit enhances drivetrain efficiency and offers smoother engagement for serious cyclists and competitive riders alike. Materials & Engineering: Constructed with stainless steel and durable plastic components, the EXP 54 Tooth Upgrade Kit ensures long-lasting performance under demanding riding conditions. The kit includes a corrosion-resistant EXP spring ratchet and specialized grease, providing reliable operation and ease of maintenance. Performance & Technology: Featuring a 54-tooth star ratchet ring, this upgrade significantly improves the hub's engagement points, offering instant power transfer and responsive handling. Designed specifically for 240 series hubs, the kit optimizes gear engagement and minimizes freehub lag, making it ideal for fast-paced cross-country, trail, and endurance riding. Components & Features: - 54-tooth EXP ratchet ring for enhanced engagement - EXP spring ratchet for smooth operation - Complete set including grease, shim ring, star ratchet M30, and bearings for easy installation - Compatible with 180, 240S, 350, and 540 hubs (note: specifically designed for 240 series hubs) - Easy upgrade to increase pedal feedback and responsiveness Style & Use Case: Designed for serious riders seeking to upgrade their existing hubs, the EXP 54 Tooth Upgrade Kit is perfect for mountain biking, cyclocross, and road cycling enthusiasts looking for quicker engagement, improved power transfer, and increased reliability. Its lightweight design ensures minimal impact on your wheel's rotational mass, making it ideal for competitive scenarios and demanding terrains. Innovative & Differentiating Features: 's precision engineering in the EXP upgrade kit delivers superior hub engagement with