Upgrade your bike's rear wheel compatibility with the EXP QRx135mm QR End Cap Kit, designed specifically for MS 12-speed rear hubs. Engineered with precision and ease of maintenance in mind, these high-performance end caps are an essential upgrade for serious cyclists and bike shop technicians seeking reliable component adaptability. Materials & Construction: Crafted from high-strength, lightweight materials, the EXP QR End Cap Kit ensures durability under demanding riding conditions. Precision-machined from alloy, these end caps provide a secure fit while minimizing weight, contributing to a sleek, responsive ride. Performance & Engineering: Refined for seamless disassembly, these end caps facilitate quick wheel removal and replacement, significantly reducing service time. Compatible with all 180, 240, 350, and 370 series rear hubs, the end caps provide a versatile solution whether you're upgrading or performing routine maintenance on your bike's drivetrain. Components & Technology: Designed with 's renowned Ratchet EXP technology, the end caps support 12-speed cassette compatibility, ensuring a smooth and reliable power transfer. The quick-release (QR) design allows for efficient installation and removal, making it ideal for wheel upgrades, transport, or maintenance. Style & Use Case: With a sleek, minimal profile, these end caps blend seamlessly with your existing hub setup, maintaining aesthetic integrity while enhancing functionality. Perfect for mountain biking, gravel riding, and road cycling, the EXP QRx135mm QR End Cap Kit ensures your rear wheel is adaptable to various frame configurations and riding styles. Innovative & Differentiating Features: Refined for easier disassembly, these end caps simplify wheel maintenance, saving you time and effort. Compatibility across multiple hub series makes them a versatile choice for bike shops and enthusiasts looking to upgrade or convert their rear wheel system efficiently. Note: So