Feature Highlights: 1. Perfect Fit for BCD 104mm – Specifically designed for BCD 104mm chainrings and compatible with 30-speed bicycles. Please note: Not suitable for 20-speed bikes. 2. Wide Compatibility – Fits chainrings ranging from 32T to 36T, offering versatile use for various riding setups. 3. Durable Aluminum Alloy Build – Made from strong yet lightweight aluminum alloy, providing reliable protection against impacts and scratches. 4. Easy Installation – Comes as a set of two chain guard covers that are simple to mount, with no extra tools required. 5. Sleek Black Finish – Features a clean, low-profile black color that blends well with most bike styles. Product Details: This aluminum alloy chain guard is built to protect your bicycle's chainring from bumps, debris, and everyday wear. Its sturdy construction ensures long-lasting performance without adding unnecessary weight. The guard is easy to install and fits securely on BCD 104mm chainrings, making it a practical upgrade for 30-speed bikes. Ideal for riders who want to keep their drivetrain clean and protected during off-road or urban cycling. Specifications: - Material: Aluminum Alloy - Color: Black - Size: Suitable for 32T–36T chainrings - Compatibility: BCD 104mm, for 30-speed bicycles (not for 20-speed) - Package Includes: 2 × Chain Guard Covers Note: Slight color variations may occur due to lighting and screen differences. Minimal size tolerance of +/- 1–3cm is possible.