Hi-Ten Steel Fixie Track Racing Light Weigh Bicycle Bike for Speed Enthusiasts. Durable Hi-Ten Steel Frame: Crafted from high-quality Hi-Ten steel for long-lasting durability and reliability. 5-Year Frame Warranty: Comprehensive 5-year warranty coverage specifically for the bicycle frame. Ergonomic Comfort Design: Designed to maintain proper posture and reduce strain on back and shoulders. Single Speed Simplicity: Hassle-free riding experience with minimal maintenance requirements. Track Racing Capability: Lightweight frame and responsive handling optimized for track cycling performance. Customizable Parts: Different parts can be adjusted to meet specific user requirements. Multiple Material Options: Frames available in bamboo, alloy, Hi-Ten steel, and chromoly steel. 6-Month Whole Bike Service: Dedicated after-sales service covering the entire bike for 6 months.