VG SPORTS Bicycle Lightweight Wear -Resistant Flywheel 9 Speed Mountains 11-40T

This item is a bicycle chain designed for 9-speed mountain bikes. It is lightweight and wear-resistant, suitable for everyday use.

• Product type: Bicycle Chains & Rounds
• Compatibility: 9-speed Mountain Bikes
• Material: Aluminum Alloy
• Key feature: Lightweight and wear-resistant
• Intended use: Everyday use
• Easy to install, not easy to rust
• CNC precision machining, high hardness, wear-resistant and durable
• Smooth speed change, one-piece molding
• High-strength aluminum alloy construction
• Weight: 578g
• 11-40T gear ratio
• Vacuum plating, anti-oxidation protective film
• Arc transitions between teeth to avoid sediment accumulation