Enhance the performance of your folding bike with this special tail hook speed refit derailleur from BIKERSAY. Crafted from durable aluminum alloy using CNC technology, this derailleur is designed to withstand the rigors of cycling, ensuring long-lasting performance and reliability.

Key Features:

• Constructed from high-quality aluminum alloy for strength and durability
• Suitable for most mountain bikes, road bikes, and other bike types
• Specifically used for single-speed retrofitting of rear wheels of folding bicycles
• Precision CNC technology ensures a firm and durable build
• Compact size: approximately 4.5 x 3.7 x 1.3cm

Upgrade your bike's speed and performance with the BIKERSAY WG001. Whether you're tackling off-road trails or cruising on city streets, this folding bike special tail hook speed refit derailleur is your key to a smoother and more efficient ride.