Our one-speed bicycle freewheel made of high-quality metal, corrosion-resistant, high-performance, and durable. The rotation is smooth without excessive noise; the high-precision internal thread ensures a close connection with the bicycle hub and runs smoothly. It provides fast riding speed and reduces the amount of work required. Small size, easy to install on the bicycle.

Feature

• 100% Steel
• Teeth: 18T. Weight: 168g (5.92oz). Chain Compatibility: 1/2″ x1/8″.
• Inner diameter: 34.1mm(0.05mm). Thread pitch: 1.375mm
• Cog Material: High tensile steel. The internal thread has high precision, smooth rotation, and easy maintenance.
• Easy to Install: Freewheel lightweight and compact. Easy to be removed or installed by freewheel tools.
• Compatibility: Shimano and SRAM transmission system. Compatible with standard threaded bicycle rear hub. Suitable for single-speed bikes or tricycles.