Thinvik 6/7/8 Bike Speed Freewheel 14-28T/14-34T/13-34T,Bicycle Freewheel,Multiple Freewheel,Bike Sprocket

Thinvik speed freewheel is 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.

• Compatible with Shimano and SRAM transmission system standard threaded bicycle rear hub. Suitable for MTB, BMX, E-bike, hybrid bike, fat bike, cruiser bike
• SUPERB MATERIAL. The Speed Freewheel is made of high-grade metal and has undergone special processing.Corrosion resistance,good heat resistance,and long service life.The Cog is made of high tensile steel. The internal thread has high precision, smooth rotation and easy maintenance
• UNIQUE SPROCKET. The sprocket combines a specially positioned shift ramp and tooth profile to improve chain control during shifting
• APPLICATION. The internal thread has high precision,which can ensure the close connection with the bicycle hub and stable rotation
• EASY TO USE. Easy to operate and low noise.It is suitable for mountain bikes,folding bikes and other common bicycles on the market