DSTECHBAR 7 Speed Bicycle Freewheel 14-28 T Road Compatible with Gear Cycle 21 Speed Bicycle Brake Disk

1. Speeds: 7 Speed, 14-28 Teeth: 14-16-18-20-22-24-28T, Weight: 435 gm. 2. Cog Material: High tensile steel. The internal thread has high precision, smooth rotation and easy maintenance. 3. Easy to Install: This freewheel characterized by smooth rotation without much noise. High precision internal thread ensures close connection with bicycle hub. 4. Unique Sprocket: The sprocket combines a specially positioned shift ramp and tooth profile to improve chain control during shifting. 5. Compatibility: Shimano and SRAM transmission system. Compatible with standard threaded bicycle rear hub. Suitable for MTB, BMX, E-bike, hybrid bike, fat bike, cruiser bike and so on.