6Pcs MTB Mountain Bike Square Hole Center Shaft Crank Screw Bicycle Accessories
- Wonderful accessory for mountain bike.
- Light weight, easy to install and use.
- Made of high quality materials, anti-rust, strong corrosion resistance, high strength and stability.
- It can effectively prevent water,sand,dust from entering the middle shaft and improve the service life of the center shaft.
- Applicable for any square hole center shaft crank.
