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1、[Durable] The Al7075 aluminum alloy crankshaft is made of aluminum alloy, which is durable and has a long lifespan. 2、[Long Lifespan] Double silicone sealing rings are installed at the port at the bottom of the bottom bracket. Prevents contamination, extends lifespan, and is easy to install. 3、[Protective Effect] The screw system can protect the bicycle frame and provide more power, which is better than the central axle in conventional design. 4、[Important Accessories] An important accessory for the bicycle, which supports the stable operation of the bicycle. 5、[Stable Rotation] Easy to install, stable rotation, convenient installation and use, and better silence.
Item Type: Crankshaft
Material: Aluminum Alloy
Outer Diameter: Approx. 47 mm / 1.9 inches
Inner Diameter: Approx. 29 mm / 1.1 inches
Crankshaft Shell: Built-in approx. 86 mm / 3.4 inches, approx. 92 mm / 3.6 mm
1 x Crankshaft
2 x Washer
Customers are our top priority. If you find any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best customer service.