ZTTO Crank Arm Bolt

Material: Aluminum
Size: M18/M19/M20
Weight: 8.3g

Made of high quality aluminum alloy, durable and long-lasting color.
Ultralight, only 8.3g of the weight.
The crank arm bolt is solid and durable with a long service time.
It will not fade with a beautiful finish.
Fit for most of bicycles, easy to install.