MEIJUN 1Pair Bike Crank Arms 170mm Bicycle Aluminum Alloy Single Crank Set Five Claw Crank Arm Set Bicycle Repair Parts BCD 130mm for MTB, Road Bike

• Premium Quality: This bike crank arm is made of high-quality aluminum alloy material, which is sturdy and durable in use. It is not easily damaged and deformed, has reliable quality, and ensures high strength for long-lasting usage
• Exquisite Workmanship: The 170mm crank arm adopts standard precision machining, which ensures ultimate chain retention, increases service life, and reduces friction and noise
• Excellent Performance: The 170mm bike crank arm is lightweight, which adds no heaviness to your bike. 170mm crank arm length without any overlap of the crank arm and chain ring bolt
• Universal Fitment: The bicycle crank arm is a good replacement for bike repair, and is compatible with many bike models. Supports single-disc and two-piece road discs
• 130BCD Centre Distance: 130BCD means that the diameter of the circle formed by the center of the 5 pegs is 130mm, and the distance from the center of the pegs to the center of the shaft is 65mm

Specifications: 

• Brand: MEIJUN  
• Material: aluminum alloy
• Crank length: 170mm
• Weight: a pair of 520g
• Centre distance: 130BCD 
• Applicable center shaft: 107-110mm
• Foot diameter: 9/16 (approx. 14.2mm)