Premium 170mm Bike Crank Arm Replacement For Easy Installation

Feature: \n 1. Made of premium aluminium alloy, lightweight, high strength and deformation resistance, durable for long time use\n2. Fine polish and great paint, colorfast and stylish\n3. Standard precision of hole, which ensures perfect fit to bike, easy to install\n4. 170mm crank arm length without any overlap of crank arm and chain ring bolt\n5. A nice replacement for bike repair, compatible with many bike models \n\nSpecification: \nFeatures:\n\n--\n\nMade of premium aluminium alloy, lightweight, high strength and deformation resistance, durable for long time use. \n\n--\n\nFine polish and great paint, colorfast and stylish. \n\n--\n\nStandard precision of hole, which ensures perfect fit to bike, easy to install. \n\n--\n\n170mm crank arm length without any overlap of crank arm and chain ring bolt. \n\n--\n\nA nice replacement for bike repair, compatible with many bike models. \n\nSpecification:\n\nMaterial: Aluminium Alloy\n\nOptions: Black-Square Hole; Black-Rhombic Hole; Sil: