MATERIAL QUALITY: The bike left crank arm 170mm is made of premium aluminium alloy, lightweight, high strength and deformation resistance, for long time use
CRANK ARE LENGTH: 170mm crank arm length, without any overlap of crank arm and chain ring
SPECIFICATION:Options: Black-Square Hole; Black-Rhombic Hole; Silver-Square Hole; Silver-Rhombic Hole;Total Length:Approx. 20.5cm / 8.07in; Weight: Approx. 200-214g
PERFECT CUTTING: Standard precision cutting of hole, which ensures perfect fit for bike, easy to install
GUARANTEE: If you are not satisfied with our product you received, you can send emails to us at any time. We will reply you instantly and help you solve your problem