MATERIAL QUALITY:Made of premium aluminium alloy, lightweight, high strength and deformation resistance, durable for long time use.
CRANK ARE LENGTH: 170mm crank arm length without any overlap of crank arm and chain ring bolt.
SPECIFICATION:Options: Black-Square Hole; Black-Rhombic Hole; Silver-Square Hole; Silver-Rhombic Hole;Size: Approx. 21 x 4 x 3cm / 8.27 x 1.57 x 1.18in;Weight: Approx. 200-214g.
PERFECT CUTTING: Standard quality cutting of hole, which ensures perfect fit to 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.