"Foldable" mainly works on broken protection when the bike going to crash, it can fold up automatically to decrease the least the damage to your bike. And then, "Extendable" runs on the function of personal preference settings, you can adjust the length according to your preference, longer or shorter. Brand new and very easy installation. Awesome appearance, this levers obviously giving your bike extremely cool modifications! High quality aluminum CNC finish Color: 13 Colors in options Package including brake lever and clutch lever Fully 6 positions adjustable Extendable: 3cm (15.8cm extend to 18.8cm) Foldable: 90 degrees Perfect fit and no modification is needed, no install instructions included. Fitment: GSXR750 2011-2018 GSXR600 2011-2018 GSXR1000 2009-2018 ( Please Ensure This Part Fits compatible for Your Motorcycle Becompatible for e order ) package: 1 pair brake clutch levers The product will firstly be lasered with logo and then CNC-machined , so it would not easily fade, which prolongs its service life, making it, as a whole, a product with high quality. There are six grades on adjusting the distance and the end part could be extented. The middle part could be folded, which is very user-friendly because this would prevent the product itself from directly touching the ground when the motorcycle inclines.