1、Made of high quality ABS material, solid and durable in use. 2、Easy to install with the 41cm cable, fit for 2.2cm handlebar tube. 3、Great workmanship, smooth surface and long service life. 4、Compatible with most electric bikes, electric scooters. Features: Made of high quality ABS material, solid and durable in use. Easy to install with the 41cm cable, fit for 2.2cm handlebar tube. Great workmanship, smooth surface and long service life. Compatible with most electric bikes, electric scooters. Specifications: Material: ABS Color: Black Hole Diameter: 2.2 cm / 0.9 in Cable Length: 41 cm / 16.1in Item Size: 4.4 * 2.4 cm / 1.7 * 0.9 in Package Size: 12 * 8 * 2 cm / 4.7 * 3.1 * 0.8 in Package Weight: 37 g / 1.3 oz Package List: 1 * Electric Bike Thumb Throttle 1 * Electric Bike Thumb Throttle