Bicycle Calibrator USB Charging Bicycle Handlebar Saddle Calibration Device Multifunctional Bicycle Maintenance Accessories Bicycle Handlebar Saddle Calibration Device USB Charging Bike Handlebar Saddle Calibrator 180mAh Bicycle Maintenance Accessories Features: 1.Precision Alignment: Effortlessly mount the bicycle handlebar saddle positioner at the center of the handlebars; when the light aligns with the tire's center, you've achieved the perfect adjustment. 2.Versatile Use: Designed for multi-purpose adjustments, this bicycle calibrator is your go-to for aligning handlebars, saddles, and more, ensuring your bike is set up for optimal performance. 3.Durable Construction: Built to last, this bicycle handlebar saddle calibration device withstands the rigors of regular use, providing a reliable solution for maintaining your bike's alignment over time. 4.USB-C Charging: Conveniently rechargeable via a USB Type C connection, this bike handlebar saddle calibrator ensures you're always ready for quick and easy bike adjustments without the hassle of disposable batteries. 5.Effortless Setup: Say goodbye to the guesswork and strain of aligning saddles and handlebars by eye; this handlebar saddle positioner simplifies the process, ensuring a straight and comfortable ride every time. Specification: Origin: Mainland China Main Material: ABS Color: Black Size: Approx. 11cm (4.33in)*7.6cm (2.99in)*5cm (1.97in) Gross Weight: Approx. 125g Charging Type: Type-C Battery Type: Built-In Polymer 180mAh Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 1*Bicycle Handlebar Saddle Positioner