Max speed of iGPSPORT cycling computers Follow iGPSPORT 20 July 2021 01:36 Updated In this article The max speed is 99.9 km/h for iGS20E,iGS130,iGS50E,iGS10,iGS10. The max speed is 256 km/h for iGS620, iGS618 , iGS520. Related articles My iGS10 / iGS50E Shows Speed When I Stay Still How Calories are calculated in iGS50E / iGS10 ? Upgrade Firmware for iGS50E/iGS10 iGS50 / iGS10 Slope / Gradient Instructions Can I enter the ODO （odometer）manually for device iGS50E / iGS10 ? Comments 0 comments Please sign in to leave a comment.