Author Archives: David

Shimano STEPS wheel at 3000 mm: how to change wheel circumference

Shimano STEPS wheel circumference set to 3000 mm in eTuning

When a new or replacement Shimano STEPS motor is installed, it may come with a generic 3000 mm wheel circumference. That value does not match a normal e-bike wheel and can make the bike calculate speed, distance and assistance cut-off incorrectly. Although many users call it “wheel diameter”, the technical value stored in the motor […]

Shimano EP8 / EP800: regional settings and assistance speed with eTuning

The Shimano EP8 / DU-EP800 motor is compatible with eTuning to adapt the bike’s regional configuration to the country where it is used, adjust wheel circumference and modify compatible Shimano STEPS system parameters. With eTuning you can configure your EP8 / EP800 motor from Android, iPhone or Windows, using a license linked to the motor. […]