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 […]

How to derestrict Shimano EP8 / EP800 with eTuning

The Shimano EP8 / DU-EP800 motor is compatible with eTuning for changing the region, adjusting wheel circumference and modifying 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. You do not need to install physical chips or […]