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Who should I contact in case of problems with the electronics on my Racer S?

Your authorised Kettler dealer or Kettler Service at

Why can I not train at 1,000 watts with the Racer S, even though this is supposedly possible?

This functionality is enabled in the gearing mode/rpm-dependent mode and the app’s RPM mode.

Can I use the Racer S with World Tours 1.0 (KWT)?

Yes, after an update subject to charge (item: 07926-990) of KWT 1.0. This is available from your authorised Kettler dealer.

Which Q factor does the Racer S have?

Crank arm inner dimensions: 175 mm, crank arm outer dimensions: 200 mm

Can I attach my own pedals?


How large can my handlebar be for it to be compatible?

The clamp bracket is 31.8 mm. Other handlebars can only be used with commercially available adapters. Please contact your authorised dealer for more information.