front or rear for E-Scooter TRITTBRETT Kalle & Emma 8,5″ Tyre All-season Product description Say goodbye to flat tyres! With the new Honeycomb replacement tyre for the TRITTBRETT E-Scooters Kalle and Emma, flat rear tyres are a thing of the past. The honeycomb design makes the tyre extremely tough, stable and comfortable. Attention: This spare tyre is only for the rear wheel of the TRITTBRETT Kalle and Emma models. It’s difficult to mount the tyres yourself. So either you are practiced or you go to an expert. Proven tools are: Tyre fitting spray or Vaseline Warm up in hot water Soapy water