Impressions of cassette... get a new one? 😳

[Anna]

Life happens while making other plans... I try to clean and grease my chain fairly often but on closer inspection today I noticed the irregular shape of these ‘teeth’. . LBS is two hours away and they are back logged.... can one of you brilliant ebikers advise me?
Bike is a Liv Vall e+ 2018 syncsport motor. Only eco, normal and sport modes. Steep hill rides. Yes, I have crunched the gears a couple times and I find it thrilling to drop several gears at a time but I am gentle on the pedals and ‘let-up’ (most of the time).
Trying to find a new replacement bike but sold out

in most venues within 150 miles of me. . Thank you in advance.

 

[J.R.]

The irregular shape is called "narrow-wide". They are supposed to be like that.


Edit: they might still be worn and need replacing, but that's difficult to know by pictures. Not an emergency though.

 

[Anna]

Thank you! I have noticed that the eco and normal modes seem to ‘feel’ the same now... maybe different issue.

 

[rich c]

Are you asking about the chainring or the cassette, or both? They don't look that worn to me. Is the chain skipping? How many miles? The cassette teeth have different shapes to assist in easier shifting as the chain slides over.

 

[Anna]

Both actually! The bike seems rather gutless now. Mileage is about 850 but 85% is steep hills. Purchased in 2019. Chain does not feel like it is skipping. Thanks for the video...I’ll tune in.

 

[rich c]

Both actually! The bike seems rather gutless now. Mileage is about 850 but 85% is steep hills. Thanks for the video...I’ll tune in.

Power has nothing to do with the gears. I put 2,500 miles on my chains before they required a change, and am still using the original cassettes at 3,800. And that is on a mid drive eBike that everyone says destroys chains. I would suggest you wipe down the chain. It will attract a lot of dust with that much oil on it. The oil needs to be inside the chain to extend the life, not on the outside.

 

[Anna]

Thank you. Shall do. I am a bit heavy handed with the oil. .