My bicycle is making a grinding noise when I pedal. What could it be and how can it be fixed? - Quora
![Loud click/creak noise whenever I pedal hard on my right crank. Any ideas of what it could be, or anyone have a similar problem? Input appreciated. : r/bikewrench Loud click/creak noise whenever I pedal hard on my right crank. Any ideas of what it could be, or anyone have a similar problem? Input appreciated. : r/bikewrench](https://preview.redd.it/vogm69525bu51.jpg?width=1080&crop=smart&auto=webp&s=f799f0b4b2729e5a90e7a89e26c7e8732ce24b87)
Loud click/creak noise whenever I pedal hard on my right crank. Any ideas of what it could be, or anyone have a similar problem? Input appreciated. : r/bikewrench
![Bike makes knocking noise only when pedaling. The cassette cogs have some grooves on them. Is this normal or the cassette is defective? : r/bikewrench Bike makes knocking noise only when pedaling. The cassette cogs have some grooves on them. Is this normal or the cassette is defective? : r/bikewrench](https://i.redd.it/kzrb6cvyqmc51.jpg)