Severe Wobbling of the Rear Freewheel on a Gear Bike

1 Answers
ConnorLee
07/30/25 8:06am
The wobbling of a gear bike's freewheel generally has two causes: 1. Freewheel Issue: If it's a cassette freewheel, high-quality ones usually don't have this problem. If the cassette is severely worn, it can only be replaced at a shop. If it's a threaded freewheel, this is normal because the bearings inside contain steel balls, and the ratchet mechanism has relatively large clearances. So, this is normal and not a sign of damage. 2. The locking screw or clip of the freewheel is loose; tightening it should fix the issue. A gear bike is a type of racing bicycle with narrow wheels designed to minimize weight for easier and faster riding. The purpose of a bicycle's gear system is to change the speed by altering the combination of the chain and different-sized front and rear sprockets. The size of the front chainring and the rear sprocket determines the effort required when pedaling. A larger front chainring and a smaller rear sprocket make pedaling more strenuous, while a smaller front chainring and a larger rear sprocket make pedaling easier. Depending on the rider's ability, the bike's speed can be adjusted by changing the sizes of the front and rear sprockets to suit different terrains and road conditions.
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