- Standard chain sizes for bicycles include12:
- 1/8″ (3.18 mm) for bikes with a single rear sprocket
- 3/32″ (2.38 mm) for bikes with 5-8 rear sprockets and derailleurs
- 11/128″ (2.18 mm) for bikes with 9-12 rear sprockets and derailleurs
- 5/32″ (4.0 mm) for freight bicycles and tricycles
Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.There are 4 sizes of the internal width of the bike chain – 1/8″, 3/32″, 11/128″, and 5/32″:
- 1/8″ (3.18 mm) – some of the bikes with a single rear sprocket
www.statecyclist.com/bike-chain-size-chart/Single speed chains have inner width of 1/8″ (3.175 mm). Multi speed chains, from 5 to 8 have inner width of 3/32″ (2.38 mm). Multi speed chains from 9 to 12 speeds have inner width of 11/128″ (2.18 mm). “Exotic” standard for freight bicycles is 5/32″ (4 mm).bike.bikegremlin.com/3555/bicycle-drive-chain-dim… - People also ask
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