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Shop 9 speed bike chains from KMC, including the popular X9 and 50 metre workshop rolls for bike shops, fleets and clubs.
At a glance
- For 9 speed drivetrains
- KMC MissingLink included
- 50m workshop rolls available
How to Choose a 9 Speed Chain
9 speed gearing is still one of the most common setups on commuter bikes, hybrids, trekking bikes and entry-level mountain bikes. A 9 speed chain uses a 1/2" x 11/128" size and must match your 9 speed cassette.
KMC X9
The KMC X9 is the go-to 9 speed replacement chain, with KMC's Double X-Bridge plates for fast, smooth shifting, 116 links and a MissingLink included.
Workshop Rolls
For bike shops, schools, rental fleets and clubs, the KMC X9 50 metre roll makes about 36 chains and includes 40 MissingLinks, cutting the cost per chain.
9 Speed e-Bikes
If you have a 9 speed e-bike, the KMC e9 is a stronger, longer chain made for mid-drive motors. Shimano CUES 9 speed bikes need a CUES-specific chain such as the KMC XGlide. See all our e-bike chains.
When to Replace Your Chain
Replace a 9 speed chain at or just before 0.75% wear. Check it regularly with a chain checker to protect your cassette and chainrings.
9 Speed Chain FAQs
Will a 9 speed chain fit Shimano CUES?
No. Shimano CUES uses its own chain. Choose the KMC XGlide for CUES drivetrains.
Is a connecting link included with the KMC X9?
Yes, a KMC MissingLink is included.
How many links does a 9 speed chain need?
116 links suits most 9 speed bikes. Shorten it to fit with a chain tool.
How many chains does a 50 metre roll make?
About 36 chains, and it includes 40 MissingLinks.
9 Speed Chain Brands We Stock
We stock 9 speed chains from KMC, plus Positz 9 speed quick links. Looking for a new cassette too? Browse our gears and drivetrain parts. Fit and check your chain with our chain tools.