The KMC Z51 is a 1/2″ x 3/32″ chain in brown that fits most 6, 7 and 8 speed derailleur systems. It has 116 links and comes with a KMC MissingLink.
Ideal for workhorse bikes like commuters, kids bikes, hybrids and entry-level mountain bikes. When the chain is rusty or skipping, this is the lowest-cost way to fix it properly.
Fits most 6-8 speed bikes
Suits most 6, 7 and 8 speed derailleur systems.
Smooth shifting
Z-bridge outer plates help the chain shift smoothly between sprockets.
MissingLink included
Join and remove the chain easily with the supplied MissingLink.
Budget-friendly
A sensible, low-cost replacement for everyday bikes.
Frequently Asked Questions
What is the pin length?
7.3mm.
How many links does it have?
116 links.
Will it fit a single speed bike?
It can fit single speed bikes with 3/32″ sprockets, but it is designed for 6-8 speed derailleur bikes.
Item specs
- Brand: KMC
- Model: Z51
- Speed: 6, 7 and 8 speed
- Size: 1/2″ x 3/32″
- Length: 116 links
- Pin length: 7.3mm
- Colour: Brown
- Includes: KMC MissingLink





















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