2x KMC Missing Link Bike Chain Joining Links 10 Speed (re-usable) 5.9mm Pin Length

2x KMC chain joining links (re-usable)
10 speed 5.9mm pin length
5.88mm (often listed as 5.9mm)
1/2" X 11/128"

Re-usable links do not "snap" into place and can be removed by hand

For bikes with derailleur gears
"Speed" refers to the number of cogs on the rear cassette or freewheel