KMC X12 12 Speed Chain Colour:Black and has a high resistance

and has a high resistance to fade

4mm bars (mount suits 31

For use on steel

Wall hook bike rack

and can also be found on some disc brake lockrings

KMC X12 12 Speed Chain Colour:Black and has a high resistanceAbout KMC X12 12 Speed Chain The KMC X12 Chain is designed for 12 speed bikes, and has 100% compatibility on all leading derailleur systems. For affordable, reliable and smooth shifting, you can't go past the X12! Features Hi Performance. Double X Bridge Shape for fast and smooth shifting. Mushroomed Riveting. Inner and Outer Plate Chamfering for smooth operation. Non Directional. Extra Stretch Proof Pins. Strongest chain connection in the industry