A combination of unmatched durability and huge range of cog sizes make these Surly track cogs a go-to for working, tracklocross or just getting around on your fixie!
A fully nickel plated 9-speed chain for excellent durability along with solid pins, inner and outer plates make for an economical chain choice with all the performance of higher level X-Series chains.
A bomber 1sp chain in a narrower 1/2” x 3/32” size that’s perfect for use with single speed or internal gear drivetrains but tough enough for BMX or Track use!