All-City 13T x 1/8" Track Cog Black MPFN-230-4078A 0mm 295mm J-bend Black Box

0mm 295mm J-bend Black Box of 100

Wrap your Zipp bars on your cyclocross (or road) bike in style with this Service Course cyclocross handlebar tape

Pro Head Reinforcement System (PHR) has a larger and more spherical contact area and is designed to balance loads transferred to the rim

}Surly Single Cassette Cog 3/32" Splined 21t

All-City 13T x 1/8" Track Cog Black MPFN-230-4078A 0mm 295mm J-bend Black BoxAll City 13T x 1 8" Track Cog Black. All city's great value standard track cog available in the most popular sizes. 16t and lower are solid 17t and higher have cutouts Chromoly steel; CNC precision machined 1 8" width cogs; Threads are 1. 37" x 24 tpi TECH SPECS Tooth Count 13