All-City 13T x 1/8" Track Cog Black MPFN-230-4078A }Surly Single Cassette Cog 3/32"

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

}Triflow Superior Bike Lube - 2 fl oz Drip

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

Thin enough to use on the narrowest of adjusting cones

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

All-City 13T x 1/8" Track Cog Black MPFN-230-4078A }Surly Single Cassette Cog 3/32"All 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