Surly Single Cassette Cog 3/32" Splined 20t Advertised Weight-0.7 90% filled with Mobilux NGLI

90% filled with Mobilux NGLI 2 synthetic grease dual-lip labyrinth seals

60 Tire Compound SmartEVO DH

Color Gold Links (links) 118 Drivetrain Speeds 11 Half Link Chain No Chain Connection Type Single Use Master Link Width 5

or Portland

Surly Single Cassette Cog 3/32" Splined 20t Advertised Weight-0.7 90% filled with Mobilux NGLISurly Single Speed Cogs. Designed as a singlespeed cog but may also be stacked and used with 9 speed shifter. Multi gear use will result in slower less crisp shifting than cogs designed for multi gear systems Fit Shimano freehub splines SCM 415 hardened chromoly steel Photo for color and material reference only Tooth Count 20 Cassette Body Type Shimano HG 7 Speed Drivetrain Speeds Single Speed 3 32" Material Steel