Surly Single Cassette Cog 3/32" Splined 21t MFPN=5100-58432 }Wheels Manufacturing Shimano Preload Tool

}Wheels Manufacturing Shimano Preload Tool - Hollowtech II

} Seismic Cassette with TCS internals and x2 nylon hub guards Stainless steel spokes

}SRAM Eagle PG-1210/1230 Cassette Replacement Cogs - 11-13-15 Cogs Lockring Included

5" Fat Designed for ebike Yes External Adjustments Rebound Damping Defined Color Black Positive Spring Air Stanchion Diameter 34 Steerer Tube Length (mm) 251

Surly Single Cassette Cog 3/32" Splined 21t MFPN=5100-58432 }Wheels Manufacturing Shimano Preload ToolSurly 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 21 Cassette Body Type Shimano HG 7 Speed Drivetrain Speeds Single Speed 3 32" Material Steel