Product Details

Our cassette-type cogs are designed to fit on standard Shimano HG compatible freehub bodies.

Features

  • Tall tooth profile that is essential for preventing chain skip from the extra torque a singlespeed drivetrain encounters
  • Cog base width (where it contacts the freehub body) is 4.35mm, so you can stack a few of them up and use a 9-speed shifter for a simplified multi-speed drivetrain
  • Width also prevents it from ruining the freehub body as a result of digging grooves into it like skinny stamped cogs have a tendency to do
  • Machined from SCM415 CroMoly steel, then heat-treated for toughness and chrome-plated for surface hardening and enhanced chain lubricity
  • Works with 6-9-speed 3/32" chains, although we recommend the inherently updated quality of an 8 or 9 speed chain

About Surly
Many have tried — and failed — to define Surly. They make serious steel bikes and parts for people who don’t take themselves too seriously. You don’t need to wear a uniform or kit to ride a Surly. Just throw your leg over and go.

Product Code SRLC1FW2074
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$84.50
RRP $93.00 | Save 9%
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Product Details

Our cassette-type cogs are designed to fit on standard Shimano HG compatible freehub bodies.

Features

  • Tall tooth profile that is essential for preventing chain skip from the extra torque a singlespeed drivetrain encounters
  • Cog base width (where it contacts the freehub body) is 4.35mm, so you can stack a few of them up and use a 9-speed shifter for a simplified multi-speed drivetrain
  • Width also prevents it from ruining the freehub body as a result of digging grooves into it like skinny stamped cogs have a tendency to do
  • Machined from SCM415 CroMoly steel, then heat-treated for toughness and chrome-plated for surface hardening and enhanced chain lubricity
  • Works with 6-9-speed 3/32" chains, although we recommend the inherently updated quality of an 8 or 9 speed chain

About Surly
Many have tried — and failed — to define Surly. They make serious steel bikes and parts for people who don’t take themselves too seriously. You don’t need to wear a uniform or kit to ride a Surly. Just throw your leg over and go.