SURLY SPLINE SPROCKET

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SCM 415 cromoly steel. This is hardened cromoly; looks good, lasts a long time. Match one of our stainless steel chainrings to one of our chrome-plated cogs,and you’ve got a drivetrain built to last. Designed to fit Shimano freehub bodies. The Shimano freehub spline is the most common design out there, used on Shimano brand and many non-Shimano hubs. You’re likely using this cog to convert your current wheel to single speed. The tooth shape and height are ideal for single speed drivetrains. The footprint of the cogs (where they fit onto the FH) is wider than most SS cogs so they don’t dig into the FH and get sloppy. This is especially important if your FH body is aluminum or titanium. The wide footprint serves 2 purposes: anti-dig as mentioned, and they’re 9 speed drivetrain spaced, so you can stack them up for several gears (orient them the same direction on the FH body for this purpose). Because they’re designed as single-speed cogs first, they’ll shift a bit slower than a regular cluster, but we’ve had good results running several cogs. Like a single but want a bailout or catch up gear? Here’s your answer. Compatible with all 6, 7, 8 and 9-speed chains. Available in all sizes from 13T–22T