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Park Tool
SR-18 Chain Whip for 1/8 Inch Track Cogs

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The SR-18 Chain Whip is specifically designed to install and remove track cogs. Park's dual sided design features a tough 1/8" chain, plus a 1" (25.4mm) box end wrench fit their Freewheel/Cassette Lockring Tools. Heat treated to prevent bending and flexing. Comfortable handle offers ample leverage.

Park Tool SR-18.2 Sprocket Remover / Chain Whip for Track
A newer version of this product is available.
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THE essential tool for trackpista-or any fixie-enthusiasts.
by TexasRover
Cycling Enthusiast

I recently came across a 1977 Schwinn Paramount track bike for sale. It was in beautiful condition for its age. My dad rode a 1948 Paramount track bike as an around-towner when I was growing up-same color, metallic blue-so there was a nostalgia element too. I bought the Paramount, and knew right away I'd be messing with the rear cog, so buying the Park Tool 18 Chain Whip was a no-brainer. The original fixed cog was on super tight-probably hadn't been removed since the factory. But with the Park chain whip I had it off in a couple minutes for cleaning (and now occasional replacement with a single cog freewheel). Park Tool chain whips for either/both 316 and 18 are essential if you work on your own bikes.

Reviewed 1/27/2014
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Good specialty tool
by Pete K
Cycling Enthusiast
portland, OR
1 of 1 customers found this review helpful.

This tool is strong and well made. It is difficult to find one that fits TRACK cogs. The usual tool does not make a big deal out of the fact that it will NOT work on track cogs. I imagine this tool will stand up to years of use (andor abuse) and handle the job well.

Reviewed 5/3/2012
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