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Surly Karate Monkey. The Gates Carbon Drive Conversion (Part 2).

February 26, 2013

In Part 1 of the article, we showed you guys how this standard Surly Karate Monkey was modified in order to run a Gates Carbon belt.

Now let’s have a look at rest of the build to see what else we did to create a functional, clean, reliable and service-free commuting bike that the owner required.

Expect to see a lot of quality components in this build that was selected carefully by the owner. A very good example are the linear-pull brakes by Paul Components.

Since we removed all lugs and cable guides, we drilled the top tube so that internal routing was possible for the rear brake cable. It really helped to make this Karate Monkey look even cleaner.

Now to the drivetrain, a huge 60T Gates Phil Wood front sprocket (bolted on to White Industries cranks) was required in order to fulfill the owner’s desired commuting gear ratio.

In the back, a 24T Phil Wood rear cog was mounted onto a White Industries freewheel. It might have been a tight fit, but it was a good fit nonetheless.

After much trial and error, a special 135mm bottom bracket from Phil Wood was fitted to ensure a good chain line and clearance for the front sprocket!

Last but not least, we specially mounted the rear rack via the same bolt that goes through the frame lug.

A lot of time was spent in order to build the perfect commuting bike for the owner, but it was all worth it. It’s just one the many ways that we meet the individual requirements of our customers down to the finest detail.

If you require an unconventional solution to your bike such as what was done in this build, feel free to contact us via email at:, or call us at: (+65)63444579! We’ll be more than happy to assist you.

Click here for Part 1 of the build!

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