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Jtek Engineering Shiftmate
http://jtekengineering.com/shiftmate.htm
Adapter allows hybrid campy/shimano drivetrains to work correctly
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Bike drivetrain compatibility checker
http://www.wheelworks.co.nz/drivetrain.php?ST=C2&FD=C2&RD=S1&CN=C2&CS=S2&CR=C2
input your setup and it tells you what parts will work and what won't