Honda CBR600RR 2007 Owner's Manual page 215

Specifications
Power Transmission
primary reduction
gear ratio, 1st
2nd
3rd
4th
5th
6th
final reduction
standard
sprocket sizes
final drive
206
Technical Information
2.111
2.750
2.000
1.667
1.444
1.304
1.208
2.625
drive (front) sprocket:
driven (rear wheel) sprocket:
chain
DID525HV or
16 teeth
42 teeth
RK525ROZ6