initial commit
add Gemfile, ruby version
add tmp dir
add .gitignore
first passing spec
additional passing spec
update tire sizes, add specs
slight refactoring
adds speed at cadence calc
add more examples
remove mm unit designations
rename method
move to setting wheel circumference rather than picking tire size string
add initialize
rename temp variables in spec
move to GearRatio::Calculator
clean up GearRatio::Calculator instance initialization
merge local and remote