The "R" represents Radial ~ see related link below .
Obviously rd is road. RD could mean rural delivery. Having to do with postal delivery in areas without a post office.
uhh maybe you should specify what you mean by that.
yamaha rd means race derived
The title RD signifies a Registered Dietitian.
RD in the medical field means Registered Dietician.
RD stand for Registered Dietitian and means this person is accredited.
Pussy eater
road
On small spoon "epsn...made in england...RD 774375"
Its the weight of the tire!
265 on a tire is the width of the tire in mm
RD on a college transcript stands for Report Delayed.