* The ultimate standard in grip comfort and beauty. Anti-vibration large pad design eliminates numbness and slipping for any size hand. The extremely soft rubber will give you excellent control and maximum comfort. Handsomely detailed design adds beauty to any bike. Made in the U.S.A.* 1.26 O.D. * 7/8 I.D. * 4.5 Circumference * 5 1/8 (clamp to clamp 127.317 mm)* 5 1/4 (front clamp to end of end cap 133.35 mm)* Bolts are 2.5mm SCM-440 CRMO steel for ODI lock jaw rings.