ProTaper Full Diamond 2-D Dual-Density Grips.

Hole Diameter: 22mm for left, 25mm for right side. 
Twist throttle grips that fit 7/8" and 1-1/8" handlebars.

Inner core compound perfects the bonding interface with bars. 

Tacky gel-like surface compound perfect for motocross.
 
Available in 6 Colors Orange, Red, Blue, Yellow, Green & Pink.
 
(Not original Protaper Product)
Sold in pairs.