They feature a super tacky construction for ample hold & feel at the bars & to take this even further they also have a strategically placed half-waffle pattern. & for security we also gave them a locking design so you dont have to worry about them shifting their position. If all of this seems oddly familiar to you its because the inspiration for these grips is drawn from the moto world. This means that you can expect to have the utmost in thumb wrap over the grips which leads to more control & maximum comfort. Super tacky, yet durable, grip provides superior control. Strategically placed, half-waffle pattern provides better grip & comfort. Moto-inspired design features a waffle relief for maximum thumb wrap/control. Small/medium diameter: 30mm large/x-large diameter: 32mm ...