Race Face Grippler Locking Mountain Bike GripsGrippler gives you the moisture shedding, long gripping sensation you crave, with the hard wearing resilience you expect from Race Face. Grippler will bring you to a higher level of digitization. two sizes, the Grippler surpasses industry standards for gripabilty. And now with Double Lock Ons the Grippler even grips itself! Directional ramped logo underside. Proprietary compound extends over Dual Lock Ons. Available in 30mm and 33mm diameters.