Relaxtime Super Soft Double Lock On Mountain Bike Bicycle Cycling Sponge Handlebar Grips Meterial: High quality Sponge,soft,comfortable touch,and anti-skidding Design:dead lock design on both sides,durable and safe Both sides with two Aluminum alloy locking rings,easy to take on and off Relieve your fatigue and hands pain for long distance cycling Application: Bicycle, mountain bikes, road bikes, folding bike and other 22mm handlebar bikes