Installation methods:Remove the old grips. Wet the handlebars and the inside of the grips WITH WATER.Tuck the handlebars into the grips a little bit and then you can easily twist and push the grips to the end easily because the material is super soft.Wait until it's totally dry and then you can start riding.PS: Remember NEVER USE SOAP WATER to wet the handlebars or grips.Because when rainy days, the grips might turn slippery again in water which might be DANGEROUS! Features:Quality bike grips suitable for BMX, MTB, Scooter, Cruiser, Dirt Jumper, Electric Bike, Folding Bike, Kids Bike, Track Bike and etc.Wet the handlebars with water or soap water first, and the installation will be quite easy then.Relatively thicker wall offers more dumping effect. You can control your bikes better with less tiredness in palms.Tougher grips with more elasticity. Saplize bike grips are more durable and wearable. What's SAPLIZE?Saplize is a young brand aiming to offer great solutions to your sport needs.We pay much attention to customers' requirements and hope to understand better.Your any ideas are our cherished code of conducts which help us improve.We try to offer more choices so why not try searching Saplize on amazon once in a while. Saplize, smart action, smart play!