Our beautiful cork bike grips are made in Portugal using cork from well managed forests. They make a perfect grip on your bike due to the natural and durable cushioning properties of cork, which is also naturally anti bacterial! If you've ordered our cork bike grips then you might find the following guide to fitting them useful, but do give us a shout if you have any problems or queries. How to fit them 1. Remove existing handlebar grips 2. Clean the handlebar 3. Ensure handlebar is free from grease, then push grips onto the bar, rotating them at the same time. 4. The grips need to be a tight fit and not rotate when riding 5. You may need a use a bead of household glue to help secure them.