Ergon GC1 Biokork GripsThese handlebar grips are made from BioKork material, which uses the unique qualities of cork that are antibacterial and hypoallergenic. Cork’s natural damping qualities make it perfect for maintaining a dependable grip and its low density makes it lightweight. Weighing in at only 195g for the pair, these grips are a great choice of upgrade for riders who want to enjoy the benefits of superior grip without adding any unnecessary weight to their handlebars. Why Biokork?The unique qualities of cork means that it is antibacterial and hypoallergenic. Cork’s natural damping qualities also make it an ideal grip material, and its low density mean the resulting grip is a lot lighter. The bioKork grips use 40% cork, sourced from sustainable forests in Portugal which is certified for its ecologically sound production. This ecological theme is continued throughout the rest of the grip. The inner core is plastic reinforced using natural fibre, which make up 40% of its mass. in place of mineral oil, the gel in the palm section of the grip is vegetable oil based. it is all a result of Ergon’s “GreenLab” initiative. Features:Material: BioKork CorkHandlebar Compatibility: Backwards-swept barsSingle or Pair: PairWeight: 195g (pair)Buy Ergon Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.