Ergon GP3 Grip, BioKorkOffered in Small or Large, the difference between the two is the thickness of the grip in hand. The Small size is perfect for riders with small hands, while the Large size fits those with larger hands however, it ultimately comes down to personal preference. Both feature the same length and wing size. The BioKork material uses organic cork from Portugal. Made in Germany. Comes as a pair of grips (left and right).