Ergon GP4 Evo BioKork grips bring years of hand-ergonomics expertise to a grip with integrated bar ends, made with organic cork. Features: Ergonomic shape helps relieve hand pain, numb fingers and aching forearms Made with organic cork farmed in Portugal under strict ecological guidelines Four-finger rubberized bar ends give more hand positions, leverage and stability when climbing or out of the saddle Bar end angle adjusts independently of the grip angle Not compatible with carbon handlebars Two sizes for small or large hands Specifications: Sizes on this listing: S, L Color: Black/Tan