The Brooks Slender Grip 100mm Gripshift feature vegetable tanned leather & cork tape, & are designed to offer an alternative performance option for the user. The design incorporates an aluminium shell around which the bar tape is wrapped in the manner of traditional handlebar tape. The leather is then held in place by aluminium & steel clamps which can be removed in the event that the tape requires replacement. The tape is made from the same vegetable tanned leather used for Brooks Saddles & natural cork.