Brooks england gp1 ergonomic gripsbrooks has designed its gp1 ergonomic grips to help your hands to make 100% contact with their surface, preventing pressure points, numbness and soreness on the hands and arms. Even on the longest rides and over rough surfaces youll enjoy lasting, consistent comfort.excellent grip and durabilityas these grips use the same vegetable tanned leather that brooks uses on its legendary saddles, it is super durable, comfortable and offers highly efficient grip. This high quality leather is also soft to the touch and breathable too.features  grip surface vegetable tanned leather  ergonomic body  breathable  alloy lockrings  the vegetable tanned leather offers a soft surface feel and a naturally breathable contact pointbuy brooks components from chain reaction cycles. Ride. Eat. Sleep. Repeat.