The carpal tunnel supplies thumb, index and middle finger. Here the nerves exit and branch off to the fingers. A very sensitive area, which can usually be relieved by selecting the correct handle bar sweep for a straight transition from lower arm to hand. Here we should also pay special attention that this area is pressure relieved! Several conventional ergonomic grips have a so-called relieve wing which extends too far inwards. Often this relieve wing is too hard and can cause unwanted pressure to the carpal tunnel pass.