OCLV Carbon Fibre construction. Variable-Radius Shallow Flare (VR-SF) design creates more accessible hand positions. Compatible with clip-on aero bars. IsoZone pads displace vibration by 20% to reduce hand numbness. Cable-routing groove for shift and brake cable routing, front and rear. Laser-etched brake lever position lines for spot-on control setup. Includes two upper and two drop IsoZone closed cell pads.