Aprilia RS660 Diamond Race Products Fuel Cap Yamaha-R3-2020 The system is pressurised by

The system is pressurised by a spring force keeping it stable under all working temperatures

Race (Reverse) shift only

They are UV stable and they have 3 x K-K carbon kevlar reinforcement at the mounting point

The Akrapovič Racing system is designed for riders who demand maximum performance

Aprilia RS660 Diamond Race Products Fuel Cap Yamaha-R3-2020 The system is pressurised byDiamond quick release racing fuel tank cap For Aprilia RS660 ('20+ models) Diamond quick release tank caps have been used and trusted by many of the worlds top teams for well over a decade. Precision milled from lightweight 7075 aluminium to the exact size of your bike's tank cap recess making for a perfect, flush fit. The beauty of the engineering is highlighted throughout by the flawless deep black hard anodising. Diamond's Posi Lock, spring loaded