NANKANG AR1 AR-1 SEMI SLICK ROAD/TRACK TYRE 285/35/20. The Nankang AR-1 is available in 13″ to 20″ with more sizes constantly being added. The AR-1 is a faster, more refined track tyre, aimed at the track enthusiast who are hunting lap times. With only one compound option and with all tyres being produced with 5.5mm tread depth, the AR-1 is positioning itself in amongst the greats of the track tyre market. Used as a control tyre by the M3 Cup, 330 challenge and Classic VW Cup as well as a podium winning tyre in open tyre series such as CSCC New Millennium and 750MC Club Enduro. As the Nankang range is ever evolving, the 2019 production 100TW tyres in 17 and above now contain a kevlar lining, this further increases stability and consistency. Designed to combat high intensity circuits such as Nurburgring and Spa. The AR-1 has achieved EU tyre labelling giving it MSA List 1B approval. Optimum operating window 71-104 degrees celsius. Optimum camber settings between -1.0 to -3.0 degrees. 1,000-1,400kg 27.5 – 37psi. 1,400kg> 34 – 42psi. When fitting, the yellow dot is the lightest part of the tyre so should be aligned with the valve stem on both aluminium and steel wheels to ensure that it is well balanced. To reduce Oversteer – Reduce rear pressures or increase front pressures. To increase Oversteer – Increase rear pressures or reduce front pressures. To reduce Understeer – Reduce front pressures or increase rear pressures. To increase Understeer – Increase front pressures or reduce rear pressures. NAN-AR1-215-45-17-TRT ARE THE CONTROLLED TYRES FOR TEGIWA TYPE R TROPHY. Our Customer Service team will endevour to resolve any issues. This applies to all orders with us unless. Products that are ordered in error or that you changed your mind on will be entitled to a credit note at our discretion. This does not affect your statutory rights.