- Compared to double arm system, which may be difficult to understand for beginners, SF sytem is more easy to build, easy to get symmetric, and easy to tune and set up. - New carbon steering top plate with improved Ackerman for more gentle steering response. - Camber adjustment with provided 0.2mm shims. 4 shims = 0 degree, 3shims = 1 degree, 2shims = 2 degree, 1shims = 3 degree. - 0.1mm shim will be an optional part and provide .5 degree adjustment. - Overall arm length will be wider adding more stability and drivability. 0 offset rim = 74mm width which is equal to +2.0 on traditional MRZ. - Brass Chassis is included - Clutch Gear Diff (AR-286) is included - New Light Weight Battery mount (able to fit 46mm x 21mm x 12mm batteries)
