Exotek 1873 F6 X1 Spool Set with 1/4" Carbon Axle and Right Hub Ballast - Fine this model offers the best

this model offers the best of both worlds

Main Bus - 50 feet each red and black 14 AWG stranded wire

ScaleTrains 32944 HO Scale EMD SD45 Southern Pacific SP 7530 DCC Sound

Improves power transfer for non-stock gear ratio use

Exotek 1873 F6 X1 Spool Set with 1/4" Carbon Axle and Right Hub Ballast - Fine this model offers the bestExotek 1873 F6 X1 Spool Set with 1 4" Carbon Axle and Right Hub This extra lightweight carbon fiber and 7075 alloy clamping spool set is intended for F1 cars equipped with a 1 4" rear axle design, such as for the X1, F6 and Roche. An F1 spool helps eliminate 'diffing out' of the rear pod on extra high grip black carpet conditions and gives your F1 more corner exit speeds. This spool also greatly reduces the weight compared to a gear diff or standard