Magnum
Gearbox
Magnum 2-speed planetary gear box.
Used by many top riders all around the world, in Top Fuel Twin, Top Fuel Harley and Top Fuel Metric. Now available in heavy duty version. TwinSprag operation for maximal performance. Do like Rikard Gustavsson, Sverre Dahl and Marcus Christiansen, all European Champions that relies on Magnum TwinSprag!
Casings in billet aluminium. Shafts in super strong chrome moly steel. Easy replacable low gear ratios. Self adjusting 6-plate clutch inside for super fast gear shift. Output shaft in 3 different length available. Input shaft only attached by spline – avoids missalignement!
Techspec
Outer dia
Ø218,0mm
Length
156,0mm
Weight
17,4kg
Ratio, available low gear
Underdrive 1,38, 1,32, 1,30 and 1,28
Output shaft
16 splined Ø35,0mm
Input shaft
Inner spline Ø34,8mm
Gear shift
6-12 bar
Dimensions
Gallery
