Straight Cut Drop Gear Set Leyland Mini 1275

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To transfer torque from the crankshaft to the gearbox in competition cars, straight cut gears are often utilized over helical ones due to their lack of side load thrust on bearings and reduced friction. However, they produce a noticeable acoustic whine unsuitable for regular road use. In this setup, the top gear rests on one end of the crankshaft, while the middle (idler) gear transmits torque to the input gear situated on the first motion shaft of the gearbox. The drop gear set is compatible with the previously uploaded gear assembly. Gear kits from suppliers like Jack Knight Gears and Quaife can still be purchased new, as well as a five-speed straight cut variant from Colotti-Trasmissioni.