GFB Pulleys

GFB lighten aluminium pulleysGFBs range of lightweight pulleys are designed to improve acceleration by reduce the rotational mass (inertia) on the crankshaft as well as parasitic loads from the driven accessories.

Under-driving is achieved through the use of a smaller diameter crank pulley, which reduces the amount of drag from the accessories, particularly at high RPM. Note that GFB take care to ensure that accessory performance is not affected.

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