Oct
03
A spoke is one of some number of rods radiating from the center of a wheel,the hub where the axle connects.
Motorcycle wheels typically use 36 or 40 spokes, of much heavier gauge.They are never “interlaced” in the manner described below, nor are “radial” builds.
Adequate spoke tension is very important with motorcycle wheels,because of the greater torque applied to the wheel by an engine or disc brake.
Every motorcycle has a specific wheel and hence the spokes used in these also varies. They come in different sets according to the requirement.
Spoking Pattern:
- Three-Cross: The most common spoking pattern is “three-cross” where each spoke crosses three others on the same flange of the hub before meeting the rim.
- Two-Cross: Here the spokes do not cross each other, saves roughly the weight of two spokes, because the spokes are shorter as compared to a three-cross wheel used for hubs with large-diameter flanges.
- Four-cross: These are standard for spoke counts of 40 and above used in motorcycle Wheels.
Spoke length:
- The correct length of spokes required can be calculated using rim diameter, hub flange diameter, hub width, lacing pattern, and number of spokes.
- These calculations can be done either by hand or by using a computer.
- An alternative method is to refer to a table which has the spoke lengths for a number of common hub and rim combinations.
Spoke Metal:
- The wheel rims are usually steel or aluminum,that is steel spokes and an aluminum hub or mag-type cast or machined aluminum.
- Performance racing motorcycles often use carbon-fiber wheels, but the expense of these wheels is very high for general usage.
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