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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Tyre Tread Pattern and Rotation Direction Arrows
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<blockquote data-quote="passenger0_0" data-source="post: 124749" data-attributes="member: 208"><p>I'm no tyre expert however I understand that it is the manufacturing process that also determines tyre rotation direction. To explain this, before the tyre is placed in the mould, the outer elastomeric material that becomes the tread is wrapped over the inner tyre structure. This outer strip material is overlapped at the joint. Tyre rotation direction is specified to prevent the lap joint from opening up. If you look closely at a used rear tyre on a high powered bike you sometimes see what looks like a straight knife cut running the width of the tread. This is the lap joint coming apart due to the high driving torque pulling the joint apart. </p><p>That's my take but someone might know better.</p></blockquote><p></p>
[QUOTE="passenger0_0, post: 124749, member: 208"] I'm no tyre expert however I understand that it is the manufacturing process that also determines tyre rotation direction. To explain this, before the tyre is placed in the mould, the outer elastomeric material that becomes the tread is wrapped over the inner tyre structure. This outer strip material is overlapped at the joint. Tyre rotation direction is specified to prevent the lap joint from opening up. If you look closely at a used rear tyre on a high powered bike you sometimes see what looks like a straight knife cut running the width of the tread. This is the lap joint coming apart due to the high driving torque pulling the joint apart. That's my take but someone might know better. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Tyre Tread Pattern and Rotation Direction Arrows
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