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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Rear Drum Runout - what is an acceptable figure?
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<blockquote data-quote="Old Bill" data-source="post: 136982" data-attributes="member: 1683"><p>From experience of both club solid billet drums and cast items l have found the following; club drums are machined on the inside ie spoke side and l have never found them foul the spoke bends either with cad plated or stainless flanges, they also have the drain hole drillings absent from cast items. Also when used with Spares co linings the brakes give a vastly improved performance over the cast offerings which l have also found to be inclined to crack around the mounting bolt holes. One other point worth mentioning is that hubs machined from solid billets are superior to cast items despite cast items being machined post production. Just my experience, but l have fitted quite a few drums/ hubs/ flanges etc over the years......</p></blockquote><p></p>
[QUOTE="Old Bill, post: 136982, member: 1683"] From experience of both club solid billet drums and cast items l have found the following; club drums are machined on the inside ie spoke side and l have never found them foul the spoke bends either with cad plated or stainless flanges, they also have the drain hole drillings absent from cast items. Also when used with Spares co linings the brakes give a vastly improved performance over the cast offerings which l have also found to be inclined to crack around the mounting bolt holes. One other point worth mentioning is that hubs machined from solid billets are superior to cast items despite cast items being machined post production. Just my experience, but l have fitted quite a few drums/ hubs/ flanges etc over the years...... [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Rear Drum Runout - what is an acceptable figure?
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