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Machining Magnesium Castings for 35mm GP Forks

Just beginning work on a new batch of 35mm magnesium GP forks. The first operation is complete - machining all the runners and risers away from the castings... a bit like the first step to starting work on a giant Airfix kit!

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Anatomy of a Frame

Cr-moly sae 4130 TT1 Frame by Sports Motorcycles Ltd, manufactured in-house. Tig-welded and adjustable for rear ride height. Contact us for more information.

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"It's like a new bike." REVIEW OF THE SPORTS VALVE

Review of the SPORTS VALVE by Errol Johnson from New Zealand. Errol races a Honda CB900F and has been testing his new valves out at Pukekohe Park."Thanks so much for the work you did on my CB900FA Post Classic bike, it is like a new bike, soaking up the lumps at the recent Pukekohe meeting [...]

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REDUCE THE RISK : Oil Sight Glass Timing Level Windows - SPECIAL OFFER

Two unrelated incidents at Phillip Island last week with Ducati Pantah bikes have confirmed our fears. Too many riders are using the old plastic Oil Sight Glasses which crack and ultimately fail. At Phillip Island, the degradation of two such glasses was so severe that they actually fell out - unfortunately not an uncommon event.In [...]

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"My bike is noticeable more stable with no more pattering mid-corner." REVIEW OF THE SPORTS VALVE

Review of the SPORTS VALVE by Brett Williams from Australia. Brett recently fitted Sports Valves to his Ducati Pantah 650 and owns many other beautiful machines. "My bike is noticeably more stable on the braking with no more pattering mid-corner. Very impressed! Seriously thinking about fitting the Sports Valves to all my bikes, otherwise I'll [...]

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Where are we going?

Right. Now Christmas and New Year is safely out of the way, it's time to hit the road!Glyn Robinson is heading over to the Phillip Island Classic (27th - 29th January) in Australia. He's packing some Sports Valves and information, so if you're interested in seeing how they work, tackle him as he goes past. [...]

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TT - The Perfect Lap, Sinking Bikes and more interesting stuff about this amazing race!

The legendary Isle of Man TT needs no introduction. Most of you have collected a vast amount of news, statistics and facts and stored them away under your helmets. But we've been rummaging about today to find a few things you may not know...Back in 1985, Joey Dunlop almost missed the TT because his boat [...]

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A closer look at the Spondon Ducati

I've had a lot of questions recently about our Sports Motorcycles Spondon as it's quite a rare beast, so I thought I'd write up some technical points of interest. FRAMESPECIFICATIONSCOOLING SYSTEM MODIFICATIONSThe alloy beam frame was manufactured by Spondon Engineering in Derbyshire - which is no longer in business as such. After the brilliant engineer Bob Stevenson died [...]

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