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Supersprox Stealth Sprockets are the highest quality and most technologically advanced sprockets in the world.
  The Stealth is a combination of long-lasting steel and lightweight aluminium that utilises the best of both materials.
The idea was first developed to satisfy the requirement of drag racers, who use all-steel construction sprockets that are strong, but very heavy. Created and developed in 2000–2001 by Supersprox, the sprockets were first used on the bikes of their World Championship sponsored riders (Off Road). These riders know how this type of technology can offer them prolonged system performance and reduced power loss.
Whilst sprockets made from aluminium are light, there can be two problems which show up after some use. Firstly, the tooth profile will change very quickly because of wear. The slightly worn sprocket will not engage with the chain properly and it will cause drag. The chain drag will drain power from your bike. You can lose as much as 5 BHP after only 40 minutes riding. Carbon steel teeth last at least three times longer than 7075 aluminium sprocket teeth. Add to this the Supersprox unique tooth design, which helps the chain stay in contact for longer and you have a fantastic life versus weight combination.
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The steel outer ring offers greater life for your whole system, not just the rear sprockets. You can expect an increased system life of up to three times that of a system using an alloy rear sprocket. You should remember that two equally hard surfaces rubbing together will last equally long. It is a fallacy that steel teeth can damage your chain, that does not happen.
There is no doubt, Supersprox’s rivet material is just the best for fixing such a high performance sprocket. They have learned to use this technology to forge rivets into the sprockets. Over time they have moved from domed rivets to flat rivets and now the rivets only protrude 1.5 mm from the surface of the sprocket. They will not affect your hub or chain guide. If you forge a steel bar of say 8 mm, it will have the shear strength of a 15 mm un-forged bar. They learned this technology from the aerospace industry where they rivet the 7075 or titanium plates onto fighter jets’ wings. They have never had one single rivet break. The rivets are perfection.
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