Pierre Perrin was at the show with his first ever mountain bike - a steel-framed full-susser that is pushed along by a combination of a Gates belt drive and a Rohlhof geared hub. Younger readers may not recognise the suspension layout, but anybody who was riding in the wild and wonderful days of the 1990s will instantly recognise the unified rear triangle (URT). In the early days of full-suspension bikes, many designers didn't know how to deal with chaingrowth and other chain forces, so they solved the problem by including the bottom bracket on the swingarm. While this many have completely solved any chain issues, what it did mean was that your bottom bracket was moving under you as your suspension worked... The fact that younger readers may not have seen one of these before should tell you all you need to know about the development of suspension and the URT. However, Pierre has resurrected the layout to solve the problem of mounting the carbon belt drive. This is his first bike, but one can be yours with fully custom geometry for 2,000 Euros (minus belt drive and Rohlhof hub).
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Pierre Perrin was at the show with his first ever mountain bike - a steel-framed full-susser that is pushed along by a combination of a Gates belt drive and a Rohlhof geared hub. Younger readers may not recognise the suspension layout, but anybody who was riding in the wild and wonderful days of the 1990s will instantly recognise the unified rear triangle (URT). In the early days of full-suspension bikes, many designers didn't know how to deal with chaingrowth and other chain forces, so they solved the problem by including the bottom bracket on the swingarm. While this many have completely solved any chain issues, what it did mean was that your bottom bracket was moving under you as your suspension worked... The fact that younger readers may not have seen one of these before should tell you all you need to know about the development of suspension and the URT. However, Pierre has resurrected the layout to solve the problem of mounting the carbon belt drive. This is his first bike, but one can be yours with fully custom geometry for 2,000 Euros (minus belt drive and Rohlhof hub).
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