Scott Plasma redesign: adjustable rear wheel caters for multiple tyre width
This new design lets you to choose your tyre size without an aero penalty
Scott has released an upgraded version of its Plasma time trial bike.
The Plasma 6 was a four year project, and the development aim was to be the fastest at at the Kona Ironman World Championships. Unlike the Plasma 5, it’s not UCI compliant, with triathletes the primary audience.
A focus has been placed on cockpit adjust ability and internal storage, and aerodynamics.
Perhaps the most notable feature is the adjustable rear wheel mount position.
The closer a tyre is to the seat tube, the greater the aerodynamic saving. But, brands typically need to leave room for riders to fit their own wheel and tyre choice. The Scott Plasma 6 has an inbuilt flip clip which allows the rider to adjust the position of the rear wheel, it has six settings available allowing them to fine tune.
It is assumed it adjusts the wheelbase and chain tension, so not recommended you’ll be adjusting between rides.
The front end, it’s a different story. Whilst having the downtube as close as possible to the front tyre would be the fastest option, small movements create turbulence. Scott says that the next quickest option is to leave a “significant gap” – which is what it has done.
The front forks from Scott’s top end machines, use covers to hide the brake caliper.
The bike features a one piece cockpit from Scott’s componentry brand, Syncros. The cockpit can be moved up and down and can be tilted. The pads can move outwards and also adjust fore/aft to help riders find the best position.
Saddle fore/aft was also an important factor in the design and like many time trial bikes, the saddle can be pushed along a long rail to provide a wide range.