Ribble Ultra SL R
Aug 26, 2021
4 minutes
Photos Rob Spedding, Ribble Cycles
Claiming to have produced the ‘world’s most aerodynamically advanced road bike’ is pretty ballsy for a brand that only opened its own moulds in 2018. But that’s the benchmark Ribble says it’s achieved, and both the Ultra SL R and its Ultra handlebar are supported by reams of ‘rider on’ CFD (Computational Fluid Dynamics) and wind tunnel testing data obtained at Silverstone Sports Engineering Hub.
The ‘rider on’ element was crucial in development and testing to provide truly relevant real-world data.
“Bikes don’t ride themselves,” notes Ribble CEO Andy Smallwood, “so we’d effectively be lying to the customer if we reported bike-only gains.”
Tests were run at 22mph, “a more relatable speed
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