Rolling-Resistance
What We Learned
What We Learned: Adaptable Tire Pressure is Free* Speed Ok, it’s not free of power use. When Gravaa is active and inflating your tires at 25 km/h, it consumes 4...
What We Learned
What We Learned: Adaptable Tire Pressure is Free* Speed Ok, it’s not free of power use. When Gravaa is active and inflating your tires at 25 km/h, it consumes 4...
Cobblestones and Sand
When it came time to test Gravaa off-road, we took to the rough cobblestone section and compact sand track. Like the tarmac tests, we rode these surfaces in both directions,...
Cobblestones and Sand
When it came time to test Gravaa off-road, we took to the rough cobblestone section and compact sand track. Like the tarmac tests, we rode these surfaces in both directions,...
Smooth Tarmac
Later in the tests, we lowered the tire pressure on tarmac (also testing 2.5 bar and 1.5 bar). All tests were repeated multiple times on the same section – riding...
Smooth Tarmac
Later in the tests, we lowered the tire pressure on tarmac (also testing 2.5 bar and 1.5 bar). All tests were repeated multiple times on the same section – riding...
Benchmarking
To establish the correct controls, we undertook repetitive tests on a smooth tarmac section, cycling in both directions to negate the effect of wind direction. We rode at different speeds...
Benchmarking
To establish the correct controls, we undertook repetitive tests on a smooth tarmac section, cycling in both directions to negate the effect of wind direction. We rode at different speeds...
Testing Gravaa
Testing Gravaa To test Gravaa, we naturally chose the cobbles. Our setup included a Cervélo Aspero 5 equipped with Gravaa x Reserve 42I49 wheels, Challenge Grifo Pro 29×1.30” (33-622) tires,...
Testing Gravaa
Testing Gravaa To test Gravaa, we naturally chose the cobbles. Our setup included a Cervélo Aspero 5 equipped with Gravaa x Reserve 42I49 wheels, Challenge Grifo Pro 29×1.30” (33-622) tires,...