ENGINEERED TIRE INSERTS
AWARD WINNING INSERTS
Faster, Smoother Ride
Reduces Rider Fatigue
SECTION ONE _1.0
50% MORE IMPACT ABSORBTION
CushCore built a drop test tower to measure impact force. The test simulates a rock impact at speed. An accelerometer mounted on the carriage measures the deceleration rate when it impacts the tire (“G-force”). A violent impact delivers a sharp jolt to the rider and increases the danger of rim damage or a flat tire. CushCore reduced impact force by 50% compared to standard tubeless tire.
SECTION ONE _1.1
16% BETTER SUSPENSION PERFORMANCE
“A 150mm travel bike feels like it has 173mm”
SUSPENSION PERFORMANCE TESTING
Motion Instruments, a data acquisition testing specialist, used sensors to measure suspension travel usage with and without CushCore. More about testing methodology.
The table shows the total suspension travel used during the test. Adding up all the compression strokes during 4-hours of testing, test bikes with CushCore used 15-16% less suspension travel.
This shows that CushCore absorbed some of the bump forces before they affected the rest of the bike.
SECTION TWO _2.0
35% MORE SIDEWALL SUPPORT
CORNERING PERFORMANCE TESTS
In addition to Motion Instruments’ testing, CushCore conducted tests to evaluate cornering performance using an MTS Roehrig EMA-2K suspension dyno.
Lateral Stiffness Test: The tire sidewalls are compressed equally from both sides. This measures sidewall stiffness. CushCore increased sidewall stiffness by 35%.
Tire Roll Test: The rim is fixed in position while the actuator presses against one side of the tire and deflects it horizontally (see photo right). This mimics the forces exerted on the tire in aggressive cornering. CushCore reduced tire roll by 25%.
SECTION THREE _3.0
12% MORE VIBRATION ABSORBED
Motion Instruments, mounted accelerometers (“G-force” sensors) to two test bikes and ran a 15 mile course with CushCore and without CushCore. The accelerometer is mounted to the head tube, which can accurately measure bump forces as they are experienced by the rider.
The test recorded cumulative G-forces (“shock & vibration”) — all the bumps added together during 4 hours of riding. Riders with CushCore experienced 11-12% reduction in shock and vibration. The riders felt a smoother ride and less fatigue.
SECTION THREE _3.1
3% LESS ROLLING RESISTANCE
LOWER TIRE PRESSURE
ROLLING RESISTANCE TESTING
Wheel Energy, an independent tire and wheel testing contractor based in Finland, performed rolling resistance tests for CushCore. They apply a fixed load to simulate the rider’s weight and roll the wheel on a drum. The test compares a Schwalbe Nobby Nic 2.35 tubeless tire with and without CushCore at 25 psi.
CushCore reduced rolling resistance by 3.2% compared to standard tubeless tires.
SECTION FOUR _4.0
THREE STAGES OF TIRE SUSPENSION
SMALL TIRE DEFLECTIONS
Under normal load or “just rolling along”
MEDIUM TIRE DEFLECTIONS
Bumps and corners that flex the tire sidewalls
LARGE TIRE DEFLECTIONS
Impacts that fully collapse the tire
“I like the fact that the insert holds the bead and helps reduce burping under extreme cornering conditions.”