PROCORE system is a joint development with Syntace, but it can be mounted in all conventional wheels that have a minimum internal width of 23 millimeters. Weight per wheel is 200 grams and is available to special order in all three mountain bike wheel diameters. Tyre pressures can be reduced to a minimum 14 psi, offering a level of grip almost unknown. Extremely sensitive cushioning. Improved steering, braking and traction control. No more risk of snake bites. The rims are extremely well protected from denting. Significantly lighter tyres can be used. Prevention of burping