70/100-19 Pirelli MX32 M/SOFT 42M Front

Description

70/100-19 Pirelli MX32 m/soft 42M front

The pirelli scorpion MX32 mid soft in 70/100-19 42M is a race-proven, soft-to-intermediate front tire widely considered the benchmark for front-end cornering precision and rut tracking. The 19-inch sizing is designed for big wheel 85cc, 105cc, and 112cc mini motocross bikes.Specificationdetailswidth70 mmaspect ratio100% (70 mm tall sidewall)wheel diameter19 inchespositionfrontterrain typesoft to intermediate (mud, sand, loose loam, mixed soil)load / speed rating42M (max load: 330 lbs / 150 kg; max speed: 81 mph / 130 km/h)typetube type (TT), bias-plykey characteristics & technologiesv-shaped block layout: central tread blocks are arranged in a v-shape layout to maximize straight-line braking stability and force mud evacuation in wet conditions.Side knob lateral support: specialized side knobs feature bridge supports that prevent knob flex during deep lean angles, providing razor-sharp line holding in deep ruts.Race-proven compound: formulated with high thermal stability to ensure consistent grip from the opening lap through long motos without rubber degradation.Lightweight carcass: features a flexible carcass design that dampens high-speed terrain chatter over braking bumps, reducing arm pump for mini riders.Optimal pressure setup

Soft loam / deep sand: 12.0 – 12.5 PSI (allows central v-shaped blocks to cup and scoop soil)

Standard intermediate dirt: 12.5 – 13.0 PSI (balances tire profile flex with rim lock integrity)

Hardpack / square-edge bumps: 13.5 – 14.0 PSI (prevents rim damage and minimizes side-knob roll on flat turns)

Key performance advantages

Rut precision: the stiffened lateral bridge ties between the shoulder knobs hold line trajectories in soft, deep ruts better than most competitors without slipping out.

Braking traction: central v-knobs act as continuous paddle edges during straight-line heavy braking, preventing front-end wash-out entering corners.

Carcass damping: dual-ply nylon construction absorbs high-frequency vibrations from brake bumps before transferring energy to the handlebars, reducing forearm fatigue.

Potential drawbacks

Faster wear on hardpack: due to the soft, racing-oriented rubber compound, riding extended sessions on dry, hardpack clay or rocky soil will accelerate knob rounding and risk side knob tearing.