Dunlop Direzza ZII 215/45R17 87W

The Dunlop Direzza ZII 215/45R17 87W is an ultra-high performance tyre built for drivers who want race-bred grip on road and track. A high-stiffness carcass and big shoulder blocks deliver razor-sharp steering, fast turn-in and stable braking, while the advanced summer compound heats up quickly for consistent, repeatable laps. Optimised grooves help clear water for confident wet control, and the robust tread fights heat fade for lasting pace. Street legal and track proven, Direzza ZII upgrades your lap times and feel. Check availability, choose your size and book fitting today.

Extreme-grip summer compound. This motorsport-derived, high-silica, micro-carbon black cap compound uses functionalised polymers and advanced silane coupling to maximise filler dispersion, delivering a high friction coefficient on hot, coarse-chip asphalt while controlling hysteresis-induced heat build-up for lap-after-lap consistency; rapid warm-up characteristics mean the tyre reaches its operating window quickly on New Zealand roads and circuits, and the optimised glass transition temperature and resin system provide strong wet-film adhesion without sacrificing dry shearing stiffness, so you get sharper turn-in, shorter braking distances, and measurable gains in lateral g at typical club-level track temperatures.

Rigid shoulder blocks. The enlarged, tie-bar reinforced outer shoulder blocks and low-void land ratio create a high lateral spring rate at the tread edge, minimising block squirm and deformation under high camber load; this preserves contact patch geometry during peak slip angles, generating a steep, linear Fy versus slip-angle curve and predictable breakaway, allowing you to carry more mid-corner speed and throttle earlier on exit, while the stiffer edge design also spreads shear stress to reduce localised heat and wear for more consistent performance across long sessions.

Continuous centre rib. A solid centre rib with high longitudinal stiffness stabilises the contact patch under braking and small steering inputs, improving on-centre feel, yaw gain, and transient response; by reducing longitudinal tread element compliance and tread block micro-movement, the Dunlop Direzza ZII 215/45R17 87W delivers cleaner ABS events, shorter 100–0 km/h stops, and reduced tramlining on rutted seal, while the uninterrupted rib also enhances torque transmission for stronger acceleration out of slow corners.

Jointless Band construction. Dunlop’s Jointless Band cap ply construction uses a spirally wound nylon reinforcement over high-angle steel belts to control circumferential growth and belt edge lift at speed, keeping the footprint flat and pressure distribution uniform under heavy load, heat and centrifugal force; this increases high-speed stability and reduces ply steer and radial force variation, translating to a smoother, more precise feel and repeatable lap times, with improved durability through lower interply shear and reduced risk of flat-spot development during aggressive braking.

Optimised directional tread. The directional pattern with wide, straight circumferential grooves and lateral evacuation channels accelerates water clearance from the contact patch, increasing the hydroplaning speed and maintaining a high effective land area in light-to-moderate rain; coupled with the tyre’s high-stiffness carcass, this geometry preserves edge biting and footprint continuity so you retain steering authority and braking stability when showers roll through, without compromising the dry road grip that makes the Dunlop Direzza ZII 215/45R17 87W a go-to choice for spirited driving and track days.