Motorcycle standard, four pistons calipers, alloy levers and 220mm/3.2mm stainless steel rotorsĪn industrial standard 15kW IPM motor (interior permanent magnet) was customized in Europe specifically to run on the Kalk and is powered by a 51.8 Volt, 50Ah battery with an in-house designed engine mapping for a dynamic performance. Öhlins TTX dampening technology, Nitrogen pressurized bladder reservoir system, 3-level high speed and 16 click low-speed compression and 7 low-speed rebound adjustment. Adjustable for high-speed compression, low-speed compression, and low-speed rebound. Perimeter steel-aluminum composite High-strength polyamide, ABS plasticģ8mm Ohlins stanchion upside-down fork is air/oil sprung with 204mm travel. The rear shock also gets upgraded with improved valves and linkage ultimately gaining better overall handling.Ħ061 aluminum, extruded, CNC jointed and welded The suspension setup on the MXR also sees an upgrade with the stiffer WP 4CS being swapped with the higher spec WP AER suspension giving the bike significant weight savings and infinite tunability. All of this coordinates with very specific strength, weight, and stiffness goals to produce the best-handling motocrosser ever made. It is also the main structural hub, connecting to the rear suspension, the airframe, the forged chassis, and the trellis skidframe. The outer motor casing, cooling circuit, as well as the transmission case for the gear reduction is all handled by the Redshift Bulkhead. “This placement coupled with a very low counter-rotational mass allows for the lowest polar moment of inertia in motorcycling - drastically minimizing any gyroscopic impediment to handling.” Says Alta. Alta’s liquid-cooled 14,000 RPM motor sits bang on the center and is purposefully designed to be located at the roll center of the bike.
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