Cheapest AlpinestarsNucleon KR-1 Celli Back Protector Insert - Black / Red
★★★★★4.822 reviews
Alpinestars Nucleon KR-1 Celli Back Protector Insert - Black / Red Polymetric Cell impact absorbing construction Very flexible and extremely lightweight Highly perforated for maximum breathability Horizontal grooves for an adaptive back fit Compatible with Nucleon KR-C chest armour Soft bio-foam padded chassis for comfort OptionMaximum heightMaximum...
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Last checked24 May 2026
CategoryMotorcycle Accessories
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Alpinestars Nucleon KR-1 Celli Back Protector Insert - Black / Red Polymetric Cell impact absorbing construction Very flexible and extremely lightweight Highly perforated for maximum breathability Horizontal grooves for an adaptive back fit Compatible with Nucleon KR-C chest armour Soft bio-foam padded chassis for comfort OptionMaximum heightMaximum widthSmall38.5cm22.5cmMedium42.0cm24.5cmLarge44.5cm26.5cm
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Rider verdict
★★★★★4.822 reviews
Customers have praised this back protector for its perfect fit and comfort when inserted into their jackets. Its lightweight and unobtrusive design allows wearers to forget it’s there while ensuring mobility and air flow. Many highlight its premium build quality and the peace of mind it provides, even if it feels a bit stiff initially. Its flexibility, ventilation, and protective features make it a valuable addition for those looking to enhance safety while riding. Highly recommended for anyone seeking reliable protection.
Alpinestars, a truly world class brand of motorcycle apparel. Founded in the early 1960s by Sante Mazzarolo, Alpinestars has grown to be a world leading manufacturer of professional racing products such as leather jackets, jeans, boots and 1 piece suits. Whilst their leathers are worn by some of the biggest names in bike racing, they also specialise in high performance textile jackets, jeans and gloves. From F1 to Karting, the World Rally Championship to NASCAR, Alpinestars work with the very best drivers and riders to bring design innovations to all aspects of professional motor-sport.
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