Street Bike Back Protection

The ALPINESTARS Nucleon KR-3 Back Protector delivers impact absorption where it matters most—your spine—without the bulk or heat buildup that compromises comfort during extended riding sessions. Its layered foam construction and convex shell design work...

Hip protection is non-negotiable when you're serious about riding—impacts to the hip flexors and pelvis can sideline you for months. The ALPINESTARS Nucleon KR-H combines engineered impact absorption with a design that won't restrict your mobility or add...

High-speed crashes demand protection that won't slow you down. The ALPINESTARS Nucleon KR-Cell Back Protection Insert delivers race-proven impact absorption in a design so lightweight you'll forget you're wearing it. Whether you're logging track days or...

Back injuries can sideline a rider permanently, which is why proper protection isn't optional—it's essential. The ALPINESTARS Nucleon KR-Cell delivers impact absorption and spinal support without the bulk or heat buildup that compromises mobility and...

Back protection isn't negotiable in motorsports—high-speed crashes generate forces that demand serious impact absorption. The ALPINESTARS Nucleon KR-Cell combines a triple-layer polymeric construction with ergonomic contouring to shield your spine and...

Spinal injuries can end a riding career—the Nucleon KR-3 is engineered to prevent that outcome. This back protector combines a rigid convex shell with adaptive soft-foam technology, absorbing impact energy before it reaches your vertebrae. Whether you're...

Serious riders demand back protection that adapts to their body, not the other way around. The ALPINESTARS Nucleon KR-3 combines impact-absorbing viscoelastic foam with a flexible lattice structure, delivering real spinal protection without the bulk or...

Spinal injuries can end a racing career before it starts. The ALPINESTARS Nucleon KR-3 delivers multi-directional impact absorption with a convex hard shell that protects your spine while maintaining the flex and breathability you need to stay...

Back protection shouldn't force you to choose between safety and mobility. The ALPINESTARS Nucleon KR-Cell delivers impact absorption and force dispersion without restrictive bulk, allowing full range of motion while keeping your spine protected during...

Serious riders know that back protection isn't optional—it's essential. The ALPINESTARS Nucleon KR-Cell Back Protector delivers multi-layer impact absorption and ergonomic support without the bulk or restriction, so you can focus on the ride. Built with...

The lower spine and tailbone endure significant impact during aggressive riding, and standard back protectors often leave this vulnerable area exposed. The ALPINESTARS Nucleon KR-TB Tailbone Protector fills that gap with targeted, impact-absorbing...

Whether you're logging track days, commuting on two wheels, or pushing limits on the street, spinal protection shouldn't compromise mobility or comfort. The ALPINESTARS Nucleon KR-Cell Back Protector delivers impact absorption across three contact points...

The ALPINESTARS Nucleon KR-1 Cell Back Protector is engineered for riders who demand serious impact protection without sacrificing mobility or breathability. Its adaptive polymer construction and flexion grooves allow full range of motion through corners...

Back protection is non-negotiable in motorsports—impacts to the spine can end careers. The ALPINESTARS Nucleon KR-R delivers serious impact absorption without compromising mobility or breathability, letting you focus on your line instead of your gear...

Back protection isn't optional when you're pushing your limits on track or road—the ALPINESTARS Nucleon KR-R Cell is engineered to absorb and disperse impact energy where it matters most. This back protector combines lightweight, high-performance...

A quality back protector isn't optional if you're serious about riding—it's essential insurance against impact injuries that can end careers. The ALPINESTARS Nucleon KR-1 Cell delivers CE-certified protection with the mobility and breathability you need...

Back protection isn't optional in serious riding—it's essential. The ALPINESTARS Nucleon KR-1 delivers impact absorption where it matters most, with a design that moves with your body rather than against it. Whether you're logging track days or pushing...

Back injuries can sideline a rider permanently, making proper spinal protection non-negotiable whether you're on track or the street. The ALPINESTARS Nucleon KR-1 delivers certified impact absorption through a high-performance polymeric blend that flexes...

Back protection isn't optional in motorsports—it's essential. The ALPINESTARS Nucleon KR-1 delivers race-grade impact absorption without the bulk, using a engineered polymeric blend that flexes with your body while maintaining structural integrity...

Back protection isn't optional when you're serious about riding—it's essential insurance against injury. The ALPINESTARS Nucleon KR-Cell delivers CE-certified impact absorption in a design light enough to forget you're wearing it, letting you focus...