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Alpinestars Nucleon KR-1 Back Protector - Black / White

Level 2 CE approved strap-on back protector

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Customer Reviews for Alpinestars Nucleon KR-1 Back Protector - Black / White

March 9, 2017

Great ptoduct

L and XL are same in size!, only the waist straps differ in length. I went with L, because the XL straps were a way too long. It makes my old Alpinestars back protector look useless. Very happy with the upgrade.

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October 25, 2016

Comfortable back protecter

Used straight for a track day and didn't feel like you were wearing anything. Very comfortable. A recommended buy.

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October 9, 2016

Great fit

Very impressed with this product, holds close to the spine. The waist band allows to keep snug and stop moving.

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April 30, 2016

Contours perfectly

I reviewed a number of back protectors before settling on this one. CE LEVEL 2 which is better than 1 and offers lower levels of energy transfer which is what you want. It contours perfectly with you're back and after you've had it on for a few minutes you forget it's even there. Goes perfectly with the KRC and you can attach the straps to have a complete chest and back protection unit. Delivery timings excellent.

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March 30, 2016

Spot on product

Bought this product and read other reviews. I'm 6 Ft so went for the large size. Fits a treat and is unobtrusive. I got used to it immediately and it's reassuring to wear. You never know do you! Would recommend.

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July 2, 2015

Lightweight and comfortable

I've tried a few back protectors with no major complaints but the KR-1 is outstanding its light very comfortable and unobtrusive to wear under my leathers. I am exactly 6 ft tall and fall in between the medium and large sizes on the size guide so ordered the medium but it felt too short and didn't give me the cover I wanted so I exchanged for a large size and got the perfect fit. I couldn't be happier with the service from Sportsbikeshop, they've been very helpful and extremely quick.

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Press Reviews for Alpinestars Nucleon KR-1 Back Protector - Black / White


Alpinestars Nucleon KR-1 Back Protector - Black / White

  • Back protection CE certified Level 2 to the latest back protector standard revision
  • Featuring hard-shell vertebrae protection
  • High energy absorbing viscoelastic memory foam
  • Ergonomically profiled for sport riding with superb ventilation features
  • Extremely lightweight and breathable

The Nucleon KR-1 hybrid back protector incorporates race-oriented back protection CE certified Level 2 to the latest back protector standard. Superb ergonomics and ventilation features make this extremely lightweight protector ideal for street or performance riding.



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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