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Nucleon KR1 Cell Back Protector w/Straps | Red Black S/56 164-182cm, image 1

Alpinestars

Nucleon KR1 Cell Back Protector w/Straps | Red Black S/56 164-182cm

Protection - StreetSKU AS650452000956

Cheapest we found

$199.95

at AMA Warehouse

Only one recent in-stock price to compare.

Based only on in-stock prices checked in the last 30 days. 3 stores checked; dates for every store are shown below.

Recorded store prices

Prices we recorded when we last checked each store for this exact variant.

AMA Warehouse$199.95CheapestIn stockXPERT Moto Gear$196.95Out of stockCully's Yamaha$199.99Out of stockmay be out of date

Product details

ALPINESTARS NUCLEON KR1 CELL BACK W/ STRAPS - RED/BLACK

The Nucleon KR-1 Cell back protector incorporates race-orientated back protection. Featuring hard plastic lattice structured shell, this innovative back protector is uncompromising in safety and performance. Ergonomically profiled for sport riding with superb ventilation, the Nucleon KR-1 Cell is extremely lightweight and breathable. Cell Technology back protector is constructed from a high performance polymeric material blend for optimized flexibility and excellent weight saving properties.
  • Developed in three waist-to-shoulder dimensions in order to cover all body sizes.
  • Extended lower back protector offers more protection to the rider.
  • Highly perforated for maximum breathability and ventilation.
  • Horizontal flexion grooves for an adaptive fit in different riding positions.
  • Adjustable and detachable elastic shoulder straps via a snap fit system for greater comfort.
  • Compatible with the Nucleon KR-C protector by removing the adjustable straps.
  • Compatible with the Nucleon KR-TB protector for extended lower spine protection.
  • Height adjustable kidney belt featuring dual hook and loop closure system for easy, secure closure.
  • Soft Bio-Foam padded chassis for maximum comfort.

Price history

Recorded changes for this exact variant.

Step chart of dated store-price observations. Solid lines show confirmed crawl coverage, dashed lines show overdue missed-check spans, and every line stops at the last confirmed price.

  1. 1AMA Warehouse3 points · last checked 22 Aug 2026
  2. 2XPERT Moto Gear3 points · last checked 22 Aug 2026
  3. 3Cully's Yamaha2 points · last checked 14 Aug 2026

Solid steps show periods confirmed by the store’s change-only price history and completed crawl record: if the price had changed at a check, another point would appear. Dashed steps show overdue periods with no completed crawl confirmation. Every line stops at that listing’s last confirmed check and is never extended to today. Prices are not live and may have changed since the last point shown.

How we collect and compare prices
Cheapest we found: $199.95 · AMA WarehouseJump to comparison