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Alpinestars Nucleon KRR Cell Back Protector

The Cell Technology used in the Alpinestars Nucleon KR-r Cell Back Protector allows for flexibility and weight savings. Highly perforated material provides great breathability making it ideal to wear underneath an Alpinestars race suit or jacket with the corresponding snap-on system to hold the top of the armor in place.

Features:

  • Level 2 CE-certified track and race back protector
  • Developed in three waist-to-shoulder dimensions in order to cover all body sizes
  • The new Cell Technology back protector is constructed from a high performance polymeric material blend for optimized flexibility and excellent weight saving properties
  • Extended lower back protector offers more protection to the rider
  • Highly perforated for maximum breathability and ventilation
  • The ergonomically designed protector contours to the natural curve of the back ensuring an optimum fit while riding
  • Horizontal flexion grooves for an adaptive fit in different riding positions
  • 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
Product Style RevZilla Item # Store Sku MFR. Product # Availability
Product Style Black/Red / LG RevZilla Item #1726954 Store Sku MFR. Product #6505020-009-L/8059175100406 AvailabilityOnly 1 Left: Ships within 24 hours
Product Style Black/Red / MD RevZilla Item #1726955 Store Sku MFR. Product #6505020-009-M/8059175100390 AvailabilityOut of Stock
Product Style Black/Red / SM RevZilla Item #1726956 Store Sku MFR. Product #6505020-009-S/8059175100383 AvailabilityIn Stock: Ships within 24 hours
Product Style Black/Red / XL RevZilla Item #1726957 Store Sku MFR. Product #6505020-009-XL/8059175100413 AvailabilityOnly 2 Left: Ships within 24 hours
Product Style Black/Red / XS RevZilla Item #1726958 Store Sku MFR. Product #6505020-009-XS/8059175100376 AvailabilityIn Stock: Ships within 24 hours

Alpinestars Back Protector Sizing

Euro Size US Size Alpha Size Chest (cm) Waist (cm) Height (cm)
40-42 30-32 2XS 78-83.5 63-69 157-162
42-44 32-34 XS 83.5-89 69-75 163-168
46-48 36-38 SM 89-94.5 75-81 169-174
48-50 38-40 MD 94.5-100 87-82 175-179
52-54 40-42 LG 100-105.5 87-92 180-184
54-56 44-46 XL 105.5-111 92-97 185-189
58 48 2XL 111-116.5 97-102 190-194
60-62 50-52 3XL 116.5-122 102-107 190-194

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.


How to Measure

  • C Chest
    Measure around the fullest part of your chest, under the armpits, keeping the measuring tape parallel to the ground.
  • H Height
    With no shoes on, stand with your back against a wall and your feet together. Measure from the floor to the top of your head.
  • W Waist
    Measure around your natural waistline, around the top of the hip bones, inline with the navel while keeping the measuring tape parallel to the ground.
Product Description
Part Numbers
Sizing & Fit
3 Customer Reviews
3 4.5/5
2 Questions & 2 Answers
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