Shop by Vehicle
Track Order
Contact Us
Product Details
Alpinestars Nucleon KR1 Cell Back Protector
The Alpinestars Nucleon KR1 Cell Back Protector uses Cell Technology for a lightweight back protector with plenty of flexibility. Add the KR1 underneath your race suit or whatever gear you're running for a full coverage back protector that straps to your body.
Features:
- 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 chest protector by removing the adjustable straps
- Compatible with the Nucleon KR-TB tail bone 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
- CE certified to EN 1621-2:2014 Level 2
| Product Style | RevZilla Item # | Store Sku | MFR. Product # | Availability |
|---|---|---|---|---|
| Product Style Black/Red / LG | RevZilla Item #1726959 | Store Sku679311 | MFR. Product #6504520-009-L/8059175100352 | AvailabilityIn Stock: Ships within 24 hours |
| Product Style Black/Red / MD | RevZilla Item #1726960 | Store Sku679310 | MFR. Product #6504520-009-M/8059175100345 | AvailabilityIn Stock: Ships within 24 hours |
| Product Style Black/Red / SM | RevZilla Item #1726961 | Store Sku679309 | MFR. Product #6504520-009-S/8059175100338 | AvailabilityIn Stock: Ships within 24 hours |
| Product Style Black/Red / XL | RevZilla Item #1726962 | Store Sku679312 | MFR. Product #6504520-009-XL/8059175100369 | AvailabilityIn Stock: Ships within 24 hours |
| Product Style Black/Red / XS | RevZilla Item #1726963 | Store Sku | MFR. Product #6504520-009-XS/8059175100321 | 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.
