Alpinestars
Alpinestars Nucleon Flex Pro Ci Chest Protector Insert
Item: #774661 | Part Number: Not Selected$49.95
Description
The Nucleon Flex Pro Ci features an easy-to-use, unisex, divided CE-certified Level 2 chest protector. Highly ventilated and very lightweight, the ergonomically designed protectors are excellent for everyday riding. Features: Unique Nucleon Flex Pro microstructure is designed for advanced energy absorption, adaptivity, maximum breathability and air flow Constructed from a...
Alpinestars Nucleon Flex Pro Ci Chest Protector Insert Item # 774661

Description
The Nucleon Flex Pro Ci features an easy-to-use, unisex, divided CE-certified Level 2 chest protector. Highly ventilated and very lightweight, the ergonomically designed protectors are excellent for everyday riding.
Features:
- Unique Nucleon Flex Pro microstructure is designed for advanced energy absorption, adaptivity, maximum breathability and air flow
- Constructed from a high performance polymeric material blend for optimized flexibility and excellent weight saving properties
- Ergonomic protection plate contours to the natural curve of the body ensuring optimum fit for men and women
- The chest protector's structure provides the perfect balance between force dispersion and energy absorption
- The Nucleon KR-Ci is a high performance, super lightweight track and race chest protector featuring Nucleon Flex Pro Technology
- Sold in pairs
Part Numbers for Alpinestars Nucleon Flex Pro Ci Chest Protector Insert
Reviews
Rated 5 out of
5
by
Downtown35 from
Flexible Protection
Fits the insert pockets of my Alpinestars DryStar jacket perfectly. Nice flexible protection that isn't bulky or uncomfortable and it's well-ventilated for warmer rides.
Date published: 2025-05-12
Rated 5 out of
5
by
Leon from
Chest protectors
Fit nicely in my t sp x superair jacket. Very nice add on for safety.
Date published: 2025-04-28
Rated 5 out of
5
by
Flats from
Great product
Light weight , flows tones of air are rakes my jacket safety to the next level.
Date published: 2023-02-23
Rated 5 out of
5
by
AL L from
Great protection upgrade
I don’t even feel it once you have it on. Vent a lot of air and very comfortable to ride on.
Date published: 2021-06-04
Questions
I have a Medium Alpinestars jacket. What size should I get?
S fits XS, SM, 42-50 Alpinestars jackets
L fits MD-4XL, 50-64 Alpinestars jackets
You would need size large.
Date published: 2024-07-25
How thick are these pieces?
They are 3/8".
Date published: 2024-03-28