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Alpinestars Nucleon KR-CiR Chest Protector

Item: P295322
Rebate Available! View Details
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Product Details

Alpinestars Nucleon KR-CiR Chest Protector

The Nucleon KR-CiR is a high performance, lightweight track and race chest protector certified to CE level 2 and prEN 1621-3:2013. It is a perfect combination with the KR-R back protector for maximum protection. Designed to simply sit inside the front of  your race suit with no pockets, straps, snaps or VELCRO® brand closures required. 

Sizing Info:

Height (in)  Protector Size
56.75 - 68 XS-SM
68 - 76.5 MD-XL

Product Style RevZilla Item # MFR. Product # Availability
Product Style XS-SM RevZilla Item #1012242 MFR. Product #6702015-10-XSS AvailabilityAvailable: Requires 1-3 business days of lead time prior to shipment
Product Style MD-XL RevZilla Item #1012243 MFR. Product #6702015-10-MXL AvailabilityIn Stock: Ships within 24 hours


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Reviews & Questions

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Browse 6 questions Browse 6 questions and 10 answers
Why did you choose this?
RevZilla Store
Only use Astar. Chest protector for race.
RODRIGO R on Aug 26, 2017
No worries about insert pockets. Can use them underneath any leather or riding jacket
Rakesh S on Jul 14, 2017
Only use Astar. Chest protector for race.
RODRIGO R on Aug 26, 2017
Value and protection
Richard K on Aug 7, 2017
No worries about insert pockets. Can use them underneath any leather or riding jacket
Rakesh S on Jul 14, 2017
Fits easily and securely under my Laguna Seca race suit
Brian B on Mar 29, 2017
Want a chest protector for the track. This seems to be one of the few CE L2 certified ones.
Supposed to be light, flexible and well vented. My racing suit is tight enough, so this should stay in place.
Let's see if all of this holds true when it gets here. Ship if FAAAAAAST, 'Zilla!
multispoke on Nov 29, 2015
Had a tumble got some cracked ribs also bruising to the chest and back. Anything to make track and race days safer...
Matty555 on Jul 1, 2015
Because I don't want to have mushy innards in case of a violent one off.
Rasheed H on Feb 24, 2015
Value and protection
Richard K on Aug 7, 2017
Fits easily and securely under my Laguna Seca race suit
Brian B on Mar 29, 2017
What Alpinestars jackets are compatible with this chest protector?
Matthew H on Feb 27, 2015
BEST ANSWER: None. This is made for race suits. You want something sold with a harness.
Does this come with some sort of strap or insert to keep it on the chest and body?
Dan A on Apr 3, 2015
BEST ANSWER: Nope, just slide it in when zipping up. If your suit fits right it won't have a lot of room to move. It is also a fairly flexible material.
how wide and tall is the med-xl size?
jon w on Apr 20, 2018
What chest protection is recommended with the Tech air race suite size 54?
lee m on Dec 22, 2017
Is there any type of harness for if it doesn't stay in place itself?
Hakan U on Jul 26, 2018
BEST ANSWER: I don’t think a harness is sold. But I had a pouch sewn on the inside of my suit to hold mine in place.
10 Customer Reviews
10 5/5
5 Questions & 3 Answers
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