Name: Alpinestars Nucleon Flex Proi Full Back Protector Insert
Brand: Alpinestars
SKU: 2702-0287
Price: 89.95 USD
Availability: InStock

Alpinestars Nucleon Flex Proi Full Back Protector Insert - Motor Psycho Sport

$ 89.95

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Size

Color

Transparent Smoke/Red

Quantity

Earn 5% Ride Rewards on every purchase

Authorized Dealer

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No Sales Tax, except California

90 Day Free Returns & Exchanges

Size chart

Click the links below for the applicable size chart you need, thanks!

6D Size Charts

AGV Size Charts

Alpinestars Size Charts

Arai Size Charts

Fly Racing Size Charts

Icon Size Charts

O'Neal Moto Size Charts

O'Neal Bike Size Charts

Thor MX Size Chart

Earn [points_amount] when you buy this item.

We are an Authorized Dealer for all the Brands that we sell. Below are the links to our distributors who authorize us to carry what we sell.

Helmet House is our distributor for...

SHOEI - HJC - ALPINESTARS - CORTECH - TOURMASTER - SENA - SIDI

https://helmethouse.com/dealers/4955008-motor-psycho-sport.html

Parts Unlimited - Drag Specialties - LeMans Corp is our distributor for...

ARAI - ALPINESTARS - THOR - ICON - MOOSE RACING - Z1R - SENA - DUNLOP - METZELER - FMF - MOTUL - MAXIMA - RENTHAL - YOSHIMURA - TWIN AIR - ODI - 100% - SPECIALIZED - CRANKBROTHERS - MICHELIN - AGV - FACTORY EFFEX - AFX - AND MORE!

https://www.parts-unlimited.com/find-dealer (Type in 91320 for our zip code)

Parts Unlimited is the largest powersports distributor in the United States. They are now the exclusive distributor for Arai Helmets in the U.S.. Their house brands are Icon, Moose, Thor, AMS, Z1R, Arctiva and more.

WPS - Western Power Sports is our distributor for...

ALPINESTARS MX - GAERNE - FLY RACING - ODI - FMF - SCORPION - MIKA METALS - HIGHWAY 21

https://www.wps-inc.com/dealer-locator?distance=25&location=91320

Western Power Sports or WPS is the faster growing distributor currently. Their house brands are Fly Racing and Highway 21.

Turn14 Distribution is our distributor for...

ANSWER - MSR - PRO TAPER - FMF - GAERNE - ACERBIS - ATHENA - DRAGONFIRE - CYCRA - EVS - FIRSTGEAR - SPEED & STRENGTH - GIANT LOOP - RIVER ROAD - USWE - VANCE AND HINES - WISECO

https://www.turn14.com/about

Turn14's house brands are Answer, MSR, Pro Taper, Renthal, Vance & Hines, Firstgear, and Speed & Strength.

O'NEAL & OGIO POWERSPORTS is our distributor for...

O'Neal - OGIO

O'neal doesn't have a dealer locator but we buy direct from O'Neal and also use them for OGIO Powersports as they are the U.S. distributor for OGIO POWERSPORTS. OGIO is owned by Callaway Golf.

Bell Helmets Dealer Locator

https://troyleedesigns.com/pages/store-locator (Type in 91320 Zip Code)

Features

Hybrid technology Alpinestars' Nucleon Cell and Flex technologies providing ventilation and flexibility
Ergonomically contoured dual zone outer shell
Advanced polymeric blend with a solid cell structure core framed by a more flexible 3D cell structure
Nucleon Flex technology layer on the central back zone
More protection coverage in critical area
Lightweight, ventilated and ultra-comfortable technology
Rigorously tested and certified for proven performance in extreme temperatures

Earn 5 points for every order placed

The more you spend, the more you save.

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Let customers speak for us

from 458 reviews

Excellent service

This was my first purchase from the Motor Psycho Sport. I ordered an open box helmet. My order arrived on time. The item was exactly as advertised. Very satisfied with my purchase and service. Will definitely order again.

A.K.

01/12/2025

Shoei GT-Air II Helmet - White - Size 2XL - USED / OPEN BOX

Arai pro 4 Stars and Stripes Frost

Measured my head and went by the size chart and ordered the XL and the fit was good, felt just a bit snug at first in the forehead but wore it around in the house for a few days and it has settled in just right, really happy with the purchase and service

sylvester pocius

01/10/2025