MAB v4


Removable summer jacket with airbag vest equipped with two synchronized airbag devices with Fast Lock technology to wear over your jacket, adjustable sizes, made of high tenacity polyester. Color Grey/Fluo Fluo/Black with reflex inserts. Supplied with a ring to connect to the motorcycle seat. The airbag is already activated. Reusable

Quick Info SKU: D4039N Category:


Waistcoat with integrated and removable perforated jacket
EN1621-4 certified as AIRBAG for motorcyclists
100% reliable mechanical trigger
Regenerable after one activation
Protection volume = 25 litres
Synchronizer to manage the two airbag systems
Ignition via Fast Lock
Fluo and reflex inserts
External pocket
To be worn over the jacket
Side adjustment to be worn over heavy + layered jackets in winter or light in summer.

2 airbag systems
Rear airbag for full-width back, sacral and cervical protection. MAB v3 is certified AIRBAG EN1621/4 FB Level 2. Residual force after impact test 1,4 kN (Limit Level 1 AIRBAG= 4.5 kN; Limit Level 2 AIRBAG = 2,5kN)
Front airbag for chest, neck and abdomen protection. AIRBAG Certified EN1621/4 DC Level 2 Residual force after impact test 0,8 kN (Limit Level 1 AIRBAG= 4.5 kN; Limit Level 2 AIRBAG = 2,5kN
Fast Lock technology to manage accident recognition in a complete and reliable way
80 millisecond inflation time for both airbag systems to inflate
Total volume 25 liters (15 liters rear airbag and 10 liters front airbag)
Airbag system weight: 800 g rear airbag – 600 g front airbag. Total weight 2.1kg
Reusable: once MAB is activated, it can be recharged by the user in a few minutes, using the recharge kit, after a simple check described in the manual
Equipped with an external pocket to be used as a document holder
Made of high tenacity polyester with a perforated structure
The internal part is made of 3D material which allows air to pass through the cavities
There are fluorescent inserts and reflective parts to increase the degree of visibility of the gilet
Laterally there are hinged adjustments that allow the passage from one size to another,
The inner jacket is equipped with EN1621-1 Levels 2 shoulder and elbow protection
The inner jacket can be detached from the MAB v4 gilet which can be used over all other jackets as if it were a MAB v3
In the event of rain, the inner jacket can be quickly unfastened from the MAB v4, covered with a rain suit (not supplied) and worn over the MAB v4
The inner jacket is made of high tenacity polyester with an open mesh to let the air pass well, dragging it inside the chest and back.
The inner jacket n, in the part overlapping the MAB v4 gilet, is made of very large-mesh mesh for maximum air circulation.
Also on the side there are further tape adjustments if MAB is used in summer over a light jacket or in winter over a triple layer jacket
Inside there is a waist belt to be adjusted and connected to keep MAB always in the correct position, both when driving and in case of activation
On the sides and shoulders there are elastic inserts which expand in the event of activation both to allow the two airbag systems to expand correctly and to ensure that the rider is not oppressed by the airbag system: with the airbag inflated it is still possible to continue ride, get off or off the bike, turn your head to look around, breathe normally
The two airbag systems are equipped with valves for automatic inflation: the protective state of the MAB lasts about 30 seconds and then deflates completely within a few minutes
Fast Lock is connected to the synchronization system which allows the airbag to be activated closer to the impact situation. For example, in a frontal impact, the front airbag is activated early and the rear one is activated after a few thousandths. For rear-end collisions, first the rear airbag and then the front one. In any case, both airbags deploy
There are slots in the vest that allow Fast Lock to come out of the vest. Fast Lock, after activating MAB, releases and remains attached to the saddle
MAB is equipped with an anti-accidental activation system: before activating the airbag system it is necessary to extend the cable, overcome the elastic recoil force of Fast Lock and apply a load of 15 kg. A small sticker is also inserted to put on the dashboard to remind you of the first uses
The new design of MAB v4 allows you to wear it over any type of jacket in a very comfortable way, especially at shoulder height, it integrates well with the shoulder protectors present in motorcycle jackets.
Fast Lock is compatible with the Mini Frog miniaturized quick release

Front airbag – AIRBAG EN1621/4 Level 2 DC certified (Maximum level)
Rear airbag – AIRBAG EN1621/4 Level 2 FB certified (Maximum level)
EN1621-1 Level 2 certified elbow shoulder protectors
Trigger system with Fast Lock with analog accelerometer

Additional information


Black, Gray, Orange, Fluorescent


2XL/3XL, L/XL, S/M

Package content

The package also contains these documents:

The Certification documents as AIRBAG for MOTORCYCLISTS EN 1621/4
The certificate of conformity
The use and maintenance manual
The strap to pass around the saddle to create the attachment point for the Fast Lock (alternatively see saddle strap —-link—-)
Reminder sticker
Identity card with the MAB registration number to be registered on the site. Registration is always free, allows access to the direct assistance service with the Company and the memo service for periodic review (every 4 years) is offered (always free of charge).

Size guide

The measurement refers to the circumference of the chest without a motorcycle jacket.

T1 = S/M for body size 44/50 (88-102cm circumference)

T2 = L/XL for body size 52/58 (102-118cm circumference)

T3= 2XL/3XL for body size 60/66 (118-132cm circumference)

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