Leatt-Brace STX RR Manual de usuario

Note: The products depicted in this user manual may vary to some degree in product graphics or color.

User ManUal

INDEPENDENTLY TESTED AND CERTIFIED

AS PERSONAL PROTECTIVE EQUIPMENT

rOaD raCInG neCK BraCe

A Leatt-Brace®is not a substitute for skill or experience. Do not attempt potentially hazardous maneuvers while wearing

a Leatt-Brace®that you would not attempt without a brace.

The Leatt-Brace® must be correctly tted to the wearer’s body. Follow the sizing and tment directions in this manual

to insure that your brace ts properly.

Failure to achieve a correct t of the Leatt-Brace®will reduce the effectiveness of the brace and may subject the

wearer to unexpected risks.

A cracked, bent, or deformed Leatt-Brace®, or any Leatt-Brace®worn by a user during an injury-producing accident or fall,

should not be used again by anyone. Damage affecting the structural integrity and performance of the brace may not be

visible to the naked eye.

All motorsports are hazardous.

Participants can suffer severe brain, head, or neck injuries causing permanent paralysis or

even death.

A properly tted Leatt-Brace®, worn in conjunction with a full-face helmet, can help reduce the

incidence or severity of neck injuries, but no known safety device can eliminate the physical

risks inherent in any motorsport activity.

Read and follow all safety instructions

WarnInG

Leatt-Brace®STX

The STX RR is a neck brace specically designed for motorcycle road racing.

It is not designed for street use where Leatt®’s STX neck brace is a more

appropriate choice.

Table of contents

•User Manual Introduction ........................................................ Page 03

•Test Data ................................................................................. Page 04

•Leatt-Brace®sizing chart ......................................................... Page 05

•Correct Fitment ........................................................................ Page 05

•Adjustment

•The Scapula wings ............................................................ Page 07

•Shoulder height adjustment .............................................. Page 09

• Back height adjustment ..................................................... Page 10

•STX Body straps ...................................................................... Page 11

•Emergency Open ..................................................................... Page 12

•Proper care and maintenence .................................................. Page 13

•In the event of a crash .............................................................. Page 14

•STX RR Exploded view and parts list ....................................... Page15

User manual introduction

Welcome to the world of Leatt®and thank you for choosing our product. The Leatt-Brace®you have

purchased is based on years of academic research and extensive evaluation of the mechanisms of

head and neck injuries. Together with testing in test facilities and via simulation software, the brace

has been evaluated using various static and dynamic tests. The Leatt-Brace®is part of the protective

equipment ensemble available for use by participants in cycling and motor sports activities

The design rationale behind the Leatt-Brace®is to help bring the head to a controlled stop during

an accident/fall. This is achieved by providing a padded rigid structure that helps act as an

alternative load path for neck forces. Helmet impacts otherwise transmitted from the helmet to skull

and then to the neck are re-directed from the helmet to the brace and then to other body structures.

The design of the Leatt-Brace®helps prevent the helmet/head from projecting over the brace and

therefore helps prevent a fulcrum action which has been documented in literature pertaining to the

use of foam collar devices. The Leatt-Brace®may be worn with most types of motor sport body armor

and chest protectors.

The Leatt®STX RR neck brace system helps prevent the following extreme movements:

Hyperexion: Over-bending of the head in forward direction. Hyperextension: Over-bending

of the head in rearward direction. Lateral Hyperexion: Over-bending of the head to one side.

Posterior Hypertranslation: Extreme movement of head and helmet, rearward on the neck.

Coupled Axial Loading: Axial forces acting in combination with other mechanisms.

Leatt® STX RR has been tested against the manufacturer’s specications and EC Type-Examination

certication has been issued by RICOTEST Via Tione, 9 - 37010 Pastrengo (VR) Italy, Notied Body

No. 0498. It is CE marked to denote compliance with the EU Personal Protective Equipment Directive

89/686/EEC.

In addition to certication against the PPE directive, the Leatt-Brace®has also passed a battery of

additional tests compiled by the Notifying Body RICOTEST that includes elements from EN 1621-

2:2003 (the European Standard for Motorcyclists Back Protectors), ISO 20344:2004 to evaluate

Impact resistance in the rear and a RICOTEST internal test protocol me-int-074-00 to evaluate

ergonomics, tensile strength and the content and comprehensiveness of the manufacturers

information.

All the materials that make up the Leatt-Brace®have passed chemical innocuousness testing as

required by the European Standard EN 340:2003 for general requirements of protective clothing.

Please e-mail any comments you might have to [email protected].

The Leatt®STX RR (Figure 1) has been designed to be set up in stages to suit your

requirements. Please follow the tment process carefully. It should take you about 20 minutes to

complete.

Hyperextension Hyperexion Lateral

Hyperexion Posterior

Hypertranslation Coupled Axial

Back Assembly

Front Assembly

Scapula wings

Please note: The product shown may vary in colour. Brace components are depicted in

contrasting colours to indicate individual identication.

Figure 1

Test Data

Technical inputs to the development of this product include:

• Eurotype Hybrid III instrumented sled tests (Land Mobility Technologies document

No.P/2/00/00431, May 2004)

• BMW Pendulum Testing and Validation Model using Lifemod™ – BMW Test Facilities, Munich,

Germany (2006)

• Innovations at BMW Motorrad in the development of equipment for motorcycle riders to reduce

the risk of injuries based on the example of the Neck Brace System (proceedings of the 6th

International Safety - Environment - Future Conference; Cologne, Germany,

9 – 10 October 2006)

• Side Impact Simulations Using a Validated Pendulum Test Methodology (Leatt®Corporation

Biomechanics Division)

• Leatt®Lab Quasi-Static Testing

• Leatt®Lab Destructive Impact Testing

• Leatt®Lab Pendulum Testing

• Detailed Spine Simulation Modeling (LifeMod / ADAMS)

• EN 340:2003 – “Protective clothing – General Requirements”

The rst four test protocols listed assess the ability of the Leatt-Brace®to help reduce forwards

and backwards movement of the wearer’s head and neck in a collision, or when impacting the

road surface. Leatt®Lab Quasi-Static Testing includes evaluations of the resistance of the Leatt-

Brace®fastenings to opening in the event of an impact. The chemical content of the materials and

components used in the construction of the Leatt-Brace®has been assessed in accordance with

the requirements of EN 340:2003.

Leatt-Brace®sizing chart

The sizing chart below is a guide to determine if the STX RR will t your body type. If you are out of

the range of the sizing chart or are unsure of your exact t, please contact us, wearing the

STX RR with certain protectors could result in a safe t. The sizing chart is based on your height

and chest circumference right below the arms, therefore make sure that you take the correct

measurements before utilizing the chart.

Correct ﬁtment

The folowing is to ensure that

your brace is setup correctly,

please go through entire

section. Fit the brace by pulling

it over your head with the

scapula wings attached (p7).

(Figure 2a) Please ensure that

the brace is facing the correct

way. (Figure 2b)

The size of the brace should be correct for your body shape and allows for adjustability to ensure

correct tment and comfort. (Figure 3a) When correctly adjusted and worn with your helmet, the

Leatt-Brace® should allow for a full safe range of a rider’s head and neck movements (i.e. looking up,

looking down and looking side-to-side, such as when performing an over-the-shoulder check); the

Leatt-Brace®and the helmet must come into contact with each other as the full safe range of

normal riding head movement is reached. (Figure 3b)

* Height * Chest circumference

right below the arms

33.9 - 35 35.4 - 37 37.4 - 43.3 43.7 - 45.3

86 - 89 90 - 94 95 - 110 111 - 115

5’1” - 5’4” 156 - 163 STX RR STX RR

5’4” - 5’5” 164 - 166 STX RR STX RR STX RR

5’6” - 5’7” 167 - 169 STX RR STX RR STX RR STX RR

5’7” - 5’8” 170 - 172 STX RR STX RR STX RR STX RR

5’8” - 5’9” 173 - 175 STX RR STX RR STX RR STX RR

5’9” - 5’10” 176 - 178 STX RR STX RR STX RR STX RR

5’10” - 5’11” 179 - 181 STX RR STX RR STX RR STX RR

5’11” - 6’ 181 - 183 STX RR STX RR STX RR STX RR

6’ - 6’1” 183 - 185 STX RR STX RR STX RR

6’1” - 6’3” 185 - 190 STX RR STX RR

6’3” - 6’4” 191 - 195 STX RR

inches

Chest circumference

Height

ft cm

Figure 2a Figure 2b

If any resistance or discomfort is experienced when attempting to complete the full safe range of head

and neck movements, or if the brace does not make contact with the helmet when the full range of

movement is reached, further adjustment, or an alternative size of Leatt-Brace®may be required.

In extreme circumstances, it may be necessary to purchase an alternative model of helmet in order

to achieve the required level of compatibility and safety.

If the brace interferes with any of the above mentioned, please move on to the adjustment section

(p7) . Please ask the retailer or contact Leatt®if you require further advice on sizing, adjustment

or tting.

Check that you have the right helmet

rim clearance. Please use assistance

to do this measurement, do not do it

yourself. Place a ruler in the middle

of the upper rim of the brace at 90

to the ground, with your head in a

neutral (level) position. Remember

to do front and back. The helmet

rim should be within the safe zone,

the front and back safe zones are

between 50mm to 130 mm.(Figure 5)

Ensure

comfortable

t to chest

Figure 3a

Figure 4

Figure 5

Ensure

comfortable

t to shoulders

Please ensure that the brace wings are correctly aligned over your shoulder as shown below:

If the wing does not align correctly please move on to step1 in the adjustment section (p7)

Back

Front

130mm

130mm 50mm

50mm

Figure 3b

Scapula wings

To congure the scapula wings you must

open the strut clip. When the strut clip is

opened you can slide the upper scapula

wings in you favourable position. (Figure 7a)

Close the strutclip when the scapula wing is

in the preferred position. (Figure 7b)

To rotate the scapula wings to t your

racing gear, adjust the rotation screw with

the provided 4mm allen key (Figure 8a).

Rotate the scapula wings using the position

indicators to make sure they match up.

(Figure 8b)

By rotating the scapula wings you can use

the brace with a racing hump or without

(Figure 9A & 9b)

Figure 6a

Figure 7a Figure 7b

Open strutclip

Scapula wing

Move upper

scapula wing in

this direction

Leatt-Brace®Adjustment

Your STX RR brace is supplied with the shoulder height adjuster tted. The following steps will help

you adjust your Leatt-Brace® for the best t. After adusting, return to Correct tment p5 to ensure

your adjustments are accurate. Please refer to the Exploded view & parts list on p15.

Rotation screw

Position indicators

Rotate outwards for racing hump Rotate inwards for normal wear

Provided 4mm

Allen key

Figure 8a

Figure 8b

Figure 9a

Figure 9b

Shoulder height adjustment

The shoulder height on the STX RR brace can easily be adjusted by removing the STX Height

Adjusters (see Figure 10a) by holding the side and lifting it away from the brace. (Figure 10b) .

Figure 10b

Figure 10a

STX Height

Adjuster

Pull away from

the brace

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