Leatt Junior 1.0 Mountain Bike Gravity Helmet

Color: Black
Black
Size: XXS
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Description
Features
Specs
Size Chart
Description

The Gravity 1.0 helmet offers trusted full-face protection at an unbeatable price—ideal for new riders, weekend warriors, and growing groms. Built with a tough polymer shell and certified to ASTM F1952–10 for downhill riding, it delivers serious impact protection whether you're hitting trails, bike parks, or pump tracks.

Leatt’s 360° Turbine Technology helps reduce rotational forces and absorb low-speed impact energy, working together with impact foam as part of a 3-in-1 safety system. The air vents are not mesh-covered, maximizing airflow and making the Gravity 1.0 a great choice for warmer days on the hill. A breathable liner, neck brace compatibility, and secure DD-ring closure round out a value-packed helmet designed for confidence on every ride.

Features

3-In-1 Safety System
When combined with the impact foam, 360° Turbine Technology offers a unique 3-in-1 safety system by protecting against low-speed impacts, high-speed impacts, and rotational forces.

Rotation protection
The optimally designed turbine discs enable the helmet to move slightly on the head upon impact, helping to reduce peak acceleration to the head & brain. 

Low impact protection
The special energy absorbing material in the turbines absorbs low impact energy associated with concussion.

Visor
Visor with breakaway function for rotational impact force reduction

Specs
  • Downhill certified ASTM junior shell

  • EPS impact foam

  • 360° Turbine Technology

  • Optimal neck brace compatibility

  • Good ventilation 

  • Washable inner liner

  • DD closure system 

  • Plastic-free packaging

  • WEIGHT: From 960 ± 50g (2.12 lbs)

  • AS/NZS 2063:2008, ASTM F1952–10, EN1078, CPSC 1203

  • Jr XXS: 51–52 cm (20–20 ½ in)

  • Jr XS: 53–54 cm (20 ¾–21 ¼ in)

Size Chart
Knee Guard (Dual Axis/Endurol/Knee & Shin/Airflex/EXT/Hybrid EXT/Hybrid/6.0/5.0/3.0)
Sizing Kids JR S/M L/XL XXL
Upper

26 - 32 cm

10.2" - 12.5"

28 - 34 cm

11" - 13.4"

33 - 41 cm

13" - 16"

41 - 53 cm

16" - 21"

53 - 58 cm

21" - 23"

Lower

18 - 22 cm

7" - 8.6"

20 - 26 cm

7.8" - 10"

25 - 33 cm

9" - 13"

33 - 44 cm

13" - 17"

44 - 51 cm

17" - 20"

 

Knee Guard (Airflex Pro)
Sizing S M L XL XXL
Upper

33 - 37 cm

13" - 14.6"

37 - 41 cm

14.6" - 16"

 

41 - 47 cm

16" - 18.5"

 

 

47 - 53 cm

18.5" - 20.8"

 

53 - 59 cm

20.8" - 23.2"

 

Lower

25 - 29 cm

9.8" - 11.4"

29 - 33 cm

11.4" - 13"

 

33 - 38 cm

13" - 15"

 

38 - 44 cm

15" - 17"

 

44 - 51 cm

17" - 20"

 

 

Elbow Guards

SIZE

Mini

Jr

S/M

L/XL

XXL

 

7" - 8"

7.4" - 9"

8.5'' - 11"

11" - 13.7"

13.7"- 16"

 

Helmet (GPX Offroad)

JR M JR L XS S M L XL XXL

51 - 52 cm

20" - 20 1/2"

53 - 54 cm

20 3/4" - 21 3/4"

53 - 54 cm

20 3/4" - 21 1/4"

55 - 56 cm

21 5/8" - 22"

57 - 58 cm

23 1/4" - 23 5/8"

59-60 cm

23 1/4" - 23 5/8"

61-62 cm

24" - 24 1/4"

63 - 64 cm

24 3/4" - 25 1/5"

 

Helmet (DBX DH)
XS S M L XL XXL

 53 - 54 cm

20 3/4" - 21 1/4"

55 - 56 cm

21 5/8" - 22"

57 - 58 cm

22 1/2" - 22 3/4"

59 - 60 cm

23 1/4" - 23 5/8"

61 - 62 cm

24" - 24 1/2"

63 - 64 cm

24 3/4" - 25 1/5"

 

Helmet (DBX 3.0 All MTN/3.0 Enduro/2.0)
S M L

51 - 55 cm

20" - 21 5/8"

55 - 59 cm

21 5/8" - 23 1/4"

59 - 63 cm

23 1/4" - 24 3/4"

 

All Mountain Helmet
Size S M L
Centimeters 21 - 22 22½ - 22¾ 22¼ - 22

 

Neck Braces
 JR S/M L/XL XXL

74 - 82 cm

29.5" - 32.5"

82 - 94 cm

32.5" - 37"

94 - 110 cm

37" - 43"

110 - 122 cm

43" - 48"

 

Men's Jerseys (inches)

SIZE

XS

S

M

L

XL

2XL

3XL

ARM

30 - 30.5

30.5 - 31

31 - 31.5

31.5 - 32

32 - 33

33 - 34

34 - 35

CHEST

36 - 38

38 - 40

40 - 42

42 - 44

44 - 46

46 - 48

48 - 50

HEIGHT

5'4" - 5'6"

5'6" - 5'8"

5'8" - 5'10"

5'10" - 5'12"

5'11" - 6'1"

5'12" - 6'2"

6'0" - 6'2"

 

Men's Pants

SIZE

S

M

L

XL

XXL

 

28" - 30"

30" - 32

32" - 34"

34" - 36"

36" - 38"

 

Women's Jerseys

 

 

 

 

 

 

 

Size

XS

S

M

L

XL

XXL

Unit

INCH

INCH

INCH

INCH

INCH

INCH

Arm

24.5-24.75"

24.75-25.0"

25.5-25.5"

25.5-26.0"

26.0-26.5"

26.5-27"

Chest

33-34"

35-36"

36-37"

38-39"

40-41"

42-43"

Waist

24-25"

25-26"

27-28"

29-30"

31-32"

33-34"

 

Women's Pants

Size

XS

S

M

L

XL

XXL

Unit

INCH

EU

INCH

EU

INCH

EU

INCH

EU

INCH

EU

INCH

EU

Waist

24-25"

34

25-26"

36

27-28"

38

29-30"

40

31-32"

42

33-34"

44

 

Shoes

US

6

7

8

8.5

9

9.5

10

10.5

11

12

UK

5.5

6.5

7.5

8

8.5

9

9.5

10

10.5

11.5

EU

38.5

40

41.5

42

43

43.5

44

44.5

45.5

47

CM

24

25

26

26.5

27

27.5

28

28.5

29

30

 

Junior Tops

SIZE

XXS

XS

S

M

L

XL

UNIT

INCH

INCH

INCH

INCH

INCH

INCH

ARM

18

19

21

23

25

27

CHEST

26 - 27

27 - 29

29 - 30

30 - 32

32 - 34

34 - 36

HEIGHT

3'3" - 3'7"

3'7" - 3'11"

3'11'" - 4'3"

4'3" - 4'7"

4'7" - 4'11"

4'11" - 5'2"

 

Junior Bottoms

SIZE

XXS / EU36 / US18

XS / EU 38 / US20

S / EU40 / US 22

M/ EU42 / US24

L / EU 44 / US26

XL / EU 46 / US28

UNIT

INCH

INCH

INCH

INCH

INCH

INCH

WAIST

14 - 19

16 - 21

18 - 23

21 - 25

22 - 27

27 - 29

INSEAM

17 - 18

18 - 20

20 - 22

22- 24

24 - 26

26 - 28

HEIGHT

3'3" - 3'7"

3'7" - 3'11"

3'11" - 4'3"

4'3" - 4'7"

4'7" - 4'11"

4'11" - 5'2"

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