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Home Bicycle Helmets MTB Oneal Thunderball 2.0 Solid Bicycle Helmet

-10%

Oneal Thunderball 2.0 Solid Bicycle Helmet

from Oneal

Please note: Helmets displayed with black or mirrored visors, will always be delivered with a clear visor!

£44.04

You save 10%

£39.60

Net price plus shipping; you may be liable for taxes & duties in the destination country

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How it works

Description
Size chart

Description

Oneal Thunderball 2.0 Solid Bicycle Helmet

The helmet offers complete protection around the head and a deeper rear cover.

Features:

All-Mountain/Enduro Helmet
Mesh fabric integrated into the top and front of the shell
Adjustable fit from 52cm to 57 cm via holder system at the back of the head
Lining removable and washable, maximum comfort

Specifications:

Safety standard:EN1078
Size index: XXS/M (52-57cm), M/XL (57-61cm)
Weight: 260g (±25g)
Closure: Fidlock® magnetic buckle

Contents:

1x Oneal Bicycle Helmet
1x Oneal Helmet Bag

Additional product information

Buckle

Push Button

How to take correct measurements »

Men

Men
Shirt size	Trousers size	German size	Chest circumference (cm)	Shirt length (cm)	Sleeve length (cm)	Waist circumference (cm)	Inside leg length (cm)
	28	42				71	76
	30	44				76	77.5
S	32	46/48	81,5-84	106.5	84	81.5	78.5
M	34	48/50	86,5-89	112	86.5	86.5	78.5
L	36	52	91,5-96,5	122	89.5	91.5	80
XL	38	54	101,5-106,5	129.5	92.5	96.5	81
XXL	40	56	112-117	139.5	94	101.5	81

* Change in sizes as of 2015

The new size M is the old size S
Size S was revised
L, XL and XXL remain unchanged

Women

Women
Shirt size	Trousers size	German size	Chest circumference (cm)	Shirt length (cm)	Sleeve length (cm)	Waist circumference (cm)	Inside leg length (cm)
XS	3/4	34				66	73.5
S	5/6	36	83.5	104	76	68.5	75
M	7/8	38	91.5	106.5	78.5	73.5	76
M	9/10	40	91.5	106.5	78.5	78.5	77.5
L	11/12	42	95	109	81.5	84	78.5

Kids

Kids
Shirt size	Trousers size	US size	Chest circumference (cm)	Shirt length (cm)	Sleeve length (cm)	Waist circumference (cm)	Inside leg length (cm)
S	22	3/4	61	76	62	56	51
M	24	5/6	68.5	84	66	61	51
L	26	8/10	78.5	91.5	72.5	66	54.5
XL	27	12/14	89	100.5	77	68.5	61

Helmets

Helmet sizes
Head circumference in cm	52-54	54-56	57-58	59-60	60-62	63-64
Head circumference in inches	20 1/2" - 21 1/8"	21 1/4" - 22 1/8"	22 3/8" - 23 1/8"	23 1/4" - 23 3/4"	23 7/8" - 24 3/4"	24 7/8" - 25 3/4"
Ordering size	XS	S	M	L	XL	XXL

Helmet sizes for kids
Head circumference in cm	47,5-49	49-51	51-55,5
Head circumference in inches	18 5/8" - 19 5/8"	19 1/4" - 20 "	20 1/8 " - 21"
Ordering size	S	M	L

Shoes & Boots

Shoe and boot sizes
UK sizes	4	6	7	8	9	10	11	12	13
German sizes	37	38	39/40	41/42	43	44	45	46	47

Shoe and boot sizes for kids
UK sizes	12	13	1	2	3	4	5	6
German sizes	30	31	32	33	34	36	37	38

Gloves

Gloves
Ordering sizes	XS	S	M	L	XL	XXL
US sizes	7	8	8.5	9	10	11

	A. Body height: Take off your shoes and stand barefoot with your back against a wall to measure your body height to the top of your head. B. Chest circumference: Measure horizontally around the widest part of your chest. C. Waist circumference: Measure horizontally around your waist. D. Inside leg length: Inside leg measured from the crotch to the ground.
	A. Body height: Take off your shoes and stand barefoot with your back against a wall to measure your body height to the top of your head. B. Chest circumference: Measure horizontally around the widest part of your chest. C. Waist circumference: Measure horizontally around your waist. D. Inside leg length: Inside leg measured from the crotch to the ground.
	A. Measure the circumference of your head to get the correct helmet size. Use a measuring tape around the widest point of your head (approx. 1 cm above the ears).
	A. Place both feet on a sheet of paper. Draw a vertical line to mark the tip and heel end of your foot. B. Measure the lengths of both feet. C. Compare the length of the bigger foot with the size table to find your perfect shoe size.
	A. Measure the circumference of your hand at the widest point around your palm to find the correct glove size. Copy the value into the table

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