£78.34

O'NEAL SONUS Split V.23 Fullface MTB Helmet - Black/Neon Yellow

Black/neon Yellow, 0481-063

Price data last checked 27 day(s) ago - will refresh soon

View at Amazon

We'll watch every seller, every day. One email when your price arrives.

It has never been this cheap. We have no record of a lower price.

£78 today · cheaper than every other day in the last 3 months

NEW HERE?

Amazon shows you one price. We show you all of them.

Tosheroon watches Amazon prices so you don't have to. Every product on Amazon has a price history — we make it visible. Set the price you'd actually pay, and we'll email you the second it gets there. No app, no account, one email.

WHAT'S ON THIS PAGE

↓ Price chart
when this has been cheap or pricey
↓ Forecast
where the price is heading next
↓ Statistics
all-time high & low, recent range
↑ Price alert
name your number, we'll email you

Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 64 days • 64 data points (No recent data available)

Historical
Generating forecast...
£109.99 £75.18 £82.77 £90.37 £97.96 £105.56 £113.16 14 March 2026 29 March 2026 14 April 2026 30 April 2026 16 May 2026

Price Distribution

Price distribution over 64 days • 9 price levels

Days at Price
Current Price
11 days · current 13 days 7 days 2 days 5 days 3 days 13 days 8 days 2 days 0 3 7 10 13 £79 £91 £95 £101 £102 £104 £108 £109 £110 Days at Price

Price Analysis

Most common price: £91 (13 days, 20.3%)

Price range: £79 - £110

Price levels: 9 different prices over 64 days

Description

Gear up for your next ride with the O'NEAL SONUS Split V.23 Fullface Mountain Bike Helmet. Designed for riders who demand protection during downhill, freeride, and enduro sessions, this helmet provides a robust shield against the elements. The lightweight construction ensures you can stay focused on the trail without unnecessary weight holding you back. Built with a specialized 2-shell design, this helmet offers an optimal and individual fit tailored to your head shape. The ABS shell provides reliable durability, while the magnetic closure system allows for quick and easy use. Whether you are tackling technical mountain bike trails or hitting downhill tracks, the SONUS helmet delivers the high-quality workmanship and superior quality expected from the O'NEAL brand. This model exceeds the EN1078 safety standard, giving you peace of mind as you push your limits on the mountain.

Key Features

Lightweight all-mountain design utilizes a 2-shell construction to provide an optimal and individual fit for different riders.

Built with a robust ABS shell and high-quality workmanship to ensure long-lasting durability on every ride.

Features a convenient magnetic closure system for fast and easy adjustments while on the trail.

Meets and exceeds the EN1078 safety standard to provide reliable protection for downhill and freeride cycling.

Designed for versatility, making it a great choice for MTB, DH, and enduro mountain biking enthusiasts.

Product Specifications

Brand
O'NEAL
Colour
Black/neon Yellow
Size
M
Domain
Amazon UK
Release Date
01 July 2019
Listed Since
20 February 2023

Barcode

No barcode data available

Similar Products You Might Like

O'NEAL | Mountain Bike Helmet Full Face | MTB DH Downhill FR Freeride | ABS Shell, Magnetic Closure Exceeds Safety Standard EN1078 | SONUS Helmet Split V.23 | Adult | Black Neon Yellow | S
99% match

O'NEAL | Mountain Bike Helmet Full Face | MTB DH Downhill FR Freeride | ABS Shell, Magnetic Closure Exceeds Safety Standard EN1078 | SONUS Helmet Split V.23 | Adult | Black Neon Yellow | S

O'NEAL

£100.68 16 Feb 2026
O'NEAL Mountain Bike Fullface Helmet MTB DH Downhill FR Freeride ABS Shell Magnetic Closure Exceeds Safety Standard EN1078 SONUS Helmet Split V.23 Adult Black Grey Size XL
99% match

O'NEAL Mountain Bike Fullface Helmet MTB DH Downhill FR Freeride ABS Shell Magnetic Closure Exceeds Safety Standard EN1078 SONUS Helmet Split V.23 Adult Black Grey Size XL

O'NEAL

£101.49 20 Feb 2026
O'NEAL Mountain Bike Fullface Helmet MTB DH Downhill FR Freeride ABS Shell Magnetic Closure Exceeds Safety Standard EN1078 SONUS Helmet Split V.23 Adult Black Grey Size S
99% match

O'NEAL Mountain Bike Fullface Helmet MTB DH Downhill FR Freeride ABS Shell Magnetic Closure Exceeds Safety Standard EN1078 SONUS Helmet Split V.23 Adult Black Grey Size S

O'NEAL

£80.60 11 May 2026
O'NEAL Fullface Mountain Bike Helmet | MTB DH Downhill FR Freeride | Magnetic Closure, Exceeds EN1078 Safety Standard | SONUS Split V.23 Helmet | Adult | Black Yellow Neon | XL
99% match

O'NEAL Fullface Mountain Bike Helmet | MTB DH Downhill FR Freeride | Magnetic Closure, Exceeds EN1078 Safety Standard | SONUS Split V.23 Helmet | Adult | Black Yellow Neon | XL

O'NEAL

£108.49 15 Feb 2026
O'NEAL | Mountain Bike Helmet Fullface | MTB DH Downhill FR Freeride | ABS Shell, Magnetic Closure Exceeds Safety Standard EN1078 | SONUS Helmet Split V.23 | Adult | Black Neon Yellow | L
98% match

O'NEAL | Mountain Bike Helmet Fullface | MTB DH Downhill FR Freeride | ABS Shell, Magnetic Closure Exceeds Safety Standard EN1078 | SONUS Helmet Split V.23 | Adult | Black Neon Yellow | L

O'NEAL

£98.16 18 Mar 2026
O'NEAL | Mountain Bike Helmet | MTB Downhill | According to safety standard EN1078, ventilation openings for air flow & cooling, ABS outer shell | SONUS Helmet SOLID | Adult | Black | Size M
98% match

O'NEAL | Mountain Bike Helmet | MTB Downhill | According to safety standard EN1078, ventilation openings for air flow & cooling, ABS outer shell | SONUS Helmet SOLID | Adult | Black | Size M

O'NEAL

Out of Stock 18 Feb 2026
O'NEAL | Mountain Bike Helmet Fullface | MTB DH Downhill FR Freeride | ABS Shell, Magnetic Closure Exceeds Safety Standard EN1078 | SONUS Helmet Split V.23 | Adult | Black Grey | Size L
98% match

O'NEAL | Mountain Bike Helmet Fullface | MTB DH Downhill FR Freeride | ABS Shell, Magnetic Closure Exceeds Safety Standard EN1078 | SONUS Helmet Split V.23 | Adult | Black Grey | Size L

O'NEAL

£109.99 10 May 2026
O'NEAL | Mountain Bike Helmet | MTB Downhill | According to safety standard EN1078, ventilation openings for air flow & cooling, ABS outer shell | SONUS Helmet SOLID | Adult | Black | Size XL
98% match

O'NEAL | Mountain Bike Helmet | MTB Downhill | According to safety standard EN1078, ventilation openings for air flow & cooling, ABS outer shell | SONUS Helmet SOLID | Adult | Black | Size XL

O'NEAL

£73.00 02 May 2026
O'NEAL | Mountain Bike Helmet | Kids | MTB Downhill | ABS shell, vents for optimal ventilation & cooling, safety standard EN1078 | Sonus Youth Helmet Crank | Multi | Size M
97% match

O'NEAL | Mountain Bike Helmet | Kids | MTB Downhill | ABS shell, vents for optimal ventilation & cooling, safety standard EN1078 | Sonus Youth Helmet Crank | Multi | Size M

O'NEAL

£85.99 10 May 2026
O'NEAL | Mountainbike-Helmet | Enduro Trail Downhill MTB | Polycarbonate construction, sweat absorbing lining, safety standard EN1078 | Helmet Defender 2.0 Wild | Adult | Black | Size L XL
97% match

O'NEAL | Mountainbike-Helmet | Enduro Trail Downhill MTB | Polycarbonate construction, sweat absorbing lining, safety standard EN1078 | Helmet Defender 2.0 Wild | Adult | Black | Size L XL

O'NEAL

£47.99 12 Feb 2026
O'NEAL | Mountain Bike Helmet | Kids | MTB Downhill | ABS shell, vents for optimal ventilation & cooling, safety standard EN1078 | Sonus Youth Helmet Solid | Black | Size M
97% match

O'NEAL | Mountain Bike Helmet | Kids | MTB Downhill | ABS shell, vents for optimal ventilation & cooling, safety standard EN1078 | Sonus Youth Helmet Solid | Black | Size M

O'NEAL

£79.99 06 May 2026
O'NEAL | Mountain Bike Helmet | Kids | MTB Downhill | ABS shell, vents for optimal ventilation & cooling, safety standard EN1078 | Sonus Youth Helmet Crank | Multi | size L
96% match

O'NEAL | Mountain Bike Helmet | Kids | MTB Downhill | ABS shell, vents for optimal ventilation & cooling, safety standard EN1078 | Sonus Youth Helmet Crank | Multi | size L

O'NEAL

£81.49 05 May 2026
O'NEAL | Mountainbike-Helm | Enduro All-Mountain | Lüftungsöffnungen zur Belüftung & Kühlung Größenverstellsystem, Sicherheitsnorm EN1078 | Helmet Trailfinder Solid | Erwachsene | Schwarz | Größe L/XL
96% match

O'NEAL | Mountainbike-Helm | Enduro All-Mountain | Lüftungsöffnungen zur Belüftung & Kühlung Größenverstellsystem, Sicherheitsnorm EN1078 | Helmet Trailfinder Solid | Erwachsene | Schwarz | Größe L/XL

O'NEAL

£51.99 10 May 2026
O'NEAL | Mountain Bike Helmet | Kids | MTB Downhill | ABS shell, vents for optimal ventilation & cooling, safety standard EN1078 | Sonus Youth Helmet Rex | Multi | Size M
96% match

O'NEAL | Mountain Bike Helmet | Kids | MTB Downhill | ABS shell, vents for optimal ventilation & cooling, safety standard EN1078 | Sonus Youth Helmet Rex | Multi | Size M

O'NEAL

£87.49 11 May 2026
O'NEAL Mountain Bike Helmet Bicycle Lightweight Enduro/Trail/Freeride Helmet with 2 Shell Polycarbonate Construction Pike Helmet Solid Adult Grey/Burgundy L/XL (58-61 cm)
96% match

O'NEAL Mountain Bike Helmet Bicycle Lightweight Enduro/Trail/Freeride Helmet with 2 Shell Polycarbonate Construction Pike Helmet Solid Adult Grey/Burgundy L/XL (58-61 cm)

O'NEAL

£79.61 22 Feb 2026
O'NEAL | Mountainbike-Helm | Enduro All-Mountain | Lüftungsöffnungen zur Belüftung & Kühlung Größenverstellsystem, Sicherheitsnorm EN1078 | Helmet Trailfinder Solid | Erwachsene | Schwarz | Größe S/M
96% match

O'NEAL | Mountainbike-Helm | Enduro All-Mountain | Lüftungsöffnungen zur Belüftung & Kühlung Größenverstellsystem, Sicherheitsnorm EN1078 | Helmet Trailfinder Solid | Erwachsene | Schwarz | Größe S/M

O'NEAL

£51.99 18 Feb 2026
O'NEAL Mountain Bike Helmet MTB Downhill Dri-Lex® Inner Lining Ventilation Openings for Cooling Fibreglass Outer Shell Blade Hyperlite Helmet Charger V.22 Adult Red Orange Size XS
96% match

O'NEAL Mountain Bike Helmet MTB Downhill Dri-Lex® Inner Lining Ventilation Openings for Cooling Fibreglass Outer Shell Blade Hyperlite Helmet Charger V.22 Adult Red Orange Size XS

O'NEAL

Out of Stock 18 Feb 2026
O'NEAL | Mountain Bike Helmet | Enduro All-Mountain | Ventilation & Cooling Size adjustment system, safety standard EN1078 | Helmet Trailfinder Rio V.22 | Adult | Multi | L/XL
96% match

O'NEAL | Mountain Bike Helmet | Enduro All-Mountain | Ventilation & Cooling Size adjustment system, safety standard EN1078 | Helmet Trailfinder Rio V.22 | Adult | Multi | L/XL

O'NEAL

£58.02 17 Feb 2026
O'NEAL | Mountain Bike Helmet | MTB Downhill | Dri-Lex® Lining, Ventilation Openings for Airflow, ABS Outer Shell | BLADE POLYACRYLITE HELMET HAZE V.23 | Adult | Black Red | Size S
96% match

O'NEAL | Mountain Bike Helmet | MTB Downhill | Dri-Lex® Lining, Ventilation Openings for Airflow, ABS Outer Shell | BLADE POLYACRYLITE HELMET HAZE V.23 | Adult | Black Red | Size S

O'NEAL

£140.78 13 Apr 2026
O'NEAL Bike Helmet I Dynamic Mountain Bike Helmet with optimal Ventilation Holes I Safety Standard EN1078 I Trailfinder Helmet Split V.20 I MTB Helmet | Grey | Size L/XL
95% match

O'NEAL Bike Helmet I Dynamic Mountain Bike Helmet with optimal Ventilation Holes I Safety Standard EN1078 I Trailfinder Helmet Split V.20 I MTB Helmet | Grey | Size L/XL

O'NEAL

£59.99 17 Feb 2026
O'NEAL Bike Helmet I Dynamic Mountain Bike Helmet with optimal Ventilation Holes I Safety Standard EN1078 I Trailfinder Helmet Split V.20 I MTB Helmet | Ice blue/Black | Size L/XL, 0013-054
95% match

O'NEAL Bike Helmet I Dynamic Mountain Bike Helmet with optimal Ventilation Holes I Safety Standard EN1078 I Trailfinder Helmet Split V.20 I MTB Helmet | Ice blue/Black | Size L/XL, 0013-054

O'NEAL

£75.87 05 May 2026
Just 1 Helmets Just1 Jdh Elements Grey + MIPS XXL Downhill/MTB/Enduro Helmet Unisex - Adult, Grey
95% match

Just 1 Helmets Just1 Jdh Elements Grey + MIPS XXL Downhill/MTB/Enduro Helmet Unisex - Adult, Grey

Just 1 Helmets

£330.46 14 Apr 2026
O'NEAL Transiton Helmet I Mountain Bike Helmet | Enduro MTB Downhill | Lightweight and sporty bike helmet women & men with good ventilation I MTB helmet according to DIN EN1078 I Olive Black I Size M
95% match

O'NEAL Transiton Helmet I Mountain Bike Helmet | Enduro MTB Downhill | Lightweight and sporty bike helmet women & men with good ventilation I MTB helmet according to DIN EN1078 I Olive Black I Size M

O'NEAL

£804.00 11 Apr 2026
BELL Unisex's 9 MTB Full Face Helmet, Fasthouse Matte Black, X-Large/2X-Large
95% match

BELL Unisex's 9 MTB Full Face Helmet, Fasthouse Matte Black, X-Large/2X-Large

BELL

£371.71 02 Feb 2026