Gain The Sleeper Helmet - Black
Gain The Sleeper Helmet - Grey
Gain The Sleeper Helmet - White
Gain The Sleeper Helmet - Pink
Gain The Sleeper Fixed Back Helmet
The Sleeper Helmet
Gain Bike Helmet
Gain Adjustable Helmet
Gain The Sleeper Adjustable Back Helmet
Gain Adjustable Helmet - Black
Gain Adjustable Helmet - Grey
Gain Adjustable Helmet - Pink
Gain Adjustable Helmet - White

Gain The Sleeper Helmet

Regular price$59.00
Includes GST. Shipping Free Over $100!
  • Free AU Delivery Over $100!*
  • Pay Later with Afterpay & Humm
  • Up to 24months Zip Interest Free
  • Premium Aus Wide Warranty & Support

  • Very Low Stock - Only 2 Left!
  • More stock on the way

We Ship AUS Wide FREE* Over $100 or $8 Flat Rate for Orders Under $100.

*Note: Surron Motorcycles & Sumo Scooters will incur and Oversized Fee of $199.

- Addition Services such as Express and Shipping Insurance is available at the checkout.

- For International Shipping Contact Us for a Quote or Refer to Checkout for Prices.

Here at Ampd Brothers Electric Quality and Assurance means a thousand words. Thats why we stand behind all our products with our extensive Nation Wide Warranty! 

Warranty Periods:
- 1 Year on Electric Bikes, Scooters & Skateboards
- 6 Month's
 on Products Sold as "Ex-Demo" or "Refurbished" items
- 3 Month's on any Parts & Accessories*

For More info on Warranty Click Here

We are proud to introduce The Sleeper by GAIN - the high end sport helmet of the GAIN Protection range. The Sleeper helmets feature classic design, very comfortable foam liners, highly adjustable buckle and 11 air vents for optimal air flow.

CE / CPSC / AS/NZ Certified.

All GAIN Protection helmets come with an extra set of foam liners for perfect fit.


  • CE / CPSC / AS/NZ Certified
  • Available in 4 Unique Colours
  • XS/S/M - 48-56cm (Size Adjustable Disc)
  • L/XL55-59cm (Fixed Size)
  • L/XL/XXL - 57-63cm (Size Adjustable Disc)

Word on the street


Amazing Quality Bikes & Products. Best aftersales service I've ever experienced. Highly Recommend.

Anthony O'Neil
Melbourne, AU

Ordered online, Fast Dispatch & Delivery. Super fun bikes! Thanks heaps Ampd!

Thomas Lohmann
Gold Coast, AU

Bought the ACE-X Plus for my partner and he LOVES IT. Hands down best gift ever. So much fun.

Shirley Carter
Perth, AU

Great guys, Awesome service, easy process, great products, just go do it!

Bernard Witthahn
Cairns, AU

Customer Reviews

Based on 4 reviews
Is nice!



These guys are amazing to deal with so obliging and would have no hesitation in sending any one to them. well done guys and thank you.

Gain Helmet

Great helmet thanks guys

Helmet Purchase

Arrived within days of ordering! The helmet was as described. Very happy with product.Thanks Ampd

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