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A 20” full suspension trail bike that’s happy on dirt jumps, single track and the junior circuit. Built for 6-8 year olds with a spec coveted by much, much bigger kids. The Hellion X20 doesn’t need to go this hard.
A 20” full suspension trail bike that’s happy on dirt jumps, single track and the junior circuit. Built for 6-8 year olds with a spec coveted by much, much bigger kids. The Hellion X20 doesn’t need to go this hard.
Early Rider

Early Rider Helion X20 - Brushed Aluminium

£1,699.00
Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
No Hassle Returns


Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange.



To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

Several types of goods are exempt from being returned. Perishable goods such as food, flowers, newspapers or magazines cannot be returned. We also do not accept products that are intimate or sanitary goods, hazardous materials, or flammable liquids or gases.

Additional non-returnable items:

  • Gift cards
  • Custom painted items
  • Items that have had custom decals fitted or frame protection
  • Custom built items such as wheels or bikes
  • Special order items
  • Some health and personal care items

To complete your return, we require a receipt or proof of purchase.

Please do not send your purchase back to the manufacturer.

There are certain situations where only partial refunds are granted: (if applicable)

  • Book with obvious signs of use.
  • CD, DVD, VHS tape, software, video game, cassette tape, or vinyl record that has been opened.
  • Any item not in its original condition, is damaged or missing parts for reasons not due to our error.
  • Any item that is returned more than 30 days after delivery


Refunds (if applicable)

Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.

If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.

Late or missing refunds (if applicable)

If you haven’t received a refund yet, first check your bank account again. Then contact your credit card company, it may take some time before your refund is officially posted. Next contact your bank. There is often some processing time before a refund is posted.

If you’ve done all of this and you still have not received your refund yet, please contact us at info@mechmonkey.co.uk.

Sale items (if applicable)

Only regular priced items may be refunded, unfortunately sale items cannot be refunded.

Exchanges (if applicable)

We only replace items if they are defective or damaged. If you need to exchange it for the same item, send us an email at info@mechmonkey.co.uk and send your item to: 2A Balmoral Link, Belfast, BT12 6QB, United Kingdom.

Gifts

If the item was marked as a gift when purchased and shipped directly to you, you’ll receive a gift credit for the value of your return. Once the returned item is received, a gift certificate will be mailed to you.

If the item wasn’t marked as a gift when purchased, or the gift giver had the order shipped to themselves to give to you later, we will send a refund to the gift giver and he will find out about your return.

Shipping

To return your product, you should mail your product to: 2A Balmoral Link, Belfast, BT12 6QB, United Kingdom.

You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.

Depending on where you live, the time it may take for your exchanged product to reach you, may vary.

Early Rider Helion X20 - Brushed Aluminium

Brand:Early Rider

Code:HX20

A 20” full suspension trail bike that’s happy on dirt jumps, single track and the junior circuit. Built for 6-8 year olds with a spec coveted by much, much bigger kids. The Hellion X20 doesn’t need to go this hard.

The Hellion X20 is a full-suspension MTB with a triple-butted mono-link aluminium frame and CNC'd chainstay yoke optimised for strength without unnecessary weight. The 95mm DNM rear shock pairs nicely with 100mm up front thanks to the fully adjustable RST Spex forks to smooth out the worst of the trail. Its long, low, and slack geometry ensures confidence, speed, and agility, while a narrow-wide chainring, forged cranks, and SRAM GX 1x10 drivetrain boost pedalling efficiency and chain safety. Shimano Deore MT500 brakes and tubeless-ready wheels with 2.25" Crown Rubber Vee Gem tyres deliver reliable stopping and rugged performance.

A race optimised full suspension aluminium frame

Built for performance, the Hellion X20 features a triple-butted dual suspension mono link frameset with a CNC'd chainstay yoke precision engineered to take big hits like a pro.

The 95mm DNM rear shock pairs brilliantly with the 100mm up front to deliver exceptional trail feedback, smoothing out roots, rocks and drops. The frame tubing has been deliberately crafted to balance strength (at the pressure points) with lightness, ensuring we don’t waste valuable grams and they don’t lose valuable seconds.

Threaded thru axles ramp up frame stiffness while sliding dropouts give them handling and size adjustments as they progress. To top it off, we added a cable guide for an external dropper because progression is everything.

Long, low and slack

That’s the assignment and we understood it.

The Hellion X20 is built for performance with a geometry optimised for speed, technical acumen and confidence on the gnarly bits.

The low centre of gravity keeps them balanced in the berms while the slack head tube angle takes (some of the drama) out of descending. The short seat stays give the bike a playful responsive feel (while also making manuals just a little easier to master).

A no fuss, full gas chainset

The crankset and single ring set-up give the Hellion X20 a powerful mix of performance, safety and pedalling efficiency that you just won’t see on other bikes this size.

The narrow wide chain ring stops the chain from flapping while working in harmony with the forged aluminium direct mount cranks for maximum power transfer when it matters.

Anatomically designed cockpit

The Ritchey Jr cockpit is anatomically designed for progression and control. When everything fits right, steering becomes more precise, more controlled. The lock on grips prevent hand slip in the inevitable wet muddy conditions.

The X20 also comes spec’d SDG fly junior saddle and SDG Slater pedals which not only offer stability and performance on tougher trails, but also look seriously cool.

Big kid forks, little kid bike

The Hellion X20 comes equipped with 100mm of smash proof front suspension courtesy of RST Spex. Featuring the same levels of adjustability typically found on much bigger kids’ bikes, the Hellion X20 can withstand pretty much anything little rippers decide to throw at it.

Fine tune the float with adjustable air suspension, compression and rebound to dial in their ride according to the demands of their skill set, terrain or current weight.

MTB wheels that go hard

Fully sealed bearing hubs, tubeless compatible, double wall rims and optimised spoke count means these wheels rip.

Because there’s no point speccing a great bike with weak wheels.

Sealed bearings keep mud, water and corrosion at bay while double wall rims give you twice the confidence on rocks and roots.

The optimised spoke count means you won’t have to worry about buckled wheels while thru axles makes the rare times you do need to swap tyres a breeze.


Technical Information
STANDOVER HEIGHT53CM
FRAMEBUTTED ALLOY FRAME, 95MM TRAVEL
REAR SHOCKDNM AO-38RC, 152X25.4MM REBOUND ADJUST, PEDAL PLATFORM
FORKRST SPEX 100MM TRAVEL, 15MM BOLT THRU AXLE
STEERERTUBE AL6061
CRANKSSAMOX 127MM DIRECT MOUNT
PEDALSSDG SLATER 90 PEDALS, BLACK
BOTTOM BRACKETSAMOX EXTERNAL CUP, THREADED, SEALED CARTRIDGE BEARING
RIMS20 X 28H DOUBLE WALLED AL6061, PINNED, TUBELESS COMPATIBLE
REAR HUBCNC'D STRAIGHT PULL AL6061, 12x142 THRU AXLE
FRONT HUBCNC'D STRAIGHT PULL AL6061, 15x100MM THRU AXLE
AXLESTHRU AXLES AL7075, 15MM FRONT, 12X142MM REAR (1.0P)
CHAINKMC X10
CHAINRINGSAMOX OFFSET NARROW WIDE, STEEL, 30T
WEIGHT10.15KGS W/O PEDALS
SHIFTERSRAM GX TRIGGER RH 10SPD
REAR CASSETTESRAM PG1020 11-36T, 10SPD
BRAKESSHIMANO DEORE BR-MT500, 160MM RT66 ROTORS
LEVERSSHIMANO DEORE BL-MT501
FRONT TYREVEE CROWN GEM SKINWALL 20x2.25", 72TPI FOLDING, TR
REAR TYREVEE CROWN GEM SKINWALL 20x2.25", 72TPI FOLDING, TR
HEADSETER CONVENTIONAL HEADSET, 1 1/8" CARTRIDGE BEARING
STEMRITCHEY OS FORGED AL6061, 35MM REACH
BARS560MM RITCHEY OS DOUBLE BUTTED AL6061, 18MM RISE
GRIPSER LOCK ON KRATON 92MM
SEAT POSTRITCHEY, 30.9MM x 225MM, AL2014
SADDLESDG FLY JR, BLACK
SEAT CLAMPRITCHEY QR, 34.9MM
DERAILLEURSRAM GX 10SPD SHORT CAGE
SPEC NOTICEEvery effort has been made to ensure accuracy throughout this website. However, Early Rider reserves the right to change prices and bike specifications without prior notice
Sizing Information
Geometry
AWheelbase930mm
BHead Angle66°
CSeat Tube Length265mm
DChainstay Length355mm
ESeat Tube Angle68°
FStandover Height520mm
GTop Tube Length514mm
HHead Tube Length90mm
IStack442mm
JReach317mm
KFork Length423mm


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