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  • Mini BMX Instructions

    How to assemble a Mini BMX Bike

    If you have any questions, contact us at Your bike comes 90% assembled and boxed at the factory for shipment.

    1) Screw in the pedals. There is a right and left pedal marked R and L on the threaded end. (Right and Left when looking from the rear of the bike). The left pedal has an anti clockwise thread and the right pedal a clockwise thread. Be careful not to cross thread and strip out the crank arm.

    2) Clamp and center the handlebar into the stem clamp. Tighten all bolts evenly. Check and tighten the allen head screw at the top of the headset.

    3) Insert seat-post into seat tube and tighten seat clamp at the desired height.

    4) Be sure that any nuts or bolts that may have come loose during shipping are firm. It is also good policy to make sure your bike is properly adjusted prior to every ride.

    5) Recommended tyre pressure for general riding is between 30 and 40 psi depending on the weight of the rider.

    Some tyres will have written on them a maximum of 65 psi, and whilst the tyres are strong enough to handle this pressure, we recommend that you only inflate them to 40psi.

    6) Now get out there and shred!

    Recommended tyre pressure for general riding is between 30 and 40 psi depending on the weight of the rider.

    Some tyres will have a maximum of 65 psi, whilst the tires are strong enough to handle this pressure, most riders will only need them inflated to 40psi.

    Wildcat Mini BMX is the only bmx mini with disc brakes.

    Disc Brakes work so much better on the Fat Tire as the caliper brake seen on Fatboy Mini and Rocker Mini's struggle to safely stop a bike because of the fat tire.

    If you are trying to adjust the disc brakes, click to view the instructions that will help you get the most out of your Mini BMX.

    How to install disc brakes on a Mini BMX bike.

    For full instructions, please click here

    To install the Gyro Kit, follow these instructions:

    Ensure that the threaded portion of the upper adjusting barrel is flush with or slightly protrudes through the bottom of the upper cable stop. Ensure that the threaded portion of the lower adjusting barrel is flush with or slightly protrudes through the top of the lower cable stop.

    Attach the upper cable to the brake lever.

    Ensure that the adjusting barrel is fully tightened in the brake lever.

    Pull the link wire on the rear brake assembly until the brake shoes are touching the rim wall and tighten the brake bolt.

    The lower cable tension should be tight.

    Ensure that the brake shoes are positioned as per the diagram.

    Adjust the tension on the upper cable at the Y junction to ensure that there is sufficient tension on the cable stops to keep the cable ends in place in the rotor unit.

    For full instructions on a hi-ten wheel, please click here

    For full instructions on a Cross Wheel Set, please click here

    For instructions on changing a Turbo Wheel, please click here

    Instructions for changing the tyre on a Hi-Ten wheel

    Important - deflate tyre

    If disc brake is present, using a long screwdriver or similar - lever the disc anti-clockwise against hub to get started winding it off

    Undo the 5 x eye-bolts holding the hub half together (5mm hex one side, hub tool the other but sometimes not required. A super wide flat head screwdriver also works)

    Pull out the non-fixed side of the hub (opposite side to driver) and you should be able to get the tyre off.

    Swap tube to new tyre ensuring tread direction is correct


    Please check and adjust lock-rings, cranks, pedals etc before and after every ride.

    All surfaces should be wiped down with CRC or similar to prevent corrosion particularly if the paint or coatings become scratched.

    Alternatively surfaces can be sprayed with a clear coat for protection.

    The driver on the rear wheel should be sprayed well with CRC on a monthly basis. 

    Stripped threads, etc due to parts not being tightened may not be covered by warranty.

    Please see below for the instructions on how to install the Wildcat Pro Pegs on your Mini BMX.

    You may need to use a spark plug extension socket to tighten the nut.

    View instructions here

    For full instructions on how to assemble a mini bmx one piece crank, please click here


    Many people wonder how much weight will a Mini BMX hold? 

    A Wildcat one piece crank Mini BMX - or an A series - has been tested up to 100kg, however we recommend these bikes for people up to 80kg. 

    The three piece crank Wildcat Mini's - or a Pro Series - have been tested on riders up to 120kg, however we recommend them for riders up to 100kg if you are going to be using them at skateparks and doing big airs.

    Mini BMX bikes can really range in weight. 

    Keep in mind, the heavier it is, the harder it is to ride. 

    Wildcat Mini BMX have the lightest Mini BMX's on the market, with the Wildcat Mini Pro Series coming in at 8.9kg. 

    Wildcat has replaced the 'Clunky' steel cart wheels found on all other Mini BMX bikes for either the Turbo Wheel (on the Pro Series) or the Cross Wheel Set (on the OG3A series). 

    These Nylon and Aluminium wheels make them stronger, truer and lighter - avoiding many of the pitfalls that people find with cart wheels. 

    Why shred on an inferior bike when you can shred on a Wildcat.

    Wildcat Mini BMX Bikes are made for people aged 4-40.

    Children as young as 3 1/2 or 4 can ride a Wildcat Mini BMX - some parents will even add training wheels on the bikes until their child can ride confidently on their own.

    And adults up to to 40 or 50 years old can also ride. 

    Age is no barrier to riding a Wildcat mini bmx bike. 

    Wildcat BMX mini bikes are specially designed for both kids and adult to shred to their hearts content!

    Check out the range here

    OG3A: The OG3A range is built for riders looking to get more out of their time at the Skate Park or BMX Track and send it on the most advanced Mini Bike available. Built super tough, the OG3A features Cro-Moly bars and a 1 piece heat-forged crank, the new 2022 high pressure tyre and fiber infused nylon cross wheel rims. Recommended for riders up to 80kg.

    OG3 Pro Series: Wildcat continues to innovate with the ALL NEW OG3 Pro Series. Complete with new frame dropout, color tire, disc brake, T6 aluminium 4pcs type handle bar, CNC cassette 9t driver, only 8.3kgs (without brake). Available in 4 colors, get the worlds leading Mini BMX today.

    Parts: Wildcat Mini BMX carries a full range of BMX Mini parts. Including Mini BMX pegs, Mini BMX Fat tyres, handle bars, chains, BMX seats, three piece cranks and BMX Mini forks and frames. Most of our parts will fit on Spartan, Fatboy Mini's and Mini Rocker BMX bikes as well. We also have the only disc brakes for Mini BMX in Australia.

    The OG3A series Wildcat's have a one piece crank - tested up to 100kg but recommended for riders up to 80kg and come with the Cross Wheel Set.

    The OG3 Pro Series Wildcat's have a three piece crank - tested up to 120kg, and have the Aluminium and Nylon Turbo Wheel. They also have a improved frame geometry which makes riding even more comfortable for older riders.

    Wildcat is the world leader in Mini BMX development. We pioneered the Disc Brake to make stopping easier for those wanting to be able to control their Mini BMX more effectively.

    Some Mini's come with a calliper brake, however due to the 'fatness' of the wheel, these brakes have a limited braking ability.

    We used to use calliper brakes, but developed the disc brake to make it more effective, and ultimately safer.

    Mini Rockers, or Mini BMX bikes as they really are, do not all have brakes. 

    Most brands use an inferior Calliper brake which really struggles to grip the tire and stop the bike from rolling.

    Wildcat Mini BMX is the only brand to develop a Disc Brake which can be found on all Wildcat Mini Bikes at

    We include brakes to make them safer for all riders.


    Please email us on or reach out to us on Facebook or Instagram with any questions or comments. 

    We generally respond within a few hours - often quicker but it is much easier for us to be able to keep track of conversations this way.

    You can also use the link at the bottom of the page. 

    Our address is PO Box 48, Buddina, Qld, 4575

    Occasionally we will sponsor riders, however we receive requests every week from people looking to be sponsored. 

    To be eligible for sponsorship, you would need to be riding at the top level, or have a significant and genuine social media following of over 10,000 followers and proof that they are legitimate and not purchased followers.

    We will be looking for riders who have form, can bomb hard, and have a good following. 

    We want to know that you set the pace, and can bomb harder than others around you.

    If you'd like to apply to join the Wildcat Mini BMX Dealer Network, please express an interest on email at and we will email you more information on how you can apply. 

    Ultimately, it's about quality. 

    Many department store bikes and other brands you see are made from inferior materials - some even have plastic or cart wheels. And a dead giveaway is to look at the welds.

    Also, almost all Mini BMX bikes, except for Wildcat come out of the same factory. They are mass produced and have an inferior build.

    We are the first full strength Mini BMX with 100% specialized design and true BMX bloodline characteristics across the full range.

    Many have commented that our bikes are priced similar to 20" BMX's - well, that's because the parts used on a Wildcat have the same characteristics as 20" BMX bikes.

    We currently have 2 series of Wildcat BMX to allow you to purchase a lower spec bike at a cheaper price, but for the true professional and stunt rider, we have developed the Pro Series to help you bomb even harder.

    Wildcat continually develop the brand to make it lighter and stronger.

    The Wildcat Brand has been around since 2015, when it was born in Spain. 

    However, our MiniBMX factory began producing parts in 2012 for ODM during the initial explosion of the sport. With a professional team of researchers and developers working alongside the REDBULL riders, WILDCAT successfully developed the first generation of ORIGINAL Mini BMX, the first full strength Mini BMX with 100% specialized design and true BMX bloodline characteristics across their full range.

    Wildcat then launched in Australia in 2015, and New Zealand in 2017 and 2019 in the USA.

    Timeline of the Wildcat

    To this day Wildcat is the ONLY true Mini BMX brand (to our knowledge!) that owns and operates their own production lines. This allows constant evolution and innovation of their offering, keeping Wildcat well ahead of the competition.

    2015 - Wildcat successfully designed and developed professional accessories compatible with full size freestyle BMX use, standards of production and specialized processes.

    2016 - Wildcat developed new lighter, stronger and truer heat treated wheel hubs, replacing the inferior cart style wheel still used by some brands today... Also the CNC9t driver and the integrated CNC steering tube.

    2017 - Wildcat developed a specialized removable disk brake system.

    2018 - the new generation and worlds first aluminium alloy MiniBMX frame was successfully developed alongside the new Turbo wheel. Total bike weight has been reduced to just over 7kg making this the lightest and strongest MiniBMX in existence by a long shot. The new design is an astonishing 3kg lighter than its predecessor.

    2019 - Wildcat launches in the USA after incredible demand and request. Along the launch in the USA comes the brand new Pro Series - taking Wildcat to a whole new level of ride.

    2022 - Wildcat launches the OG Series and the OG Pro Series - taking things even further than anyone has done before.

    Warranty and returns

    For full warranty details, click here

    All frames carry a limited lifetime warranty against manufacturer defects.

    All parts are warranted for a period of 1 year from date of purchase against any manufacturing defect, all coating is warranted for a period of 3 months from date of purchase.

    Parts found to be defective will be replaced free of charge.

    The purchaser is liable for all labor connected with the repair or warranty work.

    This Warranty is effective only if:
    - Your Wildcat Mini BMX is completely and correctly assembled
    - Your Wildcat Mini BMX is used under normal conditions for its intended purpose
    - Your Wildcat Mini BMX receives all necessary maintenance and adjustment
    - Your Wildcat Mini BMX is dried and cleaned after each ride.

    This Warranty does not cover normal wear and tear, normal maintenance items, or any damage, failure, or loss that is caused by improper assembly, maintenance, adjustment, storage, or use of the bicycle.

    The claimant must be the original owner/purchaser and produce a receipt to prove the date of purchase. 

    Parts found to be defective will be replaced free of charge. 

    The warranty covers unexpected failure or defect of all parts/components that may not be attributed to fair wear and tear or crash damage outside that considered normal use. 

    This Warranty is effective only if the bike is correctly assembled, the bike is used under normal conditions for its intended purpose and receives all necessary maintenance and adjustments.

    This Warranty does not cover normal wear and tear, normal maintenance items, or any damage, failure, or loss that is caused by improper assembly, maintenance, adjustment, storage, or use of the bicycle.

    This Limited Warranty will be void if the bicycle is ever modified in any way, ridden by more than one person at a time, someone who exceeds the weight guidance or rented.

    Wildcat will not be liable for incidental or consequential loss or damage, due directly or indirectly from use of our products.

    You can find our returns policy here


    Please find our shipping policy here

    All our Mini Bikes receive free shipping within Australia.

    If your order is less than $300, there will be a small fee to cover the cost of shipping.

    For our full shipping policy, please click here

    All orders are processed within 1-2 business days. Orders are not shipped or delivered on weekends or holidays.

    Shipping for Mini BMX Bikes generally takes 2-5 days.

    Some parts may take up to 10 days to arrive.

    We generally use ground shipping with either Australia Post, Startrack, Aramax or other carriers to send out all BMX Bikes depending on which is the most efficient time and cost to send it. 

    You will receive a tracking number once the items are sent to enable you to keep track of them.

    Due to the size of the Wildcat Mini box, costs to freight next day or next 2 days are cost prohibitive.  

    If you need it urgently, please email us on and we can give you a quote to expedite shipping.

    Currently we don't ship outside of the Australia as a standard practice. If you live outside of the USA, and want to order a Wildcat, please email us for a quote on - we can advise what the shipping cost will be to get to you. 

    Wildcat Mini BMX USA is not responsible for any customs and taxes applied to your order. All fees imposed during or after shipping are the responsibility of the customer (tariffs, taxes, etc.).

    Please visit these websites for other international purchases:


    New Zealand


    Payment methods

    You can pay with all major credit cards on our website, including Apple Pay and Google Pay, or choose one of our Buy Now, Pay Later options including ShopPay, Afterpay, or Zip Pay.

    We also accept Paypal.

    Yes you can - we have partnerships with Afterpay, Shop Pay and Zip where you can buy now, pay later.

    With all platforms, you can pay in installments once you have been approved. 

    Four payments. Six weeks. Simple.

    And no hidden fees. That’s right. None. Zilch. Nada.

    Shred now! Pay Later!

    For all the information on Afterpay, click here

    Gift cards terms and conditions

    Shopping for someone else but not sure what to give them? Give them the gift of choice with a Wildcat Mini BMX gift card.

    Gift cards are delivered by email and contain instructions to redeem them at checkout. Our gift cards have no additional processing fees.

    You can only redeem your Wildcat Mini BMX Gift Card on 

    Click here to order

    Yes, provided there is still a balance remaining on the card.

    No, you can't reload a gift card.

    Yes. A customer can redeem another gift card during checkout.

    To check the balance of your gift card, please email and we will advise what is remaining on your card.

    No, you can't use a gift card to buy another gift card.

    Yes, gift cards are applied to the final order total which includes shipping and taxes.

    Most discount codes cannot be applied to gift cards. The exception is a product specific discount code where the product is a gift card.

    Yes, gift cards are a form of payment.

    No, not automatically. We provide a number of different gift card values, including $20, $25, $50, $100, $200, $300, $400, $500, $600. 

    However, should you wish to purchase a gift card for a specific amount that is not listed, please contact us and we should be able to set up a specific gift card to the value you wish to use (minimum value $10).