FAQ
Frequently Asked Questions
🔻General Info
🔹 How fast can it go?
• It depends on your setup refer to your product page for speed and range estimates
• You need the correct setup to draw the full motor power follow our guidelines
🔹 Where are you based?
• Based in Melbourne
Australian express orders are dispatched from here
Standard orders are shipped from our manufacturer in China
Our warranty and repair warehouse is also located here
🔹 Shipping methods & estimated delivery times?
• We ship Australia-wide with express delivery in 3 to 5 business days
• Our standard delivery option takes 30 to 45 days
• We currently do not offer worldwide shipping
🔹 How do I contact you?
• Email us at sunny@ampx.com.au
🔹 Do kits & batteries ship together?
• The motor kit and battery ship separately due to packaging and carrier requirements
🔹 Do you use XT60 or XT90 or XT150 connectors?
• We offer all connector type options including XT60, XT90 and XT150
• If no preference is specified via email after purchase, the connector type will be shipped at random
🔹 Which countries do you ship to?
• We currently ship worldwide to:
    • Australia
    • United States
    • Canada
    • United Kingdom
    • Europe: Austria, Belgium, Bulgaria, Croatia, France, Germany, Greece, Hungary, Italy, Netherlands, Poland, Portugal, Slovakia, Slovenia, Spain
🔻Product Setup
🔹 Do I need both a kit & battery?
• Yes both are sold separately and required for a full setup
🔹 What bikes are compatible with your kits?
• Our kits fit hardtail mountain bikes, hybrid bikes, and city or road bikes
• Your frame must have 135mm rear open-slotted dropouts (new models such as Trek Marlin 7 Gen 3 have closed dropouts as opposed to Trek Marlin 7 Gen 2 having open dropouts)
• Alloy or steel frames are recommended
• Carbon frames are not recommended due to cracking risk
🔹 What do I need to know before installing the kit?
• 250W to 3000W motors support 135mm dropouts (150mm option available email us after purchase)
• 5000W motors support 150mm dropouts (170mm option available email us after purchase)
• Kits are water resistant not waterproof
🔹 What does the MTX motor hub require?
• The MTX motor hub is designed for threaded freewheels not modern spline-style cassettes
• If your bike uses a spline-style cassette (common on newer bikes) you’ll need to replace it with a threaded freewheel which is a very cheap and easy fix
🔻 Installation
🔹 Can you install it yourself?
• Yes, the kit is plug and play with basic tools
• Having a second person to help makes the process much easier
• If unsure, we recommend getting help from a local bike technician
🔹 What tools are required for the full setup?
• Allen key set
• Adjustable wrench or spanner
• Phillips head screwdriver
• Cable ties (provided)
• Torque arm wrench or socket
• Chain whip & cassette tool (if reusing your old cassette)
• Electrical tape or heat shrink (optional)
• Tire levers & floor pump
🔹 How long does install take?
• Beginner: 1 to 3 hours — you may need to follow video guides
• Experienced: Around 30 minutes with basic bike tool knowledge
We provide full instructions and after-purchase support until build is complete A to Z
🔹 What throttle is included?
• Full twist throttle is included by default
Email us after purchase if you prefer half twist or thumb throttle instead
🔻 Battery
🔹 What are the battery dimensions?
• Check dimensions carefully to ensure your bike frame has enough clearance.
(All measurements Side × Top × Bottom)
Triangle Batteries:
48V 20Ah (Hardcase)
25cm × 39cm × 32cm
52V 20Ah (Hardcase)
25cm × 39cm × 32cm
52V 30Ah (Soft Case)
28cm × 43.5cm × 46.5cm
72V 20Ah (Hardcase)
24cm × 36.5cm × 41cm
72V 30Ah (Soft Case)
26cm × 40cm × 45cm
🔹 Does my bike need a specific spot for the battery?
• Yes your frame must have space inside the main triangle
Tip: Measure your available space and compare it to battery dimensions listed
🔹 How do I choose the right battery?
• Refer to motor and battery listing to view compatible and suggested battery options
🔹 How long will the battery last?
• Up to 5 years with proper care
• Rated for 1200+ charge cycles
🔹 How should I care for my battery?
• Only use the charger we provide. Using other chargers may void your warranty
• Don’t fully drain the battery. Recharge when it drops to around 10–20%
• Unplug the charger once it’s full (red light turns green)
• Store in a cool, dry place. Avoid extreme heat or freezing
• If storing long-term, keep the battery at about 50% charge
• Never wash or soak the battery
• Let the battery cool down after riding before you charge it
• Check and clean the connector ports regularly
🔹 How do I check battery health over time?
• Use a voltmeter or track a noticeable drop in riding range
• A full guide will be provided soon
🔹 What battery options do you offer?
• Triangle batteries in 48V, 52V, and 72V
• Downtube batteries in 36V, 48V and 52V
All batteries includes a charger
🔻 Warranty Support
🔹 What happens if I miss the delivery?
• Couriers usually leave a delivery slip or send an email or text
• Your parcel may be taken to your local post office or scheduled for redelivery
🔹 Do you offer payment plans or bulk discounts?
• Afterpay and Zip Pay are coming in 2025
• Wholesale pricing is available email your order request and we'll quote you within 24 hrs
🔹 Do you have a service centre?
• Yes located in Melbourne we'll conduct all warranty repairs and replacements through here.
🔹 Can I change my address after ordering?
• Sure contact us immediately if your order hasn’t shipped yet
🔹 Is shipping insured?
• Yes all parcels are covered for loss or damage
🔹 What is your refund & warranty policy?
• Refunds: We do not offer refunds please choose carefully
Warranty:
– Motor: 2 years
– Battery: 18 months
– Controller & charger: 1 year
~Installation damage is not covered but spare parts are available on request
🔹 What if my item is damaged in transit?
• Take clear photos or videos and contact us we’ll investigate and send a replacement