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<h1 id="please-refer-to-this-chart-to-select-the-correct-nut-for-your-axle">Please refer to this chart to select the correct nut for your axle.</h1> <div align="left" dir="ltr" id="isPasted" style="margin-left:0pt;"><table style="border:none;border-collapse:collapse;table-layout:fixed;width:468pt;"><tbody><tr style="height:0pt;"><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;">Model</td><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;"><span style="font-size: 16px; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 700; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Front&#xA0;</td><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;"><span style="font-size: 16px; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 700; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Rear</td></tr><tr><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;">X-Class 60V Performance Edition</td><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;">M10 X 1.25 TPI BOLTS ON BOTH ENDS </td><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;">M14x1.5mmFlanged locknut</td></tr><tr><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;">X-Class 60V Cafe Racer/Off Road Editions</td><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;">M10 X 1.25 TPI BOLTS ON BOTH ENDS </td><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;">M14x1.5mmFlanged locknut </td></tr><tr style="height:0pt;"><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;"><span style="font-size: 16px; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 700; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Grizzly 52V Gen 3</td><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;"><span style="font-size: 16px; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">M14 x 1.5 tpi (21mm wrench)&#xA0;</td><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;"><span style="font-size: 16px; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">M14 x 1.5 tpi (21mm wrench)&#xA0;</td></tr><tr style="height:0pt;"><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;"><span style="font-size: 16px; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 700; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">X-Class 52V Gen 1</td><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;"><span style="font-size: 16px; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">&#x215C;-26, 15 mm&#xA0;</td><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;"><span style="font-size: 16px; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">M14 x 1.5 tpi (21mm wrench)&#xA0;</td></tr><tr style="height:0pt;"><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;"><span style="font-size: 16px; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 700; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">X-Class 52V Gen 2</td><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;"><span style="font-size: 16px; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">&#x215C;-26, 15 mm&#xA0;</td><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;"><span style="font-size: 16px; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">M14 x 1.5 tpi (21mm wrench)&#xA0;</td></tr><tr style="height:0pt;"><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;"><span style="font-size: 16px; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 700; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">X-Class 52V Step Thru&#xA0;</td><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;"><span style="font-size: 16px; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">&#x215C;-26, 15 mm&#xA0;</td><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;"><span style="font-size: 16px; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">M14 x 1.5 tpi (21mm wrench)&#xA0;</td></tr><tr style="height:0pt;"><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;"><span style="font-size: 16px; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 700; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Kepler&#xA0;52V - High Step</td><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;"><span style="font-size: 16px; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">&#x215C;&#x201D;x16 Nut and takes a 15 mm wrench</td><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;"><span style="font-size: 16px; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">M14 x 1.5 tpi (21mm wrench)&#xA0;</td></tr><tr style="height:0pt;"><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;"><span style="font-size: 16px; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 700; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Kepler 52V Step Thru&#xA0;</td><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;"><span style="font-size: 16px; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">&#x215C;&#x201D;x16 Nut and takes a 15 mm wrench&#xA0;</td><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;"><span style="font-size: 16px; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">M14 x 1.5 tpi (21mm wrench)&#xA0;</td></tr><tr style="height:0pt;"><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;"><span style="font-size: 16px; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 700; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">D-Class&#xA0;48V</td><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;"><span style="font-size: 16px; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">M14X1.5</td><td style="border-width: 1pt; border-style: solid; border-color: rgb(0, 0, 0); vertical-align: middle; padding: 5pt; overflow: hidden; overflow-wrap: break-word;"><span style="font-size: 16px; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 0, 0); background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">M14X1.5</td></tr></tbody></table></div> Do not hesitate to reach out to us through our contact form, <a href="https://arielrider.com/pages/contact-us" target="_blank" rel="noopener noreferrer">here</a>, if you need assistance.

Model. Front. Rear. X-Class 60V Performance Edition. M14x1.5mm. Flanged locknut. X-Class 60V Cafe Racer/Off Road Editions. M14x1.5mm. Flanged locknut. Grizzly 52V Gen 3. M14 x 1.5 tpi (21mm wrench). M14 x 1.5 tpi (21mm wrench). X-Class 52V Gen 1. ⅜-2

What size nut do I need for my axles?

Owners resources & Technical support

General technical support info

Wheels, Motors, Tires, & Spokes

Do you want to talk to a real person to learn more about our bikes before making a purchase?

What are the current expected shipping times for your bikes?

Do you offer test rides? Do you have any local dealers?

Do you sell any open box bikes locally?

Can I pick up my bike(s) locally instead of via shipping?

What warranty comes with the bike?

What assembly is required for each Ariel Rider model?

Will this Ariel Rider bike fit me? Rider's heights.

What is pedal assist?

Do your bikes require a signature upon delivery?

Can you recommend a child seat that is compatible with your fat tire bikes?

Where are Ariel Rider bikes made?

What is your return policy if I decide the bike isn’t a good fit for me?

Can I pay extra for a custom paint job?

Do your bikes work in cold weather, rain, or on hills?

Are your bikes water resistant?

Do you have an Ariel Rider bike for kids?

Can I load my bike to my car?

Can I modify my bike?

Does modifying a bike's paint void the warranty?

What type of valves are used on the tires?

Does Ariel Rider offer trade-in or buyback programs?

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Pre-sale bike FAQs

Do you want to talk to a real person to learn more about our bikes before making a purchase with Ariel Rider?

What payment methods do you accept?

Do you accept PayPal?

Do you offer financing? How does it work and what are my options?

Do you charge sales tax?

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Do you have sales or offer discounts?

Can you declare a lower value on my package?

Can I place an order for an item that’s in stock, but request to hold it for a future date?

Can I pre-order accessories or parts that are out of stock?

For pre-order/back-ordered items, do you charge right away or wait until the item is shipped?

What does pre-order mean?

I placed an order that didn’t complete but I have a pending charge? Why was it canceled?

My order was automatically canceled right after it was placed, why was it canceled?

How do pre-orders work for bikes?

When will the Grizzly, Kepler, or X52 models be restocked again and available to purchase?

When will your current bike(s) ship?

Can orders be delivered to a UPS or FedEx store?

How do I get notified when an out-of-stock item becomes available?

Do new batteries come with chargers?

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How do I buy a part that's not listed on the website?

How do I use my loyalty points

Do you offer a price adjustment if I purchased right before a sale?

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How long does shipping take?

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Are signatures required for bike deliveries?

Which shipping carriers do you use?

Do you ship to PO Boxes?

Do you ship to Alaska or Hawaii?

Do you ship to my country?

Can you take an Electric Moped Bike on a plane?

Pre-sale shipping & delivery FAQs

Before you buy an Ariel Rider

Can I modify my order or delivery details?

Can I modify my order once I’ve received a tracking number via email?

Can I modify my existing unshipped order to add more items?

Can I cancel my order and will there be a fee involved?

What should I do if I can't find my tracking number?

What should I do if my tracking number hasn’t updated?

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How do I return a part or accessory?

How long does it take to receive a refund?

Returns, changes, & cancellation FAQs

What should I do if an item is missing from my package or order?

What should I do if my bike or accessory was damaged during shipping?

I cannot find my keys? (My bike was just delivered)

Do I need to adjust anything on my bike when it arrives?

How do I register for warranty?

How long do I have to register the warranty after I receive the bike?

What is included in the pre-ride check?

Pre-ride safety checklist

Do motorized bikes require maintenance?

How often should I have my bike serviced?

Routine maintenance

Washing your Ariel Rider motorized bike

Storing your Ariel Rider bike

Bike security: Protecting your Ariel Rider bike from loss or theft

Can I install parts from one model on another?

Basic maintenance & pre-ride FAQs

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What should I do if I need assistance with product assembly or technical issues?

How do I order a replacement part that is not listed on your website?

I'm purchasing or purchased a 2nd hand Ariel Rider bike, can I purchase replacement parts?

Does the warranty transfer when if I decide to sell my bike while it's still under warranty?

What should I do if my bike was stolen?

How do I turn on the headlights?

How do I access the display settings?

How can I order a replacement display for my bike?

How can I reset the PIN number on my display if I've forgotten it?

What should I do if the display screen on my e-bike is not functioning properly?

Should I reset to factory settings in the display?

Should I use dielectric grease in display connectors?

What is error code 30?

The Mileage on my bike is inaccurate

Display & control settings

What battery cells do you use?

Proper battery maintenance

Can I have my battery checked out by a local battery tech? (I need help with my battery)

Which battery is compatible with my bike?

Can I charge my battery in the EU/Asia/etc?

Can I replace my bike's battery if it gets damaged due to rain?

Can I run my bike without the battery detection module?

What should I do if my key is not working to unlock the battery?

Battery lock not working

What should I do if my battery lock mechanism fails and the key cannot be removed from the lock?

Battery return instructions for Ariel Rider (For inspection after receiving battery kit)

What size nut do I need for my axles?Updated 7 days ago

Please refer to this chart to select the correct nut for your axle.