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Please refer to this chart to select the correct nut for your axle. <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 <a href="mailto:info@arielrider.com">info@arielrider.com</a> if you need assistance.

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

What size nut do I need for my axles?

Owners Resources

General Technical Support

What are the motor differences between the 60V editions available?

When will the X-Class 60V Off-Road Edition ship if I order today?

How does the  X-Class 60V Off-Road Edition perform in different terrains? What about wet or snowy conditions?

What is the frame material of the  X-Class 60V Off-Road Edition?

Can I test ride the X-Class 60V Off-Road Edition before purchasing?

What types of brakes does the X-Class 60V Off-Road Edition have?

What safety features are included in the  X-Class 60V Off-Road Edition?

How does the new X-Class 60V Off-Road Edition compare to competitor models?

Are there any customizations available for the  X-Class 60V Off-Road Edition?

Does the X-Class 60V Off-Road Edition have a torque sensor or a cadence sensor?

What type of battery does the X-Class 60V Off-Road Edition have?

What is the capacity (Ah) of the batteries?

What is the peak torque of the motor on X-Class 60V Off-Road Edition?

How many levels of pedal assist does X-Class 60V Off-Road Edition have?

What is the wheel size and type on X-Class 60V Off-Road Edition?

What is the IP rating for water and dust resistance?

Does the X-Class 60V Off-Road Edition come with integrated lighting?

What is the weight limit for the X-Class 60V Off-Road Edition?

X-Class 60V Off-Road Edition

What is the expected delivery time for the X-Class 60V Performance Edition?

Can the  X-Class 60V Performance Edition be used for commuting? Can it be used for off-road use?

What is the frame material of the X-Class 60V Performance Edition?

Can I test ride the X-Class 60V before purchasing?

What type of brakes does the  X-Class 60V Performance Edition have?

What safety features are included in the X-Class 60V Performance Edition?

How does the  X-Class 60V Performance Edition handle in wet or snowy conditions?

Are there any customizations available for the  X-Class 60V Performance Edition?

Does the X-Class 60V Performance Edition have a torque sensor or a cadence sensor?

What type of battery does the  X-Class 60V Performance Edition have?

What is the battery Ah and range of the X-Class 60V Performance Edition?

What is the peak torque of the motor for the  X-Class 60V Performance Edition?

How many levels of pedal assist does the X-Class 60V Performance Edition have?

What is the wheel size and type on X-Class 60V Performance Edition?

What is the IP rating for water and dust resistance for the X-Class 60V Performance Edition?

Does the  X-Class 60V Performance Edition come with integrated lighting?

What is the weight limit for the X-Class 60V Performance Edition?

What kind of motor is used in the  X-Class 60V Performance Edition?

X-Class 60V Performance Edition

What is the expected delivery time for the X-Class 60V Cafe Racer Edition?

How does the X-Class 60V Cafe Racer edition handle in wet or snowy conditions?

What is the frame material of the X-Class 60V Cafe Racer Edition?

Can I test ride the new X-Class 60V models before purchasing?

What type of brakes does the X-Class 60V Cafe Racer Edition have?

What safety features are included in the X-Class 60V Cafe Racer Edition?

Are there any customizations available for the  X-Class 60V Cafe Racer Edition?

Does the X-Class 60V Cafe Racer Edition model have a torque sensor or a cadence sensor?

What is the battery Ah for the X-Class 60V Cafe Racer edition?

What is the peak torque of the motor for the X-Class 60V Cafe Racer Edition?

How many levels of pedal assist does the X-Class 60V Cafe Racer Edition have?

What is the wheel size and type of the X-Class 60V new Editions?

What is the IP rating for water and dust resistance for the X-Class 60V Cafe Racer Edition?

Does the X-Class 60V Cafe Racer Edition with integrated lighting?

What is the weight limit for the Cafe Racer edition?

What kind of motor is used in the X-Class 60V Cafe Racer Edition?

X-Class 60V Cafe Racer Edition

Why is the X-Class 60V discounted right now?

Will the price go lower if I wait?

Is there something wrong with the bike since it’s on sale?

How long does the sale last?

Will my warranty still apply if I buy during the sale?

Will this sale be extended?

Fall Into Power X-Class 60V Limited Sale

New X-Class 60V Models 2025

What assembly is required for each Ariel Rider model?

Will this Ariel Rider bike fit me?

Do you have an Ariel Rider bike for kids?

Can I pay extra for a custom paint job?

Where are Ariel Rider bikes made?

What warranty comes with the bike?

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

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

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

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

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

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

Do you have an affiliate program?

Are your bikes water resistant?

What is pedal assist?

Can I load my bike to my car?

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

What type of valves are used on the tires?

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

Purchased a 2nd hand Ariel Rider bike, can I purchase replacement parts?

When will your current bike(s) ship?

Do you have any open box sales? If so, how do they work?

How do I apply to be a dealer?

Do you sell any open box bikes locally?

General Bike/Product 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?

How can I get financing?

Do you charge sales tax?

Do you charge shipping costs?

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 backorder 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?

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?

Placing a bike Order/Payment/Discounts FAQs

Do you cover shipping costs?

Are signatures required for bike deliveries?

Do you ship to PO Boxes?

Which shipping carriers do you use?

Will my accessories ship with my bike?

Do you ship to my country?

Do you ship to Alaska or Hawaii?

Do I get tracking when my item(s) ship?

How long does shipping take?

Do accessories and parts ship with the bikes?

How can I get an invoice for my purchase?

Can you take an Electric Moped Bike on a plane?

Shipping/Delivery Policies & FAQs

Before you buy an Ariel Rider

Do I need a license for your Bikes?

How fast do your bikes go?:

Are your bikes street legal?

Pre-Ride Safety checklist

Safety FAQS (Bike + Battery/Charger Safety)

Before and after you buy an Ariel Rider

Can I modify my order to add more items?

How can I cancel my order?

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

Can I modify my order or delivery details?

How long does it take to receive a refund?

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

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

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?

Does Ariel Rider offer trade-in or buyback programs?

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

How do I use my loyalty points

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

How do I return a part or accessory?

How can I verify my purchase for e-bike parts?

Orders, Returns, Shipping, & Cancellation Policies/FAQs

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

How do I register for warranty?

What is included in the pre-ride check?

How do I know when it's time to change my tires?

How much should I inflate my tires?

My front axle nuts are missing

Pre-Ride FAQs

Do motorized bikes require maintenance?

Routine maintenance

How often should I have the Bike Serviced?

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

Washing your Ariel Rider motorized bike

Storing your Ariel Rider bike

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

I cannot find my keys?

Can you recommend a shop for bike maintenance?

General/Basic Electric Motor Bike Maintenance FAQS

After you buy an Ariel Rider

How can I get Technical Support?

Can I install parts from one model on another?

Can I reprogram my controller?

Can I convert my 48-Volt bike to a 52-Volt bike?

How to adjust the rear derailleur on your Ariel Rider bike

How do I access the display settings?

How do I turn on he headlights?

Can I modify my bike?

What spokes should I use?

Should I reset to factory settings?

My brakes feel soft or spongey?

What battery cells do you use?

Can I have my battery checked out by a local battery tech?

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

I need new tires, what should I get?

What is error code 30?

My brake pads are closed

How to change rotor

I've recently had a flat tire, is it covered under warranty?

My brakes are squeaky, what should I do?

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

My Spokes Are Loose, What Should I Do?

My Tire Has Slipped Out of the Rim.

What should I do if my bike is stolen?

Clicking noise coming from my wheels

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

What can I do about missing axle nuts for my bike?

How to install/replace a rear motor core

Battery return instructions for Ariel Rider

Motor core return instructions for Ariel Rider

What size nut do I need for my axles?Updated 4 hours ago