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Universal Torque Arm Conversion Kit,Fit for Electric Bicycle E-Bike Front or Rear Hub Motors (M14) 2 Set

Based on 87 reviews
Condition: New
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$11.88
Holiday Deal · 99% off was $1,899.00

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Arrives within 30 days
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At a glance

Condition
New
Weight
0.16 kg
Color
silver
Material
Aluminum，Alloy Steel
Bike Type
Electric Bike
Suspension Type
Rear, Front
Special Feature
Electric
In the box
E-Bike Accessory Kit

Features 5

  • Universal : This universal torque arm conversion kit works with e-bikes. Except for specific shafts(the size of the motor shaft does not exceed 14mm), this product is appropriate for regular shafts. Its very simple to install.
  • Function: This torque arm will help prevent the motor from coming loose from the fork (front) or frame (rear) and also prevent the slotted axle from bending or breaking your dropouts.
  • Mast Have: The torque arm is a must have for DIY ebike,if youre running a front fork hub motor or rear motor. It helps stop the reverse torque and wearing out axle cut outs In the forks.
  • High Quality: Strong quality metarial, very sturdy. It is made of high quality antioxidant iron and aluminum. The surface is anodized to completely resist oxidation and corrosion, and to maintain a long-lasting.

Description

This Universal Torque Arm Conversion Kit Fit for E-Bike，This product is suitable for normal motor shafts, (the size of the motor shaft should be less than 14mm) This torque arm will help prevent the motor from loose from the fork or frame and also prevent the slotted axle from bending or breaking your dropouts.

Specs 32

Bike Type Electric Bike
Age Range (Description) Adult
Brand Generic
Color silver
Frame Material Aluminum，Alloy Steel
Suspension Type Rear, Front
Special Feature Electric
Size Small

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: within 30 days

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews

Works great
Great quality fits well and strong works great on my 1500w varstrom hub motor
Reviewed in the United States on June 28, 2026 by Greenlungs81
Good price. Good quality. Quick shipping.
Why did you pick this product vs others?: Good price. Good quality.
Reviewed in the United States on July 11, 2025 by Michael Kling
Before you order
Check your hub motor to make sure its axle has flat sides. If it's completely round, this torque arm won't work. I have an older Bafang 250W 24V hub motor with a round axle and it was a no-go for it. But I'm keeping the kit, which is good quality, in case I have a use for it in the future. Incidentally the torque arms work best when mounted to the rear sides of the front fork. I saw a bit of disagreement online as to which side, front or back, was best. Then I saw a video that demonstrated the torque physics and convinced me that the rear side is the side to go with. ... show more
Reviewed in the United States on July 18, 2023 by Once in a while
Good
Husband says it works as should
Reviewed in the United States on July 10, 2026 by NS
Mandatory for ebike
Without these on ur powerful ebike, things will get ugly real quick. The power from the torque is too much and nuts will get loose, always check ur wheels and make sure they tighten. If not and without these torque arms on it, ur wheel will fly off. I felt a weird wobble and pulled over and the nut was lose turning it by hand. Thank God I had these torque arms holding it on if not doing 40mph and having wheel fly off doesn't look like it would be much fun. Must have ... show more
Reviewed in the United States on August 21, 2025 by Mp
Just buy them. You won't regret it.
I never needed these until recently. I never knew how much I did need them till it was to late. Won't catch me without them ever again. Wise investment.
Reviewed in the United States on March 30, 2025 by Larry F.
Works without both torque arms on axle
For my cable grabbing axle, this definitely stops the axle from spinning, even if 1 side is installed.
Reviewed in the United States on March 20, 2025 by bandy_gamer
Doesnt fit my bike
Not sure why these are called "universal", they didn't fit my bike at all without having to drill holes. They seem to be made for front forks only, and I needed torque arms on the rear. I got them to work, but like I said, you'll have to drill your own holes on the arms to attach them to your rear fork. ... show more
Reviewed in the United States on July 19, 2026 by Joe L
How it works
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