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EBIKELING Universal Torque Arm Conversion Kits for Electric Bicycle, EBike Front or Rear Hub Motors and Mid Drive e-Bike Tool for Maintenance, 6 pc Ebike Accessories
0 out of 5
$46.00 Original price was: $46.00.$9.74Current price is: $9.74.
SKU: B07C7J1ZD7
- Size Guide
- Reviews (13)

| Size | DHL Box | Internal Dimensions (cm) | Max Weight (kg) | FedEx Equivalent (approx.) |
|---|---|---|---|---|
| XS | Box 2 | 33.7 × 18.2 × 10 | ~1 | Small Box (8″×8″×8″) |
| S | Box 3 | 33.7 × 32.2 × 10 | ~2 | Medium Box (12″×12″×10″) |
| M | Box 4 | 33.7 × 32.2 × 18 | ~5 | Large Box (13″×13″×11″) |
| L | Box 5 | 33.7 × 33.2 × 34.5 | ~10 | FedEx 10kg Box (40.16 × 32.86 × 25.88) |
| XL | Box 6 | 41.7 × 35.9 × 36.9 | ~15 | FedEx Large (16″×16″×16″) |
| XXL | Box 7 / 8 | 48.1 × 40.4 × 38.9 or 54.1 × 44.4 × 40.9 | ~20–25 | FedEx Extra Large (42 × 42 × 47) |
13 reviews for EBIKELING Universal Torque Arm Conversion Kits for Electric Bicycle, EBike Front or Rear Hub Motors and Mid Drive e-Bike Tool for Maintenance, 6 pc Ebike Accessories
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Buddy Salisbury –
It works
Need it to keep the axile from spinning
herb h. –
Torque arms are a necessity
Very good
Danny Lowery –
Great!
Works great just a little thick on my trek 4 series
Review –
A must have for heavy trikes with 1500 watt hubs
Look if you got a heavy bike/trike and are putting a beefy front hub in these are a must have. Prior to installing these applying full power would cause the hub to spin in the fork no matter how tight I made the bolts.I got super lucky it didn’t damage my fork too much or shred the wires going into the hub otherwise I would have been out $700.These should come standard in front hub kits and every video on YouTube should recommend people install these.The clamps were a bit too large for my fork but that was easy to solve by getting smaller ones. While I think the clamp would have been strong enough I also put in steel straps the entire length of this part for added security so my hub would have to apply over 5,000lbs of force to break things now which it will never do and I never have to worry again
CS –
Frustrating – doesn’t fit my Trek 3700
Doesn’t work with my frame on either the gear or non-gear side.In the optimal placement position, the inner nut (even without using lock washer) is too prominent and abuts the frame.If it is placed in a different position, to allow the holding bolt to not strike the frame, the other arm either interferes with the nut holding the rear drive wheel on or leaves the slot for the hose clamp in a sub optimal position.I’m going to get some washers to offset the bracket to allow for clearance of the nut, but the farther the bracket is from the frame, the less effective both for the torque limiting effect and this may also reduce the number of threads for the main nut holding the drive wheel on. Sigh.This, this arm isn’t right for my frame (and there’s not really a way to determine this up front without buying and trying), but the alternative, to make my own, is even less appealing so time to just MacGyver it to make it work, but only gets 3 stars.Hard to make things universal, but pretty frustrating to buy something that doesn’t fit.
AEH in FL –
Very sturdy and works great.
I installed one on each side of the forks on my father’s adult e-tricycle with 250w hub motor. Curiously, his bike did not come with them. After about 3-4 months of use, the torque from them motor opened the cradle end of the forks allowing the shaft to spin. I did a little internet research and found these torque arms on Amazon. Package was delivered quickly and was easy to install (after watching a YouTube video on installation). His forks use small diameter tubing and the provided clamp was made for fairly large tubing. So, I used two smaller clamps that I had in my garage. The larger ones would have worked, but I would have had to cut the excess length of strap from the clamp. Overall, I’m very satisfied and my father is pleased to be able to ride his bike around the park. At 92 years old, the motorized tricycle is a real blessing.
Larry Lee Johnson –
Excellent Quality, service and price
PREVENTS AXEL FROM TURNING IN BICYCLE FRAME!
Myridge –
It’s a must have with a 750-1000w motors
I didn’t have at first and spun the hub once. This thing should be mandatory for E-bikes with big torque motors.
Vladimir Lazic –
I bought this product for my friend. He is very satisfied with it. Really fast and easy delivery.
marcus4103 –
High quality strong metal. Worth every penny. Thinking of buying another one, for the rear one….
Amazon Customer –
Not stainless steel. the security given at 30 miles a hour priceless. not recommended. slower safer is better.
Amazon Customer –
Fonctionne bien sûr un vélo super cycle modèle 1800 modifier électrique
Brian N. –
Be aware the “coloured” arms are just spray painted, they are not a coloured metal alloy. Works as it shouldI found the clamps too large for my fork setup so I had to go to hardware store to get smaller ones. This does the job.