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🏍️ Master your ride with precision tension—because your chain deserves the best!
The Tru-Tension Chain Monkey is a patented, easy-to-use motorcycle chain tensioning tool designed for precise adjustments across all bike types. Lightweight and compact, it streamlines maintenance, saving time and money while ensuring optimal chain performance. Highly rated by riders worldwide, it’s a must-have for professionals and enthusiasts aiming for flawless chain care.







| ASIN | B015YD9WJW |
| Best Sellers Rank | 12,287 in Automotive ( See Top 100 in Automotive ) 3 in Motorbike Chain & Sprocket Kits |
| Brand | Tru-Tension |
| Brand Name | Tru-Tension |
| Compatible with Vehicle Type | Motorcycle |
| Customer Reviews | 4.3 out of 5 stars 970 Reviews |
| Global Trade Identification Number | 00731275727421 |
| Item Dimensions D x W x H | 14D x 31W x 3.5H centimetres |
| Item Type Name | Chain Monkey Setting Tool |
| Item Weight | 0.2 Kilograms |
| Item weight | 0.2 Kilograms |
| Manufacturer | Tru-Tension |
| Manufacturer Part Number | M001 |
| Model Number | M001 |
| Number of Items | 1 |
| Product dimensions | 14D x 31W x 3.5H centimetres |
| Size | One Size |
| Terminal | SAE Terminal |
| UPC | 731275727421 762578426193 |
| Unit Count | 1.0 count |
| Vehicle service type | Motorcycle |
| Voltage | 12 Volts |
A**D
Tensions perfectly
Easy to use just set it for your bike than adjust the wheel
K**R
Grate
Grate Value for money. Easy to use. good quality
A**L
Surprisingly useful
Just looking at the tool - A piece of moulded plastic with a bolt running through it - it seems like a lot of money for something that probably costs very little to make. Having used it a few times though, I'd say it's worth every penny. Set the rubber washer once, fit it to the chain and adjustment becomes a piece of cake with no more messing around with rules. It's become one of my favourite tools for the bike.
G**R
works well
makes a huge difference in trying to tension the chain, once it's set up you can get consistent results every time.
F**K
Didn’t Really Help Much
I tried using the Tru-Tension Chain Monkey to set my motorcycle chain tension, but I’m not convinced it actually made the process any easier or more accurate. In the end, I found that traditional methods—which you can easily find on YouTube or in your bike’s service manual—worked just as well, if not better. I wouldn’t necessarily recommend this, even for beginners, as it might create more confusion than clarity. The tool is well-made, but personally, I’ll be sticking to the tried-and-tested manual method in the future.
M**I
Remove the plastic cap
Take the black plastic cap off of the domed nut before use. It's only there to protect the chrome surface when not being used.
J**.
Handy little tool.
Definitely takes the faff out of setting your chain tension. I know you can do it with a ruler or measuring tape, as long as you have 4 arms... But with this, you only need 2 arms, and it takes a couple of minutes. Set it for your chain, bung it on the chain, adjust chain, take it back off the chain. Job done... Well... Maybe tighten up the bolts you loosened to adjust the chain. That's probably a good idea.
P**5
Works OK. Overpriced for its construction.
Firstly: I've been riding/maintaining motorcycles for over half a century. Chain adjustments a wee bit of a chore. Secondly: This piece of kit all but eliminates that chore. Thirdly: Best method is not to use the indicated lines to get the correct slack. Instead. Set your slack normally to your preference, then, attach the Monkey. Then, tighten the Monkey and make a note of the position on its scale. Then, in the future, adjust the chain with the Monkey to your own noted mark on the tool. It works well. The idea's a good one and that's why it doesn't cost between five and ten quid. I guess when the patent's up there'll be Chinese ones for $4.99 on AliExpress. In the meantime, if you want to make chain adjusting very, very much easier....buy one now from Amazon.
C**A
es de mucha ayuda
un ajuste rápido y preciso de verdad es excelente.
R**E
Would buy again.
Works as needed. Remove the black cover as stated on instructions. Useful.
D**S
Easy
Very easy to use
J**E
General
Perfecto.
R**L
Only 1 item delivered despite 2 in product description
The product shows 2 items, but only 1 was delivered. This is very dishonest. Do not recommend to purchase!
Trustpilot
3 weeks ago
2 weeks ago