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⚙️ Master your ride with precision — don’t let slack hold you back!
The Tru-Tension Chain Monkey is a patented, lightweight motorcycle chain tensioning tool designed to deliver precise, consistent chain tension quickly and easily. Engineered for riders who demand professional-grade maintenance, it simplifies a traditionally tedious task with clear settings and a compact design, making it an indispensable addition to any motorcycle toolkit.







| ASIN | B015YD9WJW |
| Best Sellers Rank | #359,545 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #262 in Powersports Chain & Sprocket Kits #417 in Kids' Bike Accessories |
| Brand | Tru-Tension |
| Brand Name | Tru-Tension |
| Compatible with Vehicle Type | Motorcycle |
| Customer Reviews | 4.2 out of 5 stars 946 Reviews |
| Global Trade Identification Number | 00731275727421 |
| Included Components | Tru Tension 731275727421 |
| Item Type Name | SPORTING_GOODS |
| Item Weight | 0.2 Kilograms |
| Manufacturer | Tru-Tension |
| Manufacturer Part Number | M001 |
| Manufacturer Warranty Description | Manufacturer Warranty |
| Model Number | M001 |
| Size | One Size |
| UPC | 731275727421 762578426193 |
| Unit Count | 1.0 Count |
| Vehicle Service Type | Motorcycle |
| Voltage | 12 Volts |
C**O
Innovative product that provides consistent chain tension each and every time
They should provide better examples of the chain tension setting. Ducati asks you to measure the gap between the center link of the chain and the swingarm surface. Does this correlate to the measurements provided on the back of the product card? To answer this question, I went to my bike which had the chain tensioned in accordance with the factory service manual, and proceeded to crank down on the Chain Monkey. I found that it came close, I had to really crank down on the Chain Monkey to match the setting. So I feel the Chain Monkey may get me there, but more consistently each time. The crank knob kept coming apart, the end cap kept popping out. Overall: 5/5 stars
S**.
Time saver
Easy to setup and use.
O**.
Makes chain adjusting quick & easy.
Works pretty much as advertised. Adjusting a motorcycle's chain slack can be a pain. I basically have to lay on the ground to see what I'm doing. All motorcycles are different. Most people don't have a lift. The first time takes a little trial and error until you get this tool dialed in. Once you do, just leave it set. If you have more than one bike mark it with a paint stick in two spots. Next time I clean and oil the chain I'll stick this thing on the chain and crank it down to the rubber washer and if their's too much slack just loosen the axle nut and remove all the slack. Another tool for this job is Motion Pro's Chain Alignment Tool. If you have an older bike with miles on her clock things tend to get a little more loosey goosey. I'm throwing this tool in my AWOL Bag. Nuf said.
T**Y
This works!
I wrote a review for the LED product and how it didn't fit. However, this works. Just follow the instructions for proper chain tension. I used this product to calibrate the other chain tension product (BP Racing I think).
I**L
👍 tpol
Definitely need to watch some YouTube videos to know what your doing and play with it but once you get the hang of it. Pretty simple
G**0
Best way to consistently and accurately adjust your chain
This is a brilliant product. It should have been created decades ago. No question about consistent chain tension. Just find the correct adjustment, and mark it. When it comes time to adjust your chain, put this little guy on, and adjust. Done in 30 seconds. No measuring.
C**.
Good concept, bad execution
I really wanted the Chain Monkey to work. The concept seems sound, however the implementation is not. On my chain and on the first try, the tool's domed nut was getting ground down by the chain, and I found metal shavings from the nut on the chain. I could feel the nut grinding away, so I backed it off before I even achieved minimum tension. Upon removal, I found a deep circular scar on the nut. Would this mean it would require regular recalibration to account for the lost material? Possibly. In any case, I'm not thrilled about the idea of leaving metal shavings on my chain and wearing down the tool with every use. It really needs a redesign to allow the nut to swivel on the screw so that the nut isn't rotating against the chain.
T**M
Great product!
Gret product that works very well. Easy to adjust and put on. It just sucks because I can't use my laser alignment tool at the same time, but as long as I get it set with this then I can do minor tweaking to get a perfect alignment.
C**A
es de mucha ayuda
un ajuste rápido y preciso de verdad es excelente.
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!
J**N
.
Good
Trustpilot
1 month ago
2 weeks ago