Alex ChenMotorcycle chain tools4 products
If you want the most intuitive, professional-grade precision, pick the BPA-RACING Slack Setter. For riders on a budget or those packing light for remote expeditions, the Motion Pro 08-0674 is the undisputed champion of portability and value.
Workshop pros and frequent riders
Weight-conscious adventure riders
Precision-obsessed DIY mechanics
The quick-fix weekend warrior
| Feature | BPA-RACING Slack Setter | Motion Pro SlackSetter Pro 57-8674 | Tru-Tension Chain Monkey | Motion Pro SlackSetter 08-0674 |
|---|---|---|---|---|
| Price | €54.95 | €49.90 | €29.99 | €25.61 |
| Ease of UseThe Motion Pro 08-0674 is incredibly intuitive for a quick check without breaking a sweat. | High, set and forget | High, dual scale | Medium, requires calibration | Very High, plug and play (winner) |
| PortabilityMotion Pro's blue setter is featherlight and disappears into even the smallest tool roll. | 216 grams | 100 grams (winner) | Not listed | Lightweight |
| CompatibilityBPA-RACING claims the widest range of fitment, though some performance bikes may vary. | Universal (winner) | Most road and dirt bikes | ATV and Motorcycles | Most road and dirt bikes |
Workshop pros and frequent riders
This tool brings industrial-level precision to your garage. It removes the guesswork that causes trailside mechanical meltdowns.
Weight-conscious adventure riders
A specialized tool that focuses on speed and portability. It is the perfect companion for long-distance trips where every gram counts.
Precision-obsessed DIY mechanics
This is a revolutionary take on tensioning that simplifies a traditionally annoying task. It turns a messy chore into a controlled procedure.
The quick-fix weekend warrior
The most straightforward tool in the lineup for a quick check. It is the best way to avoid using a ruler or guessing with your thumbs.
When you are miles from the nearest paved road, the last thing you want is a chain flapping like a loose fan belt. The BPA-RACING Slack Setter is the heavy hitter here, offering a high-tech approach to maintenance that makes it feel like you are back at the factory. It is built to last and provides that satisfying click of professional confirmation.
Conversely, both Motion Pro options are about survival. The SlackSetter Pro 57-8674 and the 08-0674 model are designed to be tossed into a pannier and forgotten until you need them. They favor speed over complexity, ensuring you can adjust your tension and get back to the ride before the sun sets.
Tru-Tension has a unique approach that shines for people who struggle with the feel of chain tension, but it does require that initial setup phase. If you are the type who hates complicated manuals, stick with the Motion Pro 08-0674. It is the purest 'measure, adjust, ride' tool in the pack.
For those who treat their bike like a temple, get the BPA-RACING Slack Setter. It is the most robust option for the home workshop. However, for the rider who wants a 'just in case' tool that works every time without taking up space, the Motion Pro 08-0674 is the ultimate value-for-money kit component.
The Chain Monkey is great if you need a guide, but the simplicity of the Motion Pro 08-0674 keeps it as our top pick for the average adventure enthusiast.
Prices on amazon.de as of October 25, 2026. Prices may change.
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